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<a name="aom_02_0001"></a><a name="aom_02_0001"></a>
<h1 class="topictitle1">View Management</h1>
<div id="body39451090"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_0003.html">Dashboard</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1117.html">Monitoring Metrics</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
</div>
</div>

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<h1 class="topictitle1">Viewing Alarms</h1>
<div id="body1534921092041"><p id="aom_02_0004__p812411178144">Alarms are the information reported when AOM or an external service such as Cloud Container Engine (CCE) is abnormal or may cause exceptions. Take measures to resolve faults. Otherwise, service exceptions may occur.</p>
<div class="section" id="aom_02_0004__section1926111381416"><h4 class="sectiontitle">Viewing Alarms</h4><ol id="aom_02_0004__ol8214652112313"><li id="aom_02_0004__li637913444571"><span>Log in to the management console.</span></li><li id="aom_02_0004__li975084955716"><span>Under <strong id="aom_02_0004__b168042619214921">Application</strong>, click <strong id="aom_02_0004__b147816196914921">Application Operations Management</strong>.</span></li><li id="aom_02_0004__li14229814184718"><span>In the navigation pane, choose <strong id="aom_02_0004__b5435670814921">Alarm Center</strong> &gt; <strong id="aom_02_0004__b115521198214921">Alarms</strong>.</span><p><div class="note" id="aom_02_0004__note1918716335019"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_0004__ul318715325011"><li id="aom_02_0004__li1918793135016">Alarms are displayed by time. The alarm generated at the latest time is displayed at the topmost of the alarm list.</li><li id="aom_02_0004__li21871632508">You can also click <span><img id="aom_02_0004__image205362166314921" src="en-us_image_0297078492.png"></span> on the right of the page to view the latest three alarms.</li></ul>
</div></div>
</p></li><li id="aom_02_0004__li13952173133419"><a name="aom_02_0004__li13952173133419"></a><a name="li13952173133419"></a><span>Set the time range or filter criteria.</span><p><ol type="a" id="aom_02_0004__ol1745611179813"><li id="aom_02_0004__li145613171989">Set the time range.<p id="aom_02_0004__p14059147395"><a name="aom_02_0004__li145613171989"></a><a name="li145613171989"></a>View the alarms generated within the time range. There are two methods to set a time range:</p>
<p id="aom_02_0004__p142140527235">Method 1: Use the predefined time label, such as <strong id="aom_02_0004__b47385016514921">Last 1 hour</strong>, <strong id="aom_02_0004__b112242967314921">Last 6 hours</strong>, or <strong id="aom_02_0004__b34703569014921">Last 1 day</strong>. You can select a time range as required.</p>
<p id="aom_02_0004__p32141252202310">Method 2: Specify the start time and end time to customize a time range. You can specify 30 days at most.</p>
</li><li id="aom_02_0004__li104561817187">Set filter criteria.<p id="aom_02_0004__p183764329490"><a name="aom_02_0004__li104561817187"></a><a name="li104561817187"></a>Enter an alarm status, name, or source, and click <strong id="aom_02_0004__b2658367414921">Search</strong>.</p>
<div class="note" id="aom_02_0004__note16139143764920"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_0004__ul830912446499"><li id="aom_02_0004__li1130913448491">You can click <strong id="aom_02_0004__b152003289114921">Reset</strong> to reset filter criteria.</li><li id="aom_02_0004__li11598517415">You can enter multiple alarm sources and separate them by using commas (,) to filter alarms.</li><li id="aom_02_0004__li930964411491">Alarm names and sources are case-sensitive.</li></ul>
</div></div>
</li></ol>
</p></li><li id="aom_02_0004__li18949175018919"><span>View the search result.</span><p><ul id="aom_02_0004__ul83192527105"><li id="aom_02_0004__li125233875018">In the bar graph, view the statistics of alarms that meet the filter criterion within the time range specified in <a href="#aom_02_0004__li13952173133419">4</a>.<div class="fignone" id="aom_02_0004__fig49873214199"><span class="figcap"><b>Figure 1 </b>Alarm statistics</span><br><span><img id="aom_02_0004__image79881323191" src="en-us_image_0297078493.png" height="95.69416500000001" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_0004__li7187198195119">In the alarm list, view the information about alarms that meet the filter criterion within the time range specified in <a href="#aom_02_0004__li13952173133419">4</a>.<p id="aom_02_0004__p1218714825114">Click <strong id="aom_02_0004__b36050371914921">View Details</strong> in the <strong id="aom_02_0004__b185806114921">Operation</strong> column to view alarm details.</p>
<div class="fignone" id="aom_02_0004__fig269717184186"><span class="figcap"><b>Figure 2 </b>Alarm list</span><br><span><img id="aom_02_0004__image5697201821813" src="en-us_image_0297078494.png" height="144.962419" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
</p></li><li id="aom_02_0004__li06081945172013"><span>Clear alarms.</span><p><p id="aom_02_0004__p10134166345">In the <strong id="aom_02_0004__b185820980414921">Operation</strong> column of the target alarm, click <strong id="aom_02_0004__b11820451514921">Clear</strong>.</p>
<p id="aom_02_0004__p1114175282011">In addition, AOM supports automatic clearance of alarms triggered by threshold rules. For example, you create a threshold rule. That is, if the CPU usage exceeds 85%, a threshold alarm will be generated. If the CPU usage is lower than 85%, the alarm will be cleared. In this case, you do not need to manually clear the alarm. When the CPU usage returns to normal, the threshold alarm will be automatically cleared. In addition, when the threshold rule is deleted, the threshold alarm will also be automatically cleared.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0044.html">Alarm Management</a></div>
</div>
</div>
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<a name="aom_02_0008"></a><a name="aom_02_0008"></a>
<h1 class="topictitle1">Host Monitoring</h1>
<div id="body1534930763573"><p id="aom_02_0008__en-us_topic_0201820731_p1119664285317">AOM monitors the resource usage and health status of hosts, common system devices such as disks and file systems of hosts, and service processes or instances running on hosts.</p>
<div class="note" id="aom_02_0008__note1254015148448"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_0008__p127962154520">The ICAgent reports resource information every ten minutes. The resource status changes are described as follows:</p>
<ul id="aom_02_0008__ul145201634184519"><li id="aom_02_0008__li352019342459">If the ICAgent on a host does not report resource information <strong id="aom_02_0008__b1662263481615">for three consecutive times</strong>, the system determines that the resource has been deleted. Therefore, the host status is displayed as <strong id="aom_02_0008__b362713345167">Deleted</strong> within 30 minutes after the host is stopped or the ICAgent is uninstalled.</li><li id="aom_02_0008__li1180938164613">When the ICAgent on a host reports resource information <strong id="aom_02_0008__b4187103114147">for one time</strong>, the system determines that the resource is restored. The host status is displayed as <strong id="aom_02_0008__b141871031121417">Normal</strong> ten minutes after the host is started or the ICAgent is reinstalled.</li></ul>
</div></div>
<div class="section" id="aom_02_0008__section36211948143011"><h4 class="sectiontitle">Precautions</h4><ul id="aom_02_0008__ul18462456143015"><li id="aom_02_0008__li11424185817307">A maximum of five tags can be added to a host, and each tag must be unique.</li><li id="aom_02_0008__li169874438385">The same tag can be added to different hosts.</li><li id="aom_02_0008__li16931451411">For hosts created on the CCE or ServiceStage console, you cannot select clusters or create aliases for them.</li><li id="aom_02_0008__li4971161713200">The host status can be <strong id="aom_02_0008__b02581657142413">Normal</strong>, <strong id="aom_02_0008__b0258155722412">Abnormal</strong>, <strong id="aom_02_0008__b1125925717249">Warning</strong>, <strong id="aom_02_0008__b52596579245">Silent</strong>, or <strong id="aom_02_0008__b2034917306253">Deleted</strong>. The running status of a host is displayed as <strong id="aom_02_0008__b76997332019735">Abnormal</strong> when the host is faulty due to network failures, and power off or shut down of the host, or when the host generates a threshold alarm. If resources are not running properly, follow the instructions in <a href="aom_02_1012.html">What Can I Do If Resources Are Not Running Properly?</a>.</li></ul>
</div>
<div class="section" id="aom_02_0008__section4984135633115"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_0008__ol8452632743"><li id="aom_02_0008__li2396186125916"><span>Log in to the management console.</span></li><li id="aom_02_0008__li81851115911"><span>Under <strong id="aom_02_0008__b0727114451510">Application</strong>, click <strong id="aom_02_0008__b14727044131514">Application Operations Management</strong>.</span></li><li id="aom_02_0008__li65335398"><span>In the navigation pane, choose <strong id="aom_02_0008__b11409184514159">Host Monitoring</strong> and perform the following operations as required:</span><p><ul id="aom_02_0008__ul174529321747"><li id="aom_02_0008__li20452232348"><strong id="aom_02_0008__b1011114621510">Adding an alias</strong><p id="aom_02_0008__p84521232441">If a host name is too complex to identify, you can add an alias, which makes it easy to identify a host as required.</p>
<p id="aom_02_0008__p15452203212410">In the host list, choose <strong id="aom_02_0008__b6936193161">More</strong> &gt; <strong id="aom_02_0008__b159363915162">Add Alias</strong> in the <strong id="aom_02_0008__b10936293160">Operation</strong> column of a desired host.</p>
</li><li id="aom_02_0008__li44521232743"><strong id="aom_02_0008__b69081123169">Adding a tag</strong><p id="aom_02_0008__p12452133210419">Tags are identifiers of hosts. You can manage hosts using tags. After a tag is added, you can quickly identify and select a host.</p>
<p id="aom_02_0008__p16453153212414">In the host list, click <strong id="aom_02_0008__b469091471616">Add tags</strong> in the <strong id="aom_02_0008__b769015147164">Operation</strong> column of the row that contains the target host. In the displayed dialog box, click <span><img id="aom_02_0008__image23601514151613" src="en-us_image_0297092397.png"></span>, enter a tag, and click <span><img id="aom_02_0008__image510915563175" src="en-us_image_0297092398.png"></span> and <strong id="aom_02_0008__b86911314131618">OK</strong>. After a tag is added, you can enter a tag keyword in the search box in the upper right corner of the page to search for a host. The <strong id="aom_02_0008__b16548131891616">Tags</strong> column of the host list is hidden by default. You can click <span><img id="aom_02_0008__image1979915168144" src="en-us_image_0297092399.png"></span> in the upper right corner and select or deselect <strong id="aom_02_0008__b1549141816163">Show tag</strong>.</p>
</li></ul>
</p></li><li id="aom_02_0008__li44538323415"><span>Set filter criteria to search for the host to be monitored and monitor resource usage and health status of the host.</span><p><div class="fignone" id="aom_02_0008__fig8803427141720"><span class="figcap"><b>Figure 1 </b>Monitoring the resource usage and health status of the desired host</span><br><span><img id="aom_02_0008__image2803827181714" src="en-us_image_0297092400.png" height="33.915" width="523.6875" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="aom_02_0008__li445310321418"><span>Click the host name to enter the <strong id="aom_02_0008__b113911920171614">Host Details</strong> page. In the instance list, monitor the resource usage and health status of the instances running on the host. Click the <strong id="aom_02_0008__b139118206166">View Monitor Graphs</strong> tab to monitor all the metrics of the host.</span><p><ul id="aom_02_0008__ul1177717441999"><li id="aom_02_0008__li6535321514"><strong id="aom_02_0008__b2407132131620">Creating a view template</strong><p id="aom_02_0008__p19535921019">AOM provides the default view template (<strong id="aom_02_0008__b467310223163">Host Template</strong>) that you can modify. You can also click the plus sign (+) in <span><img id="aom_02_0008__image109641941131213" src="en-us_image_0297092401.png"></span> to add you own template.</p>
</li><li id="aom_02_0008__li7535821216"><strong id="aom_02_0008__b9839182481613">Adding a metric graph</strong><p id="aom_02_0008__p145353213114">You can click <span><img id="aom_02_0008__image115351321915" src="en-us_image_0297092402.png"></span> to add a line graph or <span><img id="aom_02_0008__image1953582118" src="en-us_image_0297092403.png"></span> to add a digit graph to the view template. You can also delete, move, and copy metric graphs in the view template according to <a href="aom_02_0003.html">Dashboard</a>.</p>
</li><li id="aom_02_0008__li1535162010"><strong id="aom_02_0008__b116429992">Adding a view template to a dashboard</strong><p id="aom_02_0008__p1753510219112">On the host details page, choose <strong id="aom_02_0008__b833192026">More</strong> &gt; <strong id="aom_02_0008__b1525855500">Add To Dashboard</strong> in the upper right corner to add the view template to a dashboard for monitoring.</p>
</li></ul>
</p></li><li id="aom_02_0008__li174539321340"><span>Monitor common system devices such as GPUs and NICs of the host.</span><p><ul id="aom_02_0008__ul945317328414"><li id="aom_02_0008__li14453123217411">Click the <strong id="aom_02_0008__b638138038">GPUs</strong> tab to view the basic information about the GPUs of the host. Click a GPU to monitor its metrics on the <strong id="aom_02_0008__b372677727">View Monitor Graphs</strong> page.</li><li id="aom_02_0008__li7454132642">Click the <strong id="aom_02_0008__b2048510289">NIC</strong> tab to view the basic information about the NICs of the host. Click a NIC to monitor its metrics on the <strong id="aom_02_0008__b948075976">View Monitor Graphs</strong> page.</li><li id="aom_02_0008__li74541632842">Click the <strong id="aom_02_0008__b1736571023">Disks</strong> tab to view the basic information about the disks of the host. Click a disk to monitor its metrics on the <strong id="aom_02_0008__b1760416721">View Monitor Graphs</strong> page.</li><li id="aom_02_0008__li104542321047">Click the <strong id="aom_02_0008__b1578552913166">File System</strong> tab to view the basic information about the file system of the host. Click a disk file partition to monitor its metrics on the <strong id="aom_02_0008__b0790529101617">View Monitor Graphs</strong> page.</li></ul>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0048.html">Resource Monitoring</a></div>
</div>
</div>
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<h1 class="topictitle1">Searching for Logs</h1>
<div id="body1534921645538"><p id="aom_02_0009__p63443418">AOM enables you to quickly query logs, and use log source information and context to locate faults.</p>
<ol id="aom_02_0009__ol9143273"><li id="aom_02_0009__li72081113014"><span>Log in to the management console.</span></li><li id="aom_02_0009__li17547135207"><span>Under <strong id="aom_02_0009__b1112018163012">Application</strong>, click <strong id="aom_02_0009__b71211416506">Application Operations Management</strong>.</span></li><li id="aom_02_0009__li1714210407316"><span>In the navigation pane, choose <strong id="aom_02_0009__b486841710019">Log</strong> <strong id="aom_02_0009__b13782121118250">Management</strong> &gt; <strong id="aom_02_0009__b128681817109">Log Search</strong>.</span></li><li id="aom_02_0009__li21668983"><span>On the <strong id="aom_02_0009__b1222918323193">Log Search</strong> page, set filter criteria as prompted.</span><p><div class="note" id="aom_02_0009__note2045618441585"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ol type="a" id="aom_02_0009__ol788611114593"><li id="aom_02_0009__li178861411145920">You can search for logs by service, system, or host.<ul id="aom_02_0009__ul2634419013"><li id="aom_02_0009__li617802472717">For service logs, you can set filter criteria such as <strong id="aom_02_0009__b1078114914578">Cluster</strong>, <strong id="aom_02_0009__b9787164910575">Namespace</strong>, and <strong id="aom_02_0009__b20787249175714">Service</strong>. You can also click <strong id="aom_02_0009__b278719491570">Advanced Search</strong> and set filter criteria such as <strong id="aom_02_0009__b1178844917572">Instance</strong>, <strong id="aom_02_0009__b12788114935710">Host</strong>, and <strong id="aom_02_0009__b10788249195718">File Name</strong>, and choose whether to enable <strong id="aom_02_0009__b1278844985717">Hide System Service</strong>.</li><li id="aom_02_0009__li119186147">For system logs, you can set filter criteria such as <strong id="aom_02_0009__b122461026208">Cluster</strong> and <strong id="aom_02_0009__b52472026501">Host</strong>.</li><li id="aom_02_0009__li19841945540">For host logs, you can set filter criteria such as <strong id="aom_02_0009__b1966913271403">Cluster</strong> and <strong id="aom_02_0009__b64021613175714">IP Address</strong>.</li></ul>
</li><li id="aom_02_0009__li111841514115915">Enter a keyword in the search box. Rules are as follows:<ul id="aom_02_0009__ul1645684417588"><li id="aom_02_0009__li174561044175813">Enter a case-sensitive keyword.</li><li id="aom_02_0009__li1245624465814">Enter a keyword for exact search. A keyword refers to a word between two adjacent delimiters.</li><li id="aom_02_0009__li1245634417580">Enter a keyword containing an asterisk (*) or a question mark (?) for fuzzy search. For example, enter <strong id="aom_02_0009__b171891936907">ER?OR</strong>, <strong id="aom_02_0009__b819016367010">*ROR</strong>, or <strong id="aom_02_0009__b1019033610016">ER*R</strong>.</li><li id="aom_02_0009__li545674410585">Enter a phrase for exact search. For example, enter <strong id="aom_02_0009__b741518318017">Start to refresh</strong> or <strong id="aom_02_0009__b542018312004">Start-to-refresh</strong>. Note that hyphens (-) are <a href="aom_02_0082.html">delimiters</a>.</li><li id="aom_02_0009__li44560440587">Enter a keyword containing AND (&amp;&amp;) or OR (||) for search. For example, enter <strong id="aom_02_0009__b12248143414014">query logs&amp;&amp;error*</strong> or <strong id="aom_02_0009__b10248834704">query logs||error</strong>.</li><li id="aom_02_0009__li131754480910">If no log is found, you are advised to narrow down the search scope and add an asterisk (*) before and after the keyword for fuzzy match.</li></ul>
</li></ol>
</div></div>
</p></li><li id="aom_02_0009__li34212241"><a name="aom_02_0009__li34212241"></a><a name="li34212241"></a><span>View the search results of logs.</span><p><p id="aom_02_0009__p1777141917420">The search results are sorted based on the log collection time. The keywords in the search results are highlighted. </p>
<p id="aom_02_0009__p6815132484415">By default, the descending order is used. You can click <span><img id="aom_02_0009__image14198155613451" src="en-us_image_0297092404.png"></span> in the <strong id="aom_02_0009__b5302185911457">Time</strong> column to change the order. <span><img id="aom_02_0009__image201441423194619" src="en-us_image_0297092725.png"></span> indicates the ascending order by time (that is, the latest log is displayed at the end). <span><img id="aom_02_0009__image8732105174613" src="en-us_image_0297092726.png"></span> indicates the descending order by time (that is, the latest log is displayed at the top).</p>
<ol type="a" id="aom_02_0009__ol19728122"><li id="aom_02_0009__li43335374">Click <span><img id="aom_02_0009__image44761611173911" src="en-us_image_0227418531.png"></span> on the left of the log list to view details such as host IP address and source.</li><li id="aom_02_0009__li823995655615">AOM allows you to view the surrounding logs of a specified log by clicking <strong id="aom_02_0009__b756531192115">View Context</strong> in the <strong id="aom_02_0009__b957193117213">Operation</strong> column, facilitating fault locating. Therefore, you do not need to search for logs in raw files.<ul id="aom_02_0009__ul50321738"><li id="aom_02_0009__li50242460">In the <strong id="aom_02_0009__b24191230154415">Display Rows</strong> drop-down list, set the number of rows that display raw context data of the log.<div class="note" id="aom_02_0009__note49528960"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p class="text" id="aom_02_0009__p43107464">For example, select <strong id="aom_02_0009__b457322519454">200</strong> from the <strong id="aom_02_0009__b357312517452">Display Rows</strong> drop-down list.</p>
<ul id="aom_02_0009__ul52422860"><li id="aom_02_0009__li2043692">If there are more than or equal to 100 logs printed prior to a log and more than or equal to 99 logs printed following the log, the preceding 100 logs and following 99 logs are displayed as the context.</li><li id="aom_02_0009__li18393235">If there are fewer than 100 logs (for example, 90) printed prior to a log and fewer than 99 logs (for example, 80) printed following the log, the preceding 90 logs and following 80 logs are displayed as the context.</li></ul>
</div></div>
</li><li class="subitemlist" id="aom_02_0009__li38551552422">Click <strong id="aom_02_0009__b842352706164356">Export Current Page</strong> to export displayed raw context data of the log to a local PC.</li></ul>
</li></ol>
<div class="note" id="aom_02_0009__note54004927"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p class="text" id="aom_02_0009__p16282296">To ensure that tenant hosts and services run properly, some components (for example, kube-dns) provided by the system will run on the tenant hosts. The logs of these components are also queried during tenant log query.</p>
</div></div>
</p></li><li id="aom_02_0009__li10229194714111"><span>(Optional) Click <span><img id="aom_02_0009__image179806362010" src="en-us_image_0297092727.png"></span> on the right of the <strong id="aom_02_0009__b44171351224">Log Search</strong> page, select an export format, and export the search result to a local PC.</span><p><p id="aom_02_0009__p13742134820119">Logs are sorted according to the order set in <a href="#aom_02_0009__li34212241">5</a> and a maximum of 5000 logs can be exported. For example, when 6000 logs in the search result are sorted in the descending order, only the first 5000 logs can be exported.</p>
<p id="aom_02_0009__p3430230111313">Logs can be exported in CSV or TXT format. You can select a format as required. If you select the CSV format, detailed information (such as the log content, host IP address, and source) can be exported, as shown in <a href="#aom_02_0009__fig1785710409496">Figure 1</a>. Only log content will be exported when you select the TXT format (as shown in <a href="#aom_02_0009__fig9558111333018">Figure 2</a>). Each line indicates a log.</p>
<div class="fignone" id="aom_02_0009__fig1785710409496"><a name="aom_02_0009__fig1785710409496"></a><a name="fig1785710409496"></a><span class="figcap"><b>Figure 1 </b>Exporting logs in CSV format</span><br><span><img id="aom_02_0009__image17858540134914" src="en-us_image_0297092728.png" height="74.8125" width="523.6875" title="Click to enlarge" class="imgResize"></span></div>
<div class="fignone" id="aom_02_0009__fig9558111333018"><a name="aom_02_0009__fig9558111333018"></a><a name="fig9558111333018"></a><span class="figcap"><b>Figure 2 </b>Exporting logs in TXT format</span><br><span><img id="aom_02_0009__image7558413193019" src="en-us_image_0297092729.png" height="79.80000000000001" width="523.6875" title="Click to enlarge" class="imgResize"></span></div>
</p></li></ol>
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<h1 class="topictitle1">Configuring VM Log Collection Paths</h1>
<div id="body8662426"><p id="aom_02_0039__en-us_topic_0169698346_p9451651359">AOM can collect and display VM logs. VM refers to an Elastic Cloud Server (ECS) running Linux. Before collecting logs, configure a log collection path according to the following procedure.</p>
<div class="section" id="aom_02_0039__en-us_topic_0169698346_section188528174444"><h4 class="sectiontitle">Prerequisites</h4><p id="aom_02_0039__en-us_topic_0169698346_p1740907555">You have installed the ICAgent on a VM according to <a href="aom_02_2012.html">Installing the ICAgent</a>. </p>
</div>
<div class="section" id="aom_02_0039__en-us_topic_0169698346_section0650147205514"><h4 class="sectiontitle">Precautions</h4><ul id="aom_02_0039__en-us_topic_0169698346_ul127115695413"><li id="aom_02_0039__en-us_topic_0169698346_li1434612187534">The ICAgent collects <strong id="aom_02_0039__en-us_topic_0169698346_b47261142131612">*.log</strong>, <strong id="aom_02_0039__en-us_topic_0169698346_b75811046181615">*.trace</strong>, and <strong id="aom_02_0039__en-us_topic_0169698346_b17465453191615">*.out</strong> log files only. For example, <strong id="aom_02_0039__en-us_topic_0169698346_b1062672020410">/opt/yilu/work/xig/debug_cpu.log</strong>.</li><li id="aom_02_0039__en-us_topic_0169698346_li24741354175011">Ensure that an absolute path of the log directory or file is configured and the path exists. For example, <strong id="aom_02_0039__en-us_topic_0169698346_b108911222302">/opt/yilu/work/xig</strong> or <strong id="aom_02_0039__en-us_topic_0169698346_b1461816914303">/opt/yilu/work/xig/debug_cpu.log</strong>.</li><li id="aom_02_0039__en-us_topic_0169698346_li8476854155018">The ICAgent does not collect log files from subdirectories. For example, the ICAgent does not collect log files from the <strong id="aom_02_0039__en-us_topic_0169698346_b373923710379">/opt/yilu/work/xig/debug</strong> subdirectory of <strong id="aom_02_0039__en-us_topic_0169698346_b1773953753714">/opt/yilu/work/xig</strong>.</li><li id="aom_02_0039__en-us_topic_0169698346_li166817595">A maximum of 20 log collection paths can be configured for a VM.</li><li id="aom_02_0039__li3336184010111">For ECSs in the same resource set, only the latest log collection configuration in the system will be used. AOM and LTS log collection configurations cannot take effect at the same time. For example, if you configure log collection paths in AOM for ECSs, the previous LTS collection configurations of all ECSs under the resource set become invalid.</li></ul>
</div>
<div class="section" id="aom_02_0039__en-us_topic_0169698346_section18187161014116"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_0039__en-us_topic_0169698346_ol18682144114402"><li id="aom_02_0039__li177555413590"><span>Log in to the management console.</span></li><li id="aom_02_0039__li113591446145915"><span>Under <strong id="aom_02_0039__b9287666603453">Application</strong>, click <strong id="aom_02_0039__b15099776253453">Application Operations Management</strong>.</span></li><li id="aom_02_0039__li9899115915349"><span>In the navigation pane, choose <strong id="aom_02_0039__b20080378173453">Log Management</strong> &gt; <strong id="aom_02_0039__b17803103173453">Path Configuration</strong>.</span></li><li id="aom_02_0039__en-us_topic_0169698346_li191014817485"><span>In the VM list, click <strong id="aom_02_0039__en-us_topic_0169698346_b11893103115376">Configure</strong> in the <strong id="aom_02_0039__en-us_topic_0169698346_b18894123113715">Operation</strong> column to configure one or more log collection paths for a VM.</span><p><div class="p" id="aom_02_0039__en-us_topic_0169698346_p6748151101613">You can use the paths automatically identified by the ICAgent or manually configure paths.<ul id="aom_02_0039__en-us_topic_0169698346_ul6557828164212"><li id="aom_02_0039__en-us_topic_0169698346_li1617516410478"><strong id="aom_02_0039__en-us_topic_0169698346_b594112620198">Using the paths automatically identified by the ICAgent</strong><p id="aom_02_0039__en-us_topic_0169698346_p141641868472">The ICAgent automatically scans the log files of your VM, and displays all the log files that have file handles and are suffixed with <strong id="aom_02_0039__en-us_topic_0169698346_b14828476182">.log</strong>, <strong id="aom_02_0039__en-us_topic_0169698346_b3642451181813">.trace</strong>, or <strong id="aom_02_0039__en-us_topic_0169698346_b47275514188">.out</strong> on the page.</p>
<p id="aom_02_0039__en-us_topic_0169698346_p31061914182013">You can click <span><img id="aom_02_0039__en-us_topic_0169698346_image862314124916" src="en-us_image_0227418562.png"></span> in the <strong id="aom_02_0039__b12773175422214">Operation</strong> column to add a path automatically identified by the ICAgent to the log collection path list. To configure multiple paths, repeat this operation.</p>
<div class="fignone" id="aom_02_0039__en-us_topic_0169698346_fig17711201993711"><span class="figcap"><b>Figure 1 </b>Using the paths automatically identified by the ICAgent</span><br><span><img id="aom_02_0039__image1578271218109" src="en-us_image_0297092742.png" width="492.1" height="239.09529700000002" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_0039__en-us_topic_0169698346_li13686152014313"><strong id="aom_02_0039__en-us_topic_0169698346_b321481144016">Manually configuring log collection paths</strong><p id="aom_02_0039__en-us_topic_0169698346_p470410123613">If the paths automatically identified by the ICAgent cannot meet your requirements, enter a log directory or file (for example, <strong id="aom_02_0039__b14971036183417">/opt/yilu/work/xig/debug_cpu.log</strong>) in the <strong id="aom_02_0039__b1866121944916">Log Collection Path</strong> text box, and then click <span><img id="aom_02_0039__en-us_topic_0169698346_image11989123315500" src="en-us_image_0227418562.png"></span> to add the path to the log collection path list. To configure multiple paths, repeat this operation.</p>
<div class="fignone" id="aom_02_0039__en-us_topic_0169698346_fig729151074218"><span class="figcap"><b>Figure 2 </b>Manually configuring log collection paths</span><br><span><img id="aom_02_0039__image17469115831016" src="en-us_image_0297092743.png" width="492.1" height="259.197715" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
</div>
</p></li><li id="aom_02_0039__li63355523816"><span>Click <strong id="aom_02_0039__b7433937443453">OK</strong>.</span><p><p id="aom_02_0039__p153335520384">After a log collection path is configured, the ICAgent collects log files from the configured path. The collection takes about 1 minute. After log files are collected, choose <strong id="aom_02_0039__b11147490883453">Log Management</strong> &gt; <strong id="aom_02_0039__b12725021383453">Log Files</strong> in the navigation pane and then click the <strong id="aom_02_0039__b11212954863453">Host</strong> tab to view the collected log files.</p>
</p></li></ol>
</div>
</div>
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<h1 class="topictitle1">Alarm Management</h1>
<div id="body1534837896092"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_0004.html">Viewing Alarms</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0045.html">Viewing Events</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1035.html">Creating Threshold Rules</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
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<h1 class="topictitle1">Viewing Events</h1>
<div id="body1534837896083"><p id="aom_02_0045__p6719547131313">Generally, events carry important information, informing you of the changes of AOM itself or an external service such as Cloud Container Engine (CCE). Such changes do not necessarily cause exceptions. Events do not need to be handled.</p>
<div class="section" id="aom_02_0045__section141431552111217"><h4 class="sectiontitle">Viewing Events</h4><ol id="aom_02_0045__ol1259111282511"><li id="aom_02_0045__li98804318588"><span>Log in to the management console.</span></li><li id="aom_02_0045__li18757610135813"><span>Under <strong id="aom_02_0045__b21220168781507">Application</strong>, click <strong id="aom_02_0045__b20276010491507">Application Operations Management</strong>.</span></li><li id="aom_02_0045__li15516635"><span>In the navigation pane, choose <strong id="aom_02_0045__b16554396501507">Alarm Center</strong> &gt; <strong id="aom_02_0045__b1159448161507">Events</strong>.</span><p><p id="aom_02_0045__p14850111116516">Events are displayed by time. The latest event is displayed at the topmost of the event list.</p>
</p></li><li id="aom_02_0045__li14478446171411"><a name="aom_02_0045__li14478446171411"></a><a name="li14478446171411"></a><span>Set the time range or filter criteria.</span><p><ol type="a" id="aom_02_0045__ol115912252511"><li id="aom_02_0045__li143667472115">Set the time range.<p id="aom_02_0045__p135071048141113"><a name="aom_02_0045__li143667472115"></a><a name="li143667472115"></a>View the events generated within the time range. There are two methods to set a time range:</p>
<p id="aom_02_0045__p1059118219257">Method 1: Use the predefined time label, such as <strong id="aom_02_0045__b18333245081507">Last 1 hour</strong>, <strong id="aom_02_0045__b15921550811507">Last 6 hours</strong>, or <strong id="aom_02_0045__b7422520391507">Last 1 day</strong>. You can select a time range as required.</p>
<p id="aom_02_0045__p45912023258">Method 2: Specify the start time and end time to customize a time range. You can specify 30 days at most.</p>
</li><li id="aom_02_0045__li2625253181112">Set filter criteria.<p id="aom_02_0045__p166875913494"><a name="aom_02_0045__li2625253181112"></a><a name="li2625253181112"></a>Enter an event name and source, and click <strong id="aom_02_0045__b18347704341507">Search</strong>.</p>
<div class="note" id="aom_02_0045__note144411024125011"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_0045__ul9934730115010"><li id="aom_02_0045__li159344303508">You can click <strong id="aom_02_0045__b12791111811507">Reset</strong> to reset filter criteria.</li><li id="aom_02_0045__li04953238406">You can enter multiple event sources and separate them by using commas (,) to filter events.</li><li id="aom_02_0045__li99341730125012">Event names and sources are case-sensitive.</li></ul>
</div></div>
</li></ol>
</p></li><li id="aom_02_0045__li443145021115"><span>View the search result.</span><p><ul id="aom_02_0045__ul83192527105"><li id="aom_02_0045__li78021354131018">In the bar graph, view the statistics of events that meet the filter criterion within the time range specified in <a href="#aom_02_0045__li14478446171411">4</a>.<div class="fignone" id="aom_02_0045__fig13813133661910"><span class="figcap"><b>Figure 1 </b>Event statistics</span><br><span><img id="aom_02_0045__image68131136131916" src="en-us_image_0297078495.png" height="95.69416500000001" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_0045__li889926161114">In the event list, view the information about events that meet the filter criterion within the time range specified in <a href="#aom_02_0045__li14478446171411">4</a>.<div class="fignone" id="aom_02_0045__fig949703317171"><span class="figcap"><b>Figure 2 </b>Event list</span><br><span><img id="aom_02_0045__image13498193311717" src="en-us_image_0297078496.png" height="138.330108" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
</p></li></ol>
</div>
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<h1 class="topictitle1">Resource Monitoring</h1>
<div id="body1534837896093"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_0008.html">Host Monitoring</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_2007.html">Monitoring Workloads</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1030.html">Monitoring Services</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
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<h1 class="topictitle1">Log Management</h1>
<div id="body1534920276437"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_0009.html">Searching for Logs</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0010.html">Viewing Log Files</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0039.html">Configuring VM Log Collection Paths</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0079.html">Adding a Log Bucket</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0083.html">Viewing Bucket Logs</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
</div>
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<h1 class="topictitle1">Configuration Management</h1>
<div id="body1534926047331"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_2011.html">ICAgent Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0087.html">Log Configuration</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
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<h1 class="topictitle1">Adding a Log Bucket</h1>
<div id="body8662426"><p id="aom_02_0079__en-us_topic_0175844843_p81394353156">A log bucket is a logical group of log files. Ensure that a log bucket has been created before you <a href="aom_02_0083.html">view bucket logs</a>.</p>
<div class="section" id="aom_02_0079__en-us_topic_0175844843_section813313541518"><h4 class="sectiontitle">Precautions</h4><ul id="aom_02_0079__en-us_topic_0175844843_ul1261150101615"><li id="aom_02_0079__en-us_topic_0175844843_li122619016168">A maximum of 500 log files can be added to each log bucket.</li><li id="aom_02_0079__en-us_topic_0175844843_li79031047113320">A log bucket only stores the log files of the same cluster.</li></ul>
</div>
<div class="section" id="aom_02_0079__en-us_topic_0175844843_section198301842185318"><h4 class="sectiontitle">Adding a Log Bucket</h4><ol id="aom_02_0079__en-us_topic_0175844843_ol14180459537"><li id="aom_02_0079__en-us_topic_0175844843_li769314161005"><span>Log in to the management console.</span></li><li id="aom_02_0079__en-us_topic_0175844843_li1417992119020"><span>Under <strong id="aom_02_0079__en-us_topic_0175844843_b617212281716">Application</strong>, click <strong id="aom_02_0079__en-us_topic_0175844843_b217362818717">Application Operations Management</strong>.</span></li><li id="aom_02_0079__en-us_topic_0175844843_li2690421654"><span>In the navigation pane, choose <strong id="aom_02_0079__b623614713121">Log</strong> <strong id="aom_02_0079__b436121610213">Management</strong> &gt; <strong id="aom_02_0079__b20397732127">Log Buckets</strong>.</span></li><li id="aom_02_0079__en-us_topic_0175844843_li1431232620278"><span>Click the <strong id="aom_02_0079__en-us_topic_0175844843_b4303121511215">Bucket List</strong> tab and then click <strong id="aom_02_0079__en-us_topic_0175844843_b15304415131215">Add Log Bucket</strong>. On the displayed page, enter a log bucket name and description, add a log file, and click <strong id="aom_02_0079__en-us_topic_0175844843_b130531591214">OK</strong>, as shown in the following figure.</span><p><div class="fignone" id="aom_02_0079__en-us_topic_0175844843_fig16561854132311"><span class="figcap"><b>Figure 1 </b>Adding a log bucket</span><br><span><img id="aom_02_0079__en-us_topic_0175844843_image155625418234" src="en-us_image_0297610957.png" height="339.15000000000003" width="523.6875" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_0079__p548013414339"></p>
</p></li></ol>
</div>
<div class="section" id="aom_02_0079__en-us_topic_0175844843_section691615031014"><h4 class="sectiontitle">More Operations</h4><p id="aom_02_0079__en-us_topic_0175844843_p5426253122516">After adding a log bucket, you can also perform the operations described in <a href="#aom_02_0079__en-us_topic_0175844843_table14918185010104">Table 1</a>.</p>
<div class="tablenoborder"><a name="aom_02_0079__en-us_topic_0175844843_table14918185010104"></a><a name="en-us_topic_0175844843_table14918185010104"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_0079__en-us_topic_0175844843_table14918185010104" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Related operations</caption><thead align="left"><tr id="aom_02_0079__en-us_topic_0175844843_row17920135010100"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.3.2.3.1.1"><p id="aom_02_0079__en-us_topic_0175844843_p99204504109">Operation</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.4.3.2.3.1.2"><p id="aom_02_0079__en-us_topic_0175844843_p592245013103">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_0079__en-us_topic_0175844843_row6612162320287"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.3.1.1 "><p id="aom_02_0079__en-us_topic_0175844843_p1538452223719">View bucket logs</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.2.3.1.2 "><p id="aom_02_0079__en-us_topic_0175844843_p13842225375">Click a log bucket to view logs.</p>
</td>
</tr>
<tr id="aom_02_0079__en-us_topic_0175844843_row167221335112717"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.3.1.1 "><p id="aom_02_0079__en-us_topic_0175844843_p205831436115916">Modify a log bucket</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.2.3.1.2 "><p id="aom_02_0079__en-us_topic_0175844843_p152705185327">Click <strong id="aom_02_0079__en-us_topic_0175844843_b842352706173736">Modify</strong> in the <strong id="aom_02_0079__en-us_topic_0175844843_b842352706164946">Operation</strong> column.</p>
</td>
</tr>
<tr id="aom_02_0079__en-us_topic_0175844843_row127911150285"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.3.1.1 "><p id="aom_02_0079__en-us_topic_0175844843_p29251506107">Delete a log bucket</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.2.3.1.2 "><p id="aom_02_0079__en-us_topic_0175844843_p9632191820448">Click <strong id="aom_02_0079__en-us_topic_0175844843_b1036010464111252">Delete</strong> in the <strong id="aom_02_0079__en-us_topic_0175844843_b84235270616566">Operation</strong> column.</p>
<p id="aom_02_0079__en-us_topic_0175844843_p1626315238326">Deleting a log bucket will not delete log files in it.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0054.html">Log Management</a></div>
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<h1 class="topictitle1">Viewing Bucket Logs</h1>
<div id="body8662426"><p id="aom_02_0083__en-us_topic_0145753481_p4479854181913">AOM supports fine-grained log query. It enables you to view logs by bucket to obtain key service data and quickly locate problems.</p>
<div class="section" id="aom_02_0083__en-us_topic_0145753481_section31941717191818"><h4 class="sectiontitle">Precautions</h4><ul id="aom_02_0083__en-us_topic_0145753481_ul293217572521"><li id="aom_02_0083__en-us_topic_0145753481_li1193210575521">Ensure that you have added at least one log bucket according to <a href="aom_02_0079.html">Adding a Log Bucket</a> before viewing bucket logs. Otherwise, bucket logs cannot be viewed.</li><li id="aom_02_0083__en-us_topic_0145753481_li14932957175216">You can only view bucket logs generated in the last seven days.</li></ul>
</div>
<div class="section" id="aom_02_0083__en-us_topic_0145753481_section716253314187"><h4 class="sectiontitle">Viewing Bucket Logs</h4><ol id="aom_02_0083__en-us_topic_0145753481_ol14180459537"><li id="aom_02_0083__en-us_topic_0145753481_li744422215111"><span>Log in to the management console.</span></li><li id="aom_02_0083__en-us_topic_0145753481_li47839271812"><span>Under <strong id="aom_02_0083__en-us_topic_0145753481_b18745145914717">Application</strong>, click <strong id="aom_02_0083__en-us_topic_0145753481_b167463591871">Application Operations Management</strong>.</span></li><li id="aom_02_0083__en-us_topic_0145753481_li11621750152614"><span>In the navigation pane, choose <strong id="aom_02_0083__en-us_topic_0145753481_b12506134113435">Log</strong> <strong id="aom_02_0083__b147433249">Management</strong> &gt; <strong id="aom_02_0083__en-us_topic_0145753481_b3519941154316">Log Buckets</strong>. Then, click the <strong id="aom_02_0083__en-us_topic_0145753481_b152094112430">Bucket Log</strong> tab and view bucket logs.</span></li><li id="aom_02_0083__li13990166371"><a name="aom_02_0083__li13990166371"></a><a name="li13990166371"></a><span>Set filter criteria.</span><p><ul id="aom_02_0083__ul17786440121116"><li id="aom_02_0083__li0786140111115"><strong id="aom_02_0083__b1356971419393">Selecting a log bucket</strong>: Select a target log bucket from the drop-down list in the upper left corner.</li><li id="aom_02_0083__li10786240111111"><strong id="aom_02_0083__b1126171519394">Setting a time range</strong>: In the drop-down list in the upper right corner, select a relative time range, such as <strong id="aom_02_0083__b826214151397">Last 30 minutes</strong>, <strong id="aom_02_0083__b1726261563919">Last 1 hour</strong>, or <strong id="aom_02_0083__b20262171523919">Last 6 hours</strong>, or set an absolute time range by specifying the start time and end time.</li></ul>
</p></li><li id="aom_02_0083__en-us_topic_0145753481_li782019297139"><span>View the search result.</span><p><ul id="aom_02_0083__en-us_topic_0145753481_ul351311212584"><li id="aom_02_0083__en-us_topic_0145753481_li1613845944611"><strong id="aom_02_0083__en-us_topic_0145753481_b131316274427">Viewing statistics in a bar chart</strong><p id="aom_02_0083__en-us_topic_0145753481_p6969197104716">The bar chart shows the number of logs that meet the filter criteria set in step <a href="#aom_02_0083__li13990166371">4</a> at different time points. The horizontal axis represents the time and is divided into 30 identical rectangular blocks. The time of each rectangle block is calculated by dividing the selected time range by 30. For example, if the time range is 30 minutes, the time of each rectangle block is 1 minute. If the time range is 60 minutes, the time of each rectangle block is 2 minutes. The vertical axis represents the number of logs that meet filter criteria.</p>
<div class="fignone" id="aom_02_0083__en-us_topic_0145753481_fig1557710594816"><span class="figcap"><b>Figure 1 </b>Viewing statistics in a bar chart</span><br><span><img id="aom_02_0083__en-us_topic_0145753481_image1657818534817" src="en-us_image_0297616583.png" height="97.775349" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_0083__en-us_topic_0145753481_p15486058164018">When you hover the mouse pointer over a rectangle block, the time range (including the start time and end time) and the number of logs that meet filter criteria are displayed. When you click a rectangle block, the logs of the rectangle block are displayed in the log list. To deselect the block, click <span><img id="aom_02_0083__en-us_topic_0145753481_image223744121620" src="en-us_image_0297616584.png"></span> next to the search box.</p>
</li><li id="aom_02_0083__en-us_topic_0145753481_li1429583577"><strong id="aom_02_0083__en-us_topic_0145753481_b165631146368">Viewing logs in a log list</strong><p id="aom_02_0083__en-us_topic_0145753481_p4204410135712">The log list displays the details of the logs that meet the filter criteria set in <a href="#aom_02_0083__li13990166371">4</a>.</p>
<div class="fignone" id="aom_02_0083__en-us_topic_0145753481_fig199961429194910"><span class="figcap"><b>Figure 2 </b>Viewing logs in a log list</span><br><span><img id="aom_02_0083__en-us_topic_0145753481_image179971298496" src="en-us_image_0297616606.png" height="158.528951" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
<div class="p" id="aom_02_0083__en-us_topic_0145753481_p2660147162715">You can also perform the following operations:<ul id="aom_02_0083__en-us_topic_0145753481_ul188781459125614"><li id="aom_02_0083__en-us_topic_0145753481_li15590651135610">Click <span><img id="aom_02_0083__en-us_topic_0145753481_image570835115814" src="en-us_image_0297616607.png" width="15.96" height="10.257226000000001" title="Click to enlarge" class="imgResize"></span> to view the details such as the host IP address and source of a specified log.</li><li id="aom_02_0083__en-us_topic_0145753481_li35426479517">Sort search results: Logs are sorted based on the collection time in descending order by default. You can click <span><img id="aom_02_0083__en-us_topic_0145753481_image0122161318296" src="en-us_image_0297616608.png"></span> in the <strong id="aom_02_0083__b126465018168">Collection Time</strong> column to change the order. When you click the black triangle icon <span><img id="aom_02_0083__en-us_topic_0145753481_image1236510993017" src="en-us_image_0297616609.png"></span> to sort logs by time in ascending order, the latest log is displayed at the end. When you click the black triangle icon <span><img id="aom_02_0083__en-us_topic_0145753481_image0223156193114" src="en-us_image_0297616611.png"></span> to sort logs by time in descending order, the latest log is displayed at the top.</li><li id="aom_02_0083__en-us_topic_0145753481_li823995655615">View the context of a specified log: AOM allows you to view the previous or next logs of a specified log by clicking <strong id="aom_02_0083__en-us_topic_0145753481_b8815113516375">View Context</strong> in the <strong id="aom_02_0083__en-us_topic_0145753481_b19524640173719">Operation</strong> column, facilitating fault locating. Therefore, you do not need to search for logs in raw files.<div class="fignone" id="aom_02_0083__en-us_topic_0145753481_fig688211249527"><span class="figcap"><b>Figure 3 </b>Viewing the log context</span><br><span><img id="aom_02_0083__en-us_topic_0145753481_image14883624115217" src="en-us_image_0297616613.png" height="244.624107" width="469.49" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
</div>
</li></ul>
</p></li></ol>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0054.html">Log Management</a></div>
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<h1 class="topictitle1">Log Configuration</h1>
<div id="body8662426"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_0082.html">Configuring Delimiters</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0068.html">Configuration Management</a></div>
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<h1 class="topictitle1">What Is the Relationship Between the Time Range and Statistical Cycle?</h1>
<div id="body1554884975234"><p id="aom_02_1002__p1943819234322">In AOM, a maximum of 1440 data points can be returned for a single metric query. The relationship between the time range and statistical cycle is as follows:</p>
<p id="aom_02_1002__p0125525133212">Maximum time range = Statistical cycle x 1440</p>
<p id="aom_02_1002__p72001613125514">If you select a time range shorter than or equal to the maximum time range, all the statistical cycles that meet the preceding formula can be selected. For example, if you want to query metrics in the last hour, the available statistical cycles are 1 minute and 5 minutes.</p>
<p id="aom_02_1002__p86871546566">For a <a href="aom_02_0003.html">dashboard</a>, the relationship between the time range and statistical cycle is shown in the following table.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1002__table2206532177" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Relationship between the time range and statistical cycle</caption><thead align="left"><tr id="aom_02_1002__row8210737172"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.2.3.1.1"><p id="aom_02_1002__p142102331714">Time Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.5.2.3.1.2"><p id="aom_02_1002__p82114314177">Statistical Cycle</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1002__row122115317171"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p121213312177">Last 1 hour</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.2.3.1.2 "><p id="aom_02_1002__p142121736170">1 minute or 5 minutes</p>
</td>
</tr>
<tr id="aom_02_1002__row52121231173"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p152131936173">Last 6 hours</p>
</td>
<td class="cellrowborder" rowspan="2" valign="top" width="80%" headers="mcps1.3.5.2.3.1.2 "><p id="aom_02_1002__p72135311712">1 minute, 5 minutes, or 1 hour</p>
</td>
</tr>
<tr id="aom_02_1002__row32138310177"><td class="cellrowborder" valign="top" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p13213133191715">Last 1 day</p>
</td>
</tr>
<tr id="aom_02_1002__row62151532171"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p421612319179">Last 1 week</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.2.3.1.2 "><p id="aom_02_1002__p22163310176">1 hour</p>
</td>
</tr>
<tr id="aom_02_1002__row15216139178"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p8218143111715">Last 15 days</p>
</td>
<td class="cellrowborder" rowspan="2" valign="top" width="80%" headers="mcps1.3.5.2.3.1.2 "><p id="aom_02_1002__p1221923181712">1 hour</p>
</td>
</tr>
<tr id="aom_02_1002__row15219339173"><td class="cellrowborder" valign="top" headers="mcps1.3.5.2.3.1.1 "><p id="aom_02_1002__p321943181718">Last 30 days</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_1101.html">FAQs</a></div>
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<h1 class="topictitle1">Introduction</h1>
<div id="body1558594630495"><p id="aom_02_1007__en-us_topic_0093966649_p7921891249">Application Operations Management (AOM) is a one-stop, multi-dimensional O&amp;M management platform for cloud applications. It monitors applications and related cloud resources in real time, collects and associates resource metrics, logs, and events to analyze application health status, and provides flexible alarm reporting and data visualization, helping you detect faults in a timely manner and monitor the running status of applications, resources, and services in real time.</p>
<p id="aom_02_1007__ab90f5b1e730440e59c63687e35bda5ae">Specifically, AOM comprehensively monitors and uniformly manages cloud servers, storage devices, networks, web containers, and applications hosted in Docker and Kubernetes, effectively preventing problems, facilitating fault locating, and reducing O&amp;M costs. In addition, AOM provides unified APIs for interconnecting self-developed monitoring or reporting systems. Unlike traditional monitoring systems, AOM monitors services by applications, meeting your requirements for high efficiency and fast iteration. It provides effective IT support for your services, and protects and optimizes your IT assets, enabling you to achieve strategic goals.</p>
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<h1 class="topictitle1">Related Services</h1>
<div id="body8662426"><p id="aom_02_1010__en-us_topic_0149096738_p64523483618">AOM supports services such as Simple Message Notification (SMN), Cloud Trace Service (CTS), and Cloud Container Engine (CCE). You can use them after subscription. For example, after you subscribe to SMN, threshold rule status changes of AOM can be sent to related personnel by email or Short Message Service (SMS) message.</p>
<div class="section" id="aom_02_1010__en-us_topic_0149096738_section7695111288"><h4 class="sectiontitle">SMN</h4><p id="aom_02_1010__en-us_topic_0149096738_p153195151585">SMN can push notifications based on your requirements, and end users can receive notifications by SMS message, email, or application. You can also integrate application functions through SMN to reduce system complexity.</p>
<p id="aom_02_1010__en-us_topic_0149096738_p173631545114120">AOM uses the message transmission mechanism provided by SMN. When it is inconvenient for you to query threshold rule status changes in time through AOM, SMN can send the changes to you by email or SMS message in a timely manner. In this way, you can obtain information such as resource running status in real time and take necessary measures to avoid service loss.</p>
</div>
<div class="section" id="aom_02_1010__en-us_topic_0149096738_section11765125392914"><h4 class="sectiontitle">CTS</h4><p id="aom_02_1010__en-us_topic_0149096738_p757853412811">CTS records operations on cloud resources in your account. You can perform security analysis, track resource changes, conduct compliance audits, and locate faults based on operation records. To store operation records for a longer time, you can subscribe to Object Storage Service (OBS) and synchronize operation records to OBS in real time.</p>
<p id="aom_02_1010__en-us_topic_0149096738_p21297118520">With CTS, you can record operations associated with AOM for later querying, auditing, and backtracking.</p>
</div>
<div class="section" id="aom_02_1010__en-us_topic_0149096738_section86091610165212"><h4 class="sectiontitle">CCE</h4><p id="aom_02_1010__en-us_topic_0149096738_p17841175815215">CCE provides high-performance and scalable container service, enabling you to build reliable container clusters based on cloud servers. It integrates network and storage capabilities, and is compatible with Kubernetes and Docker container ecosystems. CCE enables you to create and manage diverse container workloads easily. It also provides efficient O&amp;M capabilities, such as self-healing of container faults, collection of monitoring logs, and auto scaling.</p>
<p id="aom_02_1010__en-us_topic_0149096738_p17936195613278">You can use AOM to monitor applications deployed on CCE.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
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<h1 class="topictitle1">Change History</h1>
<div id="body8662426">
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1011__en-us_topic_0146041041_table516213421524" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Change history</caption><thead align="left"><tr id="aom_02_1011__en-us_topic_0146041041_row1916694216521"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.1.2.3.1.1"><p id="aom_02_1011__en-us_topic_0146041041_p17853820191414">Date</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.1.2.3.1.2"><p id="aom_02_1011__en-us_topic_0146041041_p128555201149">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1011__row1146322565114"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.3.1.1 "><p id="aom_02_1011__p163364302518">2022-09-29</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.1.2.3.1.2 "><p id="aom_02_1011__p1933653075119">Updated the document based on UAT comments:</p>
<ul id="aom_02_1011__ul062618127579"><li id="aom_02_1011__li1662611215714">Updated the screenshots in <a href="aom_02_0083.html">Viewing Bucket Logs</a>.</li><li id="aom_02_1011__li1576861415575">Updated the screenshots in <a href="aom_02_1035.html">Creating Threshold Rules</a>.</li></ul>
</td>
</tr>
<tr id="aom_02_1011__row13660115064615"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.3.1.1 "><p id="aom_02_1011__p1866020506464">2020-12-31</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.1.2.3.1.2 "><p id="aom_02_1011__p1466075024617">This issue is the first official release.</p>
</td>
</tr>
</tbody>
</table>
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<h1 class="topictitle1">What Can I Do If Resources Are Not Running Properly?</h1>
<div id="body1558516016305"><p id="aom_02_1012__p99441329125016">Resource statuses include <strong id="aom_02_1012__b13580171175716">Normal</strong>, <strong id="aom_02_1012__b17581101145710">Warning</strong>, <strong id="aom_02_1012__b15581311105718">Abnormal</strong>, <strong id="aom_02_1012__b33523911276">Deleted</strong>, and <strong id="aom_02_1012__b9581411175713">Silent</strong>. <strong id="aom_02_1012__b489711218573">Warning</strong>, <strong id="aom_02_1012__b1289861235711">Abnormal</strong>, and <strong id="aom_02_1012__b6898512145716">Silent</strong> indicate improper resource running. Analyze and rectify faults according to the following instructions.</p>
<div class="section" id="aom_02_1012__section6645115120324"><h4 class="sectiontitle">Warning</h4><p id="aom_02_1012__p13608324134112">If a minor alarm or warning exists, the resource status is <strong id="aom_02_1012__b1586357447">Warning</strong>.</p>
<p id="aom_02_1012__p15471165511327">Suggestion: Handle the alarm based on alarm details.</p>
</div>
<div class="section" id="aom_02_1012__section1675634312328"><h4 class="sectiontitle">Abnormal</h4><p id="aom_02_1012__p15206164713216">If a critical or major alarm exists, the resource status is <strong id="aom_02_1012__b570819402061">Abnormal</strong>.</p>
<p id="aom_02_1012__p166651614161417">Suggestion: Handle the alarm based on alarm details.</p>
</div>
<div class="section" id="aom_02_1012__section1170243833019"><h4 class="sectiontitle">Silent</h4><p id="aom_02_1012__p45921815153113">If the ICAgent fails to collect resource metrics, the resource status is <strong id="aom_02_1012__b34221537274">Silent</strong>. The causes include but are not limited to:</p>
<ul id="aom_02_1012__ul6574236281"><li id="aom_02_1012__li757443614812"><strong id="aom_02_1012__b106685213819">Cause 1: The ICAgent is abnormal.</strong><p id="aom_02_1012__p15870925123616">Suggestion: In the navigation pane, choose <strong id="aom_02_1012__b18950172296">Agent Management</strong>. On the page that is displayed, check the ICAgent status, as shown in <a href="#aom_02_1012__fig753416484913">Figure 1</a>. If the status is not <strong id="aom_02_1012__b1095212216913">Running</strong>, the ICAgent has been uninstalled or is abnormal. For details on how to solve the problem, see <a href="#aom_02_1012__table13223726125116">Table 1</a>.</p>
<div class="tablenoborder"><a name="aom_02_1012__table13223726125116"></a><a name="table13223726125116"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1012__table13223726125116" frame="border" border="1" rules="all"><caption><b>Table 1 </b>ICAgent troubleshooting suggestions</caption><thead align="left"><tr id="aom_02_1012__row1224142625115"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.3.1.3.2.3.1.1"><p id="aom_02_1012__p222402645117">Status</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.4.3.1.3.2.3.1.2"><p id="aom_02_1012__p1224142612512">Suggestion</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1012__row1522492613517"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p92249260512">Uninstalled</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p18224326155114">Install the ICAgent by referring to <a href="aom_02_2012.html">Installing the ICAgent</a>.</p>
</td>
</tr>
<tr id="aom_02_1012__row1422472685117"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p14224326195110">Installing</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p11225826135112">Wait for about 1 minute to complete the ICAgent installation.</p>
</td>
</tr>
<tr id="aom_02_1012__row12225326155113"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p122511265514">Installation failed</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p202257267518">If the ICAgent fails to be installed, reinstall it.</p>
</td>
</tr>
<tr id="aom_02_1012__row822572614518"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p132251266519">Upgrading</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p1922552615111">Wait for about 1 minute to complete the ICAgent upgrade.</p>
</td>
</tr>
<tr id="aom_02_1012__row182251826185117"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p162251926155120">Upgrade failed</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p822552614515">If the ICAgent fails to be upgraded, reinstall it.</p>
</td>
</tr>
<tr id="aom_02_1012__row1522511268517"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p2022562619512">Offline</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p5131152912100">Check for network faults and rectify such faults.</p>
</td>
</tr>
<tr id="aom_02_1012__row182254266515"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.1.3.2.3.1.1 "><p id="aom_02_1012__p182251826115110">Faulty</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.4.3.1.3.2.3.1.2 "><p id="aom_02_1012__p6225152614517">Contact technical support.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="fignone" id="aom_02_1012__fig753416484913"><a name="aom_02_1012__fig753416484913"></a><a name="fig753416484913"></a><span class="figcap"><b>Figure 1 </b>Checking the ICAgent status</span><br><span><img id="aom_02_1012__image18535348297" src="en-us_image_0297106347.png" height="125.06561900000001" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li></ul>
<ul id="aom_02_1012__ul448210361371"><li id="aom_02_1012__li2678761283"><strong id="aom_02_1012__b2095464418223">Cause 2: AOM cannot monitor the current resource.</strong><p id="aom_02_1012__p5327411085">Suggestion: Check whether your resources can be monitored by AOM. AOM can monitor hosts, Kubernetes containers, and user processes, but does not monitor system processes.</p>
</li><li id="aom_02_1012__li1848215364715"><strong id="aom_02_1012__b157706446192">Cause 3: The local time of the host is not synchronized with the NTP server time.</strong><div class="note" id="aom_02_1012__note470716361517"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_1012__p97092361658"><strong id="aom_02_1012__b16932454191911">NTP Sync Status</strong>: indicates whether the local time of the host is synchronized with the NTP server time. The value can be <strong id="aom_02_1012__b15977240162410">0</strong> or <strong id="aom_02_1012__b179771240202412">1</strong>. <strong id="aom_02_1012__b49771740112415">0</strong> indicates the synchronized status while <strong id="aom_02_1012__b1097864018248">1</strong> indicates the asynchronized status.</p>
</div></div>
<p id="aom_02_1012__p16964393109">Suggestion: Choose <strong id="aom_02_1012__b2077611152112">View Management</strong> &gt; <strong id="aom_02_1012__b20776311132112">Metric Monitoring</strong> and check the <strong id="aom_02_1012__b1381112426209">NTP Sync Status</strong> metric of the host. If the value of <strong id="aom_02_1012__b1081210426208">NTP Sync Status</strong> is <strong id="aom_02_1012__b28131942112016">1</strong>, the local time of the host is not synchronized with that of the NTP server. To solve the problem, perform synchronization.</p>
</li><li id="aom_02_1012__li99951927072"><strong id="aom_02_1012__b1933210713224">Cause 4: The resource is deleted or stopped.</strong><p id="aom_02_1012__p137601226183910">Suggestions:</p>
<ul id="aom_02_1012__ul272594503912"><li id="aom_02_1012__li183421343173916">On the ECS page, check whether the host is restarted, stopped, or deleted.</li><li id="aom_02_1012__li33431943203919">On the Cloud Container Engine (CCE) page, check whether the component is stopped or deleted.</li></ul>
</li></ul>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_1101.html">FAQs</a></div>
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<h1 class="topictitle1">Metric Description</h1>
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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_1015.html">Introduction</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1016.html">Network Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1017.html">Disk Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1018.html">File System Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1019.html">Host Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1020.html">Cluster Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1021.html">Container Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1022.html">Process Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1023.html">Instance Metrics and Dimensions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1024.html">Service Metrics and Dimensions</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
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<h1 class="topictitle1">Introduction</h1>
<div id="body8662426"><p id="aom_02_1015__en-us_topic_0175590441_p196519682915">Metrics reflect resource performance data or status. A metric consists of the <a href="#aom_02_1015__en-us_topic_0175590441_section15138195111105">namespace</a>, <a href="#aom_02_1015__en-us_topic_0175590441_section157916821815">dimension</a>, name, and unit. Metrics are classified into system metrics and custom metrics.</p>
<ul id="aom_02_1015__en-us_topic_0175590441_ul139863246284"><li id="aom_02_1015__en-us_topic_0175590441_li1023655719519">System metrics: basic metrics provided by AOM, such as CPU usage and used CPU cores.</li><li id="aom_02_1015__en-us_topic_0175590441_li1211925172818">Custom metrics: self-defined metrics. Custom metrics can be reported using the following methods:<ul id="aom_02_1015__en-us_topic_0175590441_ul1373437225"><li id="aom_02_1015__en-us_topic_0175590441_li21675142212">Method 1: Use the AOM API for reporting monitoring data.</li><li id="aom_02_1015__en-us_topic_0175590441_li1717111192217">Method 2: Connect to the Prometheus platform when creating container applications on Cloud Container Engine (CCE).</li></ul>
</li></ul>
<div class="section" id="aom_02_1015__en-us_topic_0175590441_section15138195111105"><a name="aom_02_1015__en-us_topic_0175590441_section15138195111105"></a><a name="en-us_topic_0175590441_section15138195111105"></a><h4 class="sectiontitle">Metric Namespaces</h4><p id="aom_02_1015__en-us_topic_0175590441_p20910928124711">Metric namespaces indicate containers for storing metrics. Metrics in different namespaces are independent of each other so that metrics of different applications will not be aggregated to the same statistics information.</p>
<ul id="aom_02_1015__en-us_topic_0175590441_ul878341017170"><li id="aom_02_1015__en-us_topic_0175590441_li12523929103614">Namespaces of system metrics cannot be changed. These namespaces must start with <strong id="aom_02_1015__en-us_topic_0175590441_b17897175883219">PAAS.</strong>, as shown in <a href="#aom_02_1015__en-us_topic_0175590441_table1834203313399">Table 1</a>.
<div class="tablenoborder"><a name="aom_02_1015__en-us_topic_0175590441_table1834203313399"></a><a name="en-us_topic_0175590441_table1834203313399"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1015__en-us_topic_0175590441_table1834203313399" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Namespaces of system metrics</caption><thead align="left"><tr id="aom_02_1015__en-us_topic_0175590441_row1934173317393"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.1.3.2.3.1.1"><p id="aom_02_1015__en-us_topic_0175590441_p16341133153910">Namespace</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.3.3.1.3.2.3.1.2"><p id="aom_02_1015__en-us_topic_0175590441_p534633113915">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1015__en-us_topic_0175590441_row33471214184114"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.1.3.2.3.1.1 "><p id="aom_02_1015__en-us_topic_0175590441_p143478142416">PAAS.AGGR</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.1.3.2.3.1.2 "><p id="aom_02_1015__en-us_topic_0175590441_p1680511833913">Namespace of cluster metrics</p>
</td>
</tr>
<tr id="aom_02_1015__en-us_topic_0175590441_row12781163320122"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.1.3.2.3.1.1 "><p id="aom_02_1015__en-us_topic_0175590441_p101250724812">PAAS.NODE</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.1.3.2.3.1.2 "><p id="aom_02_1015__en-us_topic_0175590441_p93433333910">Namespace of host, network, disk, and file system metrics</p>
</td>
</tr>
<tr id="aom_02_1015__en-us_topic_0175590441_row10341233103917"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.1.3.2.3.1.1 "><p id="aom_02_1015__en-us_topic_0175590441_p61091273481">PAAS.CONTAINER</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.1.3.2.3.1.2 "><p id="aom_02_1015__en-us_topic_0175590441_p1496213218310">Namespace of service, instance, process, and container metrics</p>
</td>
</tr>
</tbody>
</table>
</div>
</li></ul>
<ul id="aom_02_1015__en-us_topic_0175590441_ul1552310299365"><li id="aom_02_1015__en-us_topic_0175590441_li1524325875512">Namespaces of custom metrics must be in the <strong id="aom_02_1015__b42912374136">XX.XX</strong> format (excluding <strong id="aom_02_1015__b1173963711125">PAAS.XX</strong>, <strong id="aom_02_1015__b13275431171216">SYS.XX</strong>, or <strong id="aom_02_1015__b1268411268121">SRE.XX</strong>). Each namespace must be 3 to 32 characters long and start with a letter. Only digits, uppercase letters, lowercase letters, and underscores (_) are allowed. For example, <strong id="aom_02_1015__b4691124521010">aom.host_01</strong>.</li></ul>
</div>
<div class="section" id="aom_02_1015__en-us_topic_0175590441_section157916821815"><a name="aom_02_1015__en-us_topic_0175590441_section157916821815"></a><a name="en-us_topic_0175590441_section157916821815"></a><h4 class="sectiontitle">Metric Dimensions</h4><p id="aom_02_1015__en-us_topic_0175590441_p1572613983214">Metric dimensions indicate the categories of metrics. Each metric has certain features, and a dimension may be considered as a category of relevant features.</p>
<ul id="aom_02_1015__en-us_topic_0175590441_ul134514617233"><li id="aom_02_1015__en-us_topic_0175590441_li17202195110599">Dimensions of system metrics cannot be changed. Different types of metrics have different dimensions. For more information, see <a href="aom_02_1016.html">Network Metrics and Dimensions</a> to <a href="aom_02_1024.html">Service Metrics and Dimensions</a>.<div class="note" id="aom_02_1015__en-us_topic_0175590441_note15979155914596"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_1015__en-us_topic_0175590441_p1997935975910">The dimensions listed in <a href="aom_02_1016.html">Network Metrics and Dimensions</a> to <a href="aom_02_1024.html">Service Metrics and Dimensions</a> are the dimensions of metrics collected and reported by the AOM backend. You can select these dimensions when calling APIs. Resources are filtered and displayed by dimensions on the AOM frontend.</p>
</div></div>
</li><li id="aom_02_1015__en-us_topic_0175590441_li1535425782415">Dimensions of custom metrics must be 1 to 32 characters long, which need to be customized.</li></ul>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_1014.html">Metric Description</a></div>
</div>
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<h1 class="topictitle1">Disk Metrics and Dimensions</h1>
<div id="body8662426">
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1017__en-us_topic_0175590443_table114637278513" width="100%" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Disk metrics</caption><thead align="left"><tr id="aom_02_1017__en-us_topic_0175590443_row1246332745114"><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.1.2.5.1.1"><p id="aom_02_1017__en-us_topic_0175590443_p946332715115">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.1.2.5.1.2"><p id="aom_02_1017__en-us_topic_0175590443_p164631275518">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10%" id="mcps1.3.1.2.5.1.3"><p id="aom_02_1017__en-us_topic_0175590443_p8463727155114">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.1.2.5.1.4"><p id="aom_02_1017__en-us_topic_0175590443_p146372765113">Unit</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1017__en-us_topic_0175590443_row44791827135111"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.1.2.5.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p247911275510">Disk read rate (diskReadRate)</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.5.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p4479182710514">Volume of data read from a disk per second</p>
</td>
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.3.1.2.5.1.3 "><p id="aom_02_1017__en-us_topic_0175590443_p747962745120">≥ 0</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.1.2.5.1.4 "><p id="aom_02_1017__en-us_topic_0175590443_p19479162716512">KB/s</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row247962745118"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.1.2.5.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p6479172725112">Disk write rate (diskWriteRate)</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.5.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p74794272516">Volume of data written into a disk per second</p>
</td>
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.3.1.2.5.1.3 "><p id="aom_02_1017__en-us_topic_0175590443_p5479927155115">≥ 0</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.1.2.5.1.4 "><p id="aom_02_1017__en-us_topic_0175590443_p144791927125119">KB/s</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1017__en-us_topic_0175590443_table115819522490" width="100%" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Dimensions of disk metrics</caption><thead align="left"><tr id="aom_02_1017__en-us_topic_0175590443_row4596175254913"><th align="left" class="cellrowborder" valign="top" width="49.96%" id="mcps1.3.2.2.3.1.1"><p id="aom_02_1017__en-us_topic_0175590443_p14596185284910">Dimension</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.03999999999999%" id="mcps1.3.2.2.3.1.2"><p id="aom_02_1017__en-us_topic_0175590443_p2612105219498">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1017__en-us_topic_0175590443_row1462875274916"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p1686212413501">clusterId</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p108621024145010">Cluster ID</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row3111185013406"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p9111185074017">diskDevice</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p12111155012409">Disk name</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row18562183318406"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p95628332409">hostID</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p75623333402">Host ID</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row57001384012"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p93561814017">nameSpace</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p3356588409">Cluster namespace</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row1715318594016"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p4356381401">nodeIP</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p2034119815407">Host IP address</p>
</td>
</tr>
<tr id="aom_02_1017__en-us_topic_0175590443_row1735612117401"><td class="cellrowborder" valign="top" width="49.96%" headers="mcps1.3.2.2.3.1.1 "><p id="aom_02_1017__en-us_topic_0175590443_p134114114404">nodeName</p>
</td>
<td class="cellrowborder" valign="top" width="50.03999999999999%" headers="mcps1.3.2.2.3.1.2 "><p id="aom_02_1017__en-us_topic_0175590443_p43563115402">Host name</p>
</td>
</tr>
</tbody>
</table>
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</div>
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<h1 class="topictitle1">Instance Metrics and Dimensions</h1>
<div id="body8662426"><p id="aom_02_1023__en-us_topic_0175590449_p53494141310">Instance metrics consist of container or process metrics. The dimensions of instance metrics are the same as those of container or process metrics. For details, see <a href="aom_02_1021.html">Container Metrics and Dimensions</a> and <a href="aom_02_1022.html">Process Metrics and Dimensions</a>.</p>
<p id="aom_02_1023__en-us_topic_0175590449_p87631746102213">For workloads deployed on Cloud Container Engine (CCE), AOM supports drill-down from services to service instances, containers, and processes. For services that directly run on VMs, AOM supports drill-down from services to service instances and processes. In this way, you can implement multi-dimensional monitoring.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_1014.html">Metric Description</a></div>
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<h1 class="topictitle1">Service Metrics and Dimensions</h1>
<div id="body8662426"><p id="aom_02_1024__en-us_topic_0175590450_p53494141310">Service metrics consist of instance metrics. The dimensions of service metrics are the same as those of instance metrics. For details, see <a href="aom_02_1023.html">Instance Metrics and Dimensions</a>.</p>
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<h1 class="topictitle1">Monitoring Services</h1>
<div id="body8662426"><p id="aom_02_1030__en-us_topic_0231343177_p20570122183712">Services refer to containers and common processes you deploy. For example, a workload on Cloud Container Engine (CCE) is a service, and the Tomcat running on a VM is also a service.</p>
<p id="aom_02_1030__en-us_topic_0231343177_p663215">The service list displays the type, CPU usage, memory usage, and alarm status of each service, helping you learn services. You can click a service name to learn more information. AOM supports drill-down from a service to a service instance, a container, and then to a process. In this way, you can implement multi-dimensional monitoring.</p>
<div class="section" id="aom_02_1030__en-us_topic_0231343177_section1449617914318"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_1030__en-us_topic_0231343177_ol60779388"><li id="aom_02_1030__en-us_topic_0231343177_li16323738"><span>In the navigation pane, choose <strong id="aom_02_1030__en-us_topic_0231343177_b10343759597">Service Monitoring</strong> and perform the following operations as required:</span><p><ul id="aom_02_1030__en-us_topic_0231343177_ul153211110201219"><li id="aom_02_1030__en-us_topic_0231343177_li13211510181212"><strong id="aom_02_1030__en-us_topic_0231343177_b632171010126">Adding an alias</strong><p id="aom_02_1030__en-us_topic_0231343177_p1532181020129">If a service name is complex and difficult to identify, add an alias for the service.</p>
<p id="aom_02_1030__en-us_topic_0231343177_p73211410101216">Choose <strong id="aom_02_1030__en-us_topic_0231343177_b64998643616">More</strong> &gt; <strong id="aom_02_1030__en-us_topic_0231343177_b19131151991">Add alias</strong> in the <strong id="aom_02_1030__en-us_topic_0231343177_b3131551794">Operation</strong> column, and specify an alias.</p>
<p id="aom_02_1030__en-us_topic_0231343177_p10885124516173"><span><img id="aom_02_1030__en-us_topic_0231343177_image14557142014437" src="en-us_image_0297531017.png"></span></p>
</li><li id="aom_02_1030__en-us_topic_0231343177_li832131012122"><strong id="aom_02_1030__en-us_topic_0231343177_b1832114102121">Adding a tag</strong><p id="aom_02_1030__en-us_topic_0231343177_p19321110151212">Tags are used to identify services. You can distinguish system and non-system services using tags. By default, AOM adds the <strong id="aom_02_1030__en-us_topic_0231343177_b1117092717919">System Service</strong> tag to system services, including icagent, css-defender, nvidia-driver-installer, nvidia-gpu-device-plugin, kube-dns, org.tanukisoftware.wrapper.WrapperSimpleApp, evs-driver, obs-driver, sfs-driver, icwatchdog, and sh. You can click <span><img id="aom_02_1030__en-us_topic_0231343177_image1917113271199" src="en-us_image_0201820771.png"></span> in the upper right corner to select or deselect <strong id="aom_02_1030__en-us_topic_0231343177_b0171192718918">Hide system services</strong>. You can also customize tags to facilitate service management.</p>
<p id="aom_02_1030__en-us_topic_0231343177_p33211210141219">In the service list, choose <strong id="aom_02_1030__en-us_topic_0231343177_b76831840173417">More</strong> &gt; <strong id="aom_02_1030__en-us_topic_0231343177_b195601820184013">Modify Tag</strong> in the <strong id="aom_02_1030__en-us_topic_0231343177_b145601220104015">Operation</strong> column of the service. On the displayed page, click <span><img id="aom_02_1030__en-us_topic_0231343177_image5855216114813" src="en-us_image_0297531019.png"></span> to enter a tag, and click <span><img id="aom_02_1030__en-us_topic_0231343177_image1075205244714" src="en-us_image_0297531020.png" width="18.9525" height="9.975000000000001" title="Click to enlarge" class="imgResize"></span> and <strong id="aom_02_1030__en-us_topic_0231343177_b556212209409">OK</strong>. After the tag is added, enter a tag keyword in the search box in the upper right corner of the page to search for services.</p>
<div class="note" id="aom_02_1030__en-us_topic_0231343177_note532119106127"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_1030__en-us_topic_0231343177_ul1314318815374"><li id="aom_02_1030__en-us_topic_0231343177_li111438813711">By default, the <strong id="aom_02_1030__en-us_topic_0231343177_b56441914792">Tag</strong> column of the service list is hidden. You can click <span><img id="aom_02_1030__en-us_topic_0231343177_image1664513146914" src="en-us_image_0169698516.png"></span> in the upper right corner and select or deselect <strong id="aom_02_1030__en-us_topic_0231343177_b164515141799">Tag</strong> to show or hide them. In the <strong id="aom_02_1030__b294619581317">Tags</strong> column, use double quotation marks ("") to separate tags. Enter the content in double quotation marks when using tags to search for services.</li><li id="aom_02_1030__en-us_topic_0231343177_li31621413173713"><strong id="aom_02_1030__en-us_topic_0231343177_b9313885916">Rule Name</strong><ul id="aom_02_1030__en-us_topic_0231343177_ul1921244417373"><li id="aom_02_1030__en-us_topic_0231343177_li47591373393">Sys_Rule: AOM automatically discovers services based on the built-in Sys_Rule.</li></ul>
<ul id="aom_02_1030__en-us_topic_0231343177_ul192271628418"><li id="aom_02_1030__en-us_topic_0231343177_li12523937416">Default_Rule: AOM automatically discovers services based on the built-in Default_Rule.</li></ul>
</li></ul>
</div></div>
</li></ul>
</p></li><li id="aom_02_1030__en-us_topic_0231343177_li377517271830"><span>Click <span><img id="aom_02_1030__en-us_topic_0231343177_image7570152023917" src="en-us_image_0297531022.png"></span> to switch to the card view or click <span><img id="aom_02_1030__en-us_topic_0231343177_image1170542963919" src="en-us_image_0297531023.png"></span> to switch to the list.</span></li><li id="aom_02_1030__en-us_topic_0231343177_li141641166373"><span>Set filter criteria to search for the desired service.</span><p><p id="aom_02_1030__en-us_topic_0231343177_p154535331123">You can select a cluster from the drop-down list above the service list to filter services, or directly enter a service name in the search box to search for a service.</p>
</p></li><li id="aom_02_1030__en-us_topic_0231343177_li25040094"><span>Click the service name. The service details page is displayed.</span><p><ul id="aom_02_1030__en-us_topic_0231343177_ul81914431744"><li id="aom_02_1030__en-us_topic_0231343177_li7192431642">On the <strong id="aom_02_1030__en-us_topic_0231343177_b12955515813">Resource List</strong> tab page, view the service details.<ul id="aom_02_1030__en-us_topic_0231343177_ul183091527134310"><li id="aom_02_1030__en-us_topic_0231343177_li18309162715437">On the <strong id="aom_02_1030__en-us_topic_0231343177_b19386155131413">Instance List</strong> tab page, view the instance details.</li><li id="aom_02_1030__en-us_topic_0231343177_li5871110134411">On the <strong id="aom_02_1030__en-us_topic_0231343177_b2860181211159">Host List</strong> tab page, view the host details.</li><li id="aom_02_1030__en-us_topic_0231343177_li20559173794412">On the <strong id="aom_02_1030__en-us_topic_0231343177_b56714682014">Alarm Analysis</strong> tab page, view the alarm details.</li></ul>
<div class="note" id="aom_02_1030__en-us_topic_0231343177_note1886115510922"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_1030__en-us_topic_0231343177_ul1582110592194"><li id="aom_02_1030__en-us_topic_0231343177_li1882165916198">Click an instance name to monitor related resource usage and health status.</li><li id="aom_02_1030__en-us_topic_0231343177_li1882125911912">Click a host name to view details about the host where the service is deployed.</li></ul>
</div></div>
</li></ul>
<ul id="aom_02_1030__en-us_topic_0231343177_ul9266446449"><li id="aom_02_1030__en-us_topic_0231343177_li92664461415">Click the <strong id="aom_02_1030__en-us_topic_0231343177_b699345718811">View Monitor Graphs</strong> tab to monitor the various metrics of the service.</li></ul>
</p></li></ol>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0048.html">Resource Monitoring</a></div>
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<h1 class="topictitle1">Creating Threshold Rules</h1>
<div id="body8662426"><p id="aom_02_1035__p6356412134314">To use threshold rules, customize threshold conditions first. If a metric value meets a threshold condition, AOM generates a threshold alarm. If no metric data is reported, AOM generates an insufficient data event.</p>
<p id="aom_02_1035__en-us_topic_0141087247_p1847516431186">AOM is interconnected with Simple Message Notification (SMN). After you <a href="#aom_02_1035__en-us_topic_0141087247_li7359182111811">set a notification policy</a> on the SMN console, notifications are sent by email or Short Message Service (SMS) message if the threshold rule status (<strong id="aom_02_1035__b122337838215023">Exceeded</strong>, <strong id="aom_02_1035__b113579033215023">OK</strong>, or <strong id="aom_02_1035__b201042852515023">Insufficient</strong>) changes. In this way, you can identify and handle exceptions at the earliest time.</p>
<div class="section" id="aom_02_1035__en-us_topic_0141087247_section121241542131718"><h4 class="sectiontitle">Precautions</h4><ul id="aom_02_1035__en-us_topic_0141087247_ul2975105481817"><li id="aom_02_1035__en-us_topic_0141087247_li144391719132919">You can create a maximum of 1000 threshold rules. To create more rules when the maximum number is reached, delete unnecessary rules.</li><li id="aom_02_1035__en-us_topic_0141087247_li7359182111811"><a name="aom_02_1035__en-us_topic_0141087247_li7359182111811"></a><a name="en-us_topic_0141087247_li7359182111811"></a>Setting a notification policy<div class="p" id="aom_02_1035__en-us_topic_0141087247_p16635432116"><a name="aom_02_1035__en-us_topic_0141087247_li7359182111811"></a><a name="en-us_topic_0141087247_li7359182111811"></a>To send notifications by email or SMS message if the threshold rule status (<strong id="aom_02_1035__en-us_topic_0141087247_b895214910173">Exceeded</strong>, <strong id="aom_02_1035__en-us_topic_0141087247_b16953199131710">OK</strong>, or <strong id="aom_02_1035__en-us_topic_0141087247_b595515921715">Insufficient</strong>) changes, set a notification policy on the SMN console according to the following procedure. If you do not need to receive notifications by email or SMS message, skip the following operations. Procedure:<ol id="aom_02_1035__en-us_topic_0141087247_ol3752734184113"><li id="aom_02_1035__en-us_topic_0141087247_li1175223418410">Create a topic by referring to <a href="https://docs.otc.t-systems.com/en-us/usermanual/smn/en-us_topic_0043961401.html" target="_blank" rel="noopener noreferrer">Creating a Topic</a>.</li><li id="aom_02_1035__en-us_topic_0141087247_li6111171785113">Set a topic policy by referring to <a href="https://docs.otc.t-systems.com/en-us/usermanual/smn/en-us_topic_0043394891.html" target="_blank" rel="noopener noreferrer">Configuring Topic Policies</a>.<p id="aom_02_1035__en-us_topic_0141087247_p114701219125113">Select <strong id="aom_02_1035__en-us_topic_0141087247_b4864131317195">apm</strong> for <strong id="aom_02_1035__en-us_topic_0141087247_b28651013161919">Services that can publish messages to this topic</strong>. Otherwise, notifications cannot be sent.</p>
</li><li id="aom_02_1035__en-us_topic_0141087247_li11752163424114">Add a subscriber (email or SMS message recipient) for the topic by referring to <a href="https://docs.otc.t-systems.com/en-us/usermanual/smn/en-us_topic_0043961402.html" target="_blank" rel="noopener noreferrer">Adding a Subscription</a>.</li></ol>
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</li></ul>
</div>
<div class="section" id="aom_02_1035__en-us_topic_0141087247_section155931108164"><h4 class="sectiontitle">Creating Threshold Rules</h4><ol id="aom_02_1035__en-us_topic_0141087247_ol13333219169"><li id="aom_02_1035__en-us_topic_0141087247_li141606465717"><span>Log in to the management console.</span></li><li id="aom_02_1035__en-us_topic_0141087247_li381831617574"><span>Under <strong id="aom_02_1035__en-us_topic_0141087247_b798616485585">Application</strong>, click <strong id="aom_02_1035__en-us_topic_0141087247_b40349185814">Application Operations Management</strong>.</span></li><li id="aom_02_1035__en-us_topic_0141087247_li63886666"><span>In the navigation pane, choose <strong id="aom_02_1035__en-us_topic_0141087247_b278672615535">Alarm Center</strong> &gt; <strong id="aom_02_1035__en-us_topic_0141087247_b1578613267537">Threshold Rules</strong>. Then, click <strong id="aom_02_1035__en-us_topic_0141087247_b1278711264532">Add Threshold Rule</strong> in the upper right corner.</span></li><li id="aom_02_1035__en-us_topic_0141087247_li8597194092611"><span>Create a threshold rule.</span><p><ol type="a" id="aom_02_1035__en-us_topic_0141087247_ol9973145320266"><li id="aom_02_1035__en-us_topic_0141087247_li11810429171712">Select resources: Enter a threshold rule name, select a resource type, select the resources to be monitored from the resource tree, and click <strong id="aom_02_1035__en-us_topic_0141087247_b18234182075115">Next</strong>.<div class="note" id="aom_02_1035__en-us_topic_0141087247_note15229145192612"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_1035__en-us_topic_0141087247_ul57431524183312"><li id="aom_02_1035__en-us_topic_0141087247_li19743924123312">You can select a maximum of 10 resources from the resource tree.</li><li id="aom_02_1035__en-us_topic_0141087247_li674210315334">When multiple resources are selected, multiple threshold rules will be created after the creation is complete. Each resource is monitored by a threshold rule. A rule name consists of the threshold rule name you enter in the <strong id="aom_02_1035__en-us_topic_0141087247_b153231121142812">Threshold Name</strong> text box, and a sequence number ranging from 0 to 99. The earlier a resource is selected, the smaller its sequence number.<p id="aom_02_1035__en-us_topic_0141087247_p14102433193312">For example, enter <strong id="aom_02_1035__en-us_topic_0141087247_b12900165313359">Monitor_Host_cpuUsage</strong> in the <strong id="aom_02_1035__en-us_topic_0141087247_b17213911163618">Threshold Name</strong> text box and select the <strong id="aom_02_1035__en-us_topic_0141087247_b41341015183919">aom-1</strong> host and then the <strong id="aom_02_1035__en-us_topic_0141087247_b1031113269396">aom-2</strong> host from the resource tree. In this way, threshold rules <strong id="aom_02_1035__en-us_topic_0141087247_b18454134816408">Monitor_Host_cpuUsage0</strong> and <strong id="aom_02_1035__en-us_topic_0141087247_b11797657204013">Monitor_Host_cpuUsage1</strong> will be generated. The former monitors the <strong id="aom_02_1035__en-us_topic_0141087247_b2072032124011">aom-1</strong> host while the latter monitors the <strong id="aom_02_1035__en-us_topic_0141087247_b13593035204117">aom-2</strong> host.</p>
</li></ul>
</div></div>
<div class="fignone" id="aom_02_1035__en-us_topic_0141087247_fig518020234618"><span class="figcap"><b>Figure 1 </b>Selecting resources</span><br><span><img id="aom_02_1035__en-us_topic_0141087247_image131807231969" src="en-us_image_0297183034.png" height="252.026089" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_1035__en-us_topic_0141087247_li171034217117">Customize a threshold. Specifically, select the metric to be monitored, and set parameters such as <strong id="aom_02_1035__en-us_topic_0141087247_b1180616919516">Threshold Condition</strong>, <strong id="aom_02_1035__en-us_topic_0141087247_b149396350">Consecutive Period (s)</strong>, <strong id="aom_02_1035__en-us_topic_0141087247_b13665102153">Alarm Severity</strong>, <strong id="aom_02_1035__en-us_topic_0141087247_b13771511897">Statistic</strong>, and <strong id="aom_02_1035__en-us_topic_0141087247_b169384537594">Send Notification</strong>.<div class="note" id="aom_02_1035__en-us_topic_0141087247_note393219393399"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_1035__en-us_topic_0141087247_ul193219396397"><li id="aom_02_1035__en-us_topic_0141087247_li1293214398391"><strong id="aom_02_1035__en-us_topic_0141087247_b842352706172427">Threshold Condition</strong>: Trigger condition of a threshold alarm. A threshold condition consists of two parts: determination condition (≥, ≤, &gt;, or &lt;) and threshold value. For example, if <strong id="aom_02_1035__en-us_topic_0141087247_b146811774195949">Threshold Condition</strong> is set to <strong id="aom_02_1035__en-us_topic_0141087247_b842352706195955">&gt; 85</strong> and an actual metric value exceeds 85, a threshold alarm will be generated.</li><li id="aom_02_1035__en-us_topic_0141087247_li1693263993911"><strong id="aom_02_1035__en-us_topic_0141087247_b84235270617243">Consecutive Period (s)</strong>: If a metric value meets the threshold condition for a specified number of consecutive periods, a threshold alarm will be generated.</li><li id="aom_02_1035__en-us_topic_0141087247_li19237171616720"><strong id="aom_02_1035__en-us_topic_0141087247_b106061221185120">Statistic</strong>: Method used to measure metrics.</li><li id="aom_02_1035__en-us_topic_0141087247_li693218393393"><strong id="aom_02_1035__en-us_topic_0141087247_b16684189191211">Statistical Period</strong>: Interval at which metric data is collected. The system collects a data point every minute to determine the status of the threshold rule.</li><li id="aom_02_1035__en-us_topic_0141087247_li1020014391714"><strong id="aom_02_1035__en-us_topic_0141087247_b8622571521">Send Notification</strong>: Whether to send a notification by email or SMS message if the threshold rule status (<strong id="aom_02_1035__en-us_topic_0141087247_b463818735213">Exceeded</strong>, <strong id="aom_02_1035__en-us_topic_0141087247_b166387713522">OK</strong>, or <strong id="aom_02_1035__en-us_topic_0141087247_b166381755212">Insufficient</strong>) changes.<ul id="aom_02_1035__en-us_topic_0141087247_ul1920333101715"><li id="aom_02_1035__en-us_topic_0141087247_li4596185161112">If you need to receive notifications by email or SMS message, select <strong id="aom_02_1035__en-us_topic_0141087247_b124601418836">Yes</strong>, <a href="#aom_02_1035__en-us_topic_0141087247_li7359182111811">set a notification policy</a>, select the created topic, and select a trigger condition.</li><li id="aom_02_1035__en-us_topic_0141087247_li1720963151716">If you do not need to receive notifications by email or SMS message, select <strong id="aom_02_1035__en-us_topic_0141087247_b1899817299152">No</strong>.</li></ul>
</li><li id="aom_02_1035__en-us_topic_0141087247_li195119377616"><strong id="aom_02_1035__en-us_topic_0141087247_b5263123412151">Trigger Condition</strong>: Condition for sending notifications.<p id="aom_02_1035__en-us_topic_0141087247_p105619372061">You can select multiple trigger conditions for a threshold rule. For example, to receive notifications if the threshold status changes to <strong id="aom_02_1035__en-us_topic_0141087247_b17481959142717">Exceeded</strong>, select <strong id="aom_02_1035__en-us_topic_0141087247_b1679671324413">Threshold crossing</strong>. To receive notifications upon any threshold status change, select all trigger conditions.</p>
</li></ul>
</div></div>
<div class="fignone" id="aom_02_1035__en-us_topic_0141087247_fig291142915418"><span class="figcap"><b>Figure 2 </b>Customizing a threshold</span><br><span><img id="aom_02_1035__image15439359102" src="en-us_image_0000001415472973.png" width="497.42" height="179.03130000000002" title="Click to enlarge" class="imgResize"></span></div>
</li></ol>
</p></li><li id="aom_02_1035__en-us_topic_0141087247_li3708124852615"><span>Click <strong id="aom_02_1035__en-us_topic_0141087247_b842352706163731">Submit</strong>. As shown in the following figure, multiple threshold rules are created. Each resource is monitored by an independent rule.</span><p><p id="aom_02_1035__en-us_topic_0141087247_p19708124812264">If the CPU usage of a host exceeds 85%, a threshold alarm is generated on the alarm page. You can choose <strong id="aom_02_1035__en-us_topic_0141087247_b5289853114718">Alarm Center</strong> &gt; <strong id="aom_02_1035__en-us_topic_0141087247_b6554259484">Alarms</strong> in the navigation pane to view the alarm. If the host meets the preset notification policy, an email or SMS message will be sent to the specified recipient.</p>
<div class="fignone" id="aom_02_1035__en-us_topic_0141087247_fig123601148212"><span class="figcap"><b>Figure 3 </b>Threshold rules</span><br><span><img id="aom_02_1035__en-us_topic_0141087247_image33611914424" src="en-us_image_0297183036.png" height="43.583435" width="497.42" title="Click to enlarge" class="imgResize"></span></div>
</p></li></ol>
</div>
<div class="section" id="aom_02_1035__en-us_topic_0141087247_s0f0133834e2949e2a03e1b5a9a78f877"><h4 class="sectiontitle">Related Operations</h4><p id="aom_02_1035__en-us_topic_0141087247_p1485291743119">After creating a threshold rule, you can also perform the operations described in <a href="#aom_02_1035__en-us_topic_0141087247_table289773015816">Table 1</a>.</p>
<div class="tablenoborder"><a name="aom_02_1035__en-us_topic_0141087247_table289773015816"></a><a name="en-us_topic_0141087247_table289773015816"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1035__en-us_topic_0141087247_table289773015816" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Related operations</caption><thead align="left"><tr id="aom_02_1035__en-us_topic_0141087247_row1089753013810"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.3.2.3.1.1"><p id="aom_02_1035__en-us_topic_0141087247_p989717309813">Operation</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.5.3.2.3.1.2"><p id="aom_02_1035__en-us_topic_0141087247_p15897830387">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1035__en-us_topic_0141087247_row889712307814"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p98971130485">Modify a threshold rule</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><p id="aom_02_1035__en-us_topic_0141087247_p31097983114">Click <strong id="aom_02_1035__en-us_topic_0141087247_b846138775111133">Modify</strong> in the <strong id="aom_02_1035__en-us_topic_0141087247_b842352706105323">Operation</strong> column.</p>
</td>
</tr>
<tr id="aom_02_1035__en-us_topic_0141087247_row58971630183"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p58975306819">Delete a threshold rule</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><ul id="aom_02_1035__en-us_topic_0141087247_ul98211552932"><li id="aom_02_1035__en-us_topic_0141087247_li595210397316">To delete a threshold rule, click <strong id="aom_02_1035__en-us_topic_0141087247_b842352706173827">Delete</strong> in the <strong id="aom_02_1035__en-us_topic_0141087247_b842352706173832">Operation</strong> column.</li><li id="aom_02_1035__en-us_topic_0141087247_li682114521330">To delete one or more threshold rules, select them and click <strong id="aom_02_1035__en-us_topic_0141087247_b842352706174459">Delete</strong> above the threshold rule list.</li></ul>
</td>
</tr>
<tr id="aom_02_1035__en-us_topic_0141087247_row31821833243"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p2897163011813">Search for a threshold rule</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><p id="aom_02_1035__en-us_topic_0141087247_p2583113611591">Enter a keyword of the threshold rule name in the search box in the upper right corner and click <span><img id="aom_02_1035__en-us_topic_0141087247_image517371916428" src="en-us_image_0297183037.png"></span>.</p>
</td>
</tr>
<tr id="aom_02_1035__en-us_topic_0141087247_row1420115135216"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p13202613112114">View a threshold rule</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><p id="aom_02_1035__en-us_topic_0141087247_p4202171332110">Click <span><img id="aom_02_1035__en-us_topic_0141087247_image12869446162417" src="en-us_image_0297183038.png"></span> next to a threshold rule to view its details.</p>
</td>
</tr>
<tr id="aom_02_1035__en-us_topic_0141087247_row424843413542"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p5208223173515">View an alarm</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><p id="aom_02_1035__en-us_topic_0141087247_p545816404365">If the metric value of a resource meets a threshold condition in the specified number of consecutive periods, a threshold alarm will be sent.</p>
<p id="aom_02_1035__en-us_topic_0141087247_p153023815167">In the navigation pane, choose <strong id="aom_02_1035__en-us_topic_0141087247_b5719113718346">Alarm Center</strong> &gt; <strong id="aom_02_1035__en-us_topic_0141087247_b8653164153410">Alarms</strong> to view the alarm.</p>
</td>
</tr>
<tr id="aom_02_1035__en-us_topic_0141087247_row20557121935919"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.3.1.1 "><p id="aom_02_1035__en-us_topic_0141087247_p1355716196595">View an event</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.5.3.2.3.1.2 "><p id="aom_02_1035__en-us_topic_0141087247_p195571919105914">During the configured consecutive periods, if no metric data of a resource is reported, an insufficient data event will be sent.</p>
<p id="aom_02_1035__en-us_topic_0141087247_p145741947145911">In the navigation pane, choose <strong id="aom_02_1035__en-us_topic_0141087247_b842352706174143">Alarm Center</strong> &gt; <strong id="aom_02_1035__en-us_topic_0141087247_b842352706174148">Events</strong> to view the event.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0044.html">Alarm Management</a></div>
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<h1 class="topictitle1">Overview</h1>
<div id="body8662426"><p id="aom_02_1041__en-us_topic_0141087268_p1053962012535">The <strong id="aom_02_1041__en-us_topic_0141087268_b39901041314">Overview</strong> page provides full-link, multi-layer, and one-stop O&amp;M for applications and resources. The following types of graphs are supported: infrastructure monitoring, host monitoring (CPU and memory), service monitoring (CPU and memory), instance monitoring (CPU and memory), host monitoring (disk), host monitoring (network), cluster monitoring (CPU and memory), and cluster monitoring (disk).</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol1916416513562"><li id="aom_02_1041__en-us_topic_0141087268_li61641359568">Log in to the management console.</li><li id="aom_02_1041__en-us_topic_0141087268_li8164551561">Under <strong id="aom_02_1041__en-us_topic_0141087268_b3900112882211">Application</strong>, click <strong id="aom_02_1041__en-us_topic_0141087268_b117161757151516">Application Operations Management</strong>.</li><li id="aom_02_1041__en-us_topic_0141087268_li16164125135619">In the navigation pane, choose <strong id="aom_02_1041__en-us_topic_0141087268_b1156182263114">Overview</strong> to view information.</li></ol>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section1453418528441"><h4 class="sectiontitle">Infrastructure Monitoring</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig118210215475"><span class="figcap"><b>Figure 1 </b>Infrastructure monitoring</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image14231215159" src="en-us_image_0297180622.png" width="497.42" height="258.93969500000003" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p197146205212">This area displays infrastructure metrics. You can select one or all clusters to view monitoring information. In the preceding figure, all clusters are selected. The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol9297912134515"><li id="aom_02_1041__en-us_topic_0141087268_li54653112539">Host running status, CPU usage, and physical memory usage.</li><li id="aom_02_1041__en-us_topic_0141087268_li96469105595">Trend graph of network traffic in the last hour. The values of each point in the graph respectively indicate the total downlink/uplink rates of all clusters in one minute. The values displayed above the trend graph respectively indicate the total downlink/uplink rates of all clusters at the latest time point.</li><li id="aom_02_1041__en-us_topic_0141087268_li230291216456">Trend graph of CPU usage and memory usage in the last hour. The values of each point in the graph respectively indicate the average CPU and memory usage of all clusters in one minute. The values displayed above the trend graph respectively indicate the average CPU and memory usage of all clusters at the latest time point.</li></ol>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section17659204864612"><h4 class="sectiontitle">Host Monitoring (CPU and Memory)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig11321935471"><span class="figcap"><b>Figure 2 </b>Host monitoring (CPU and memory)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image87691317175816" src="en-us_image_0297180623.png" width="523.6875" height="263.824386" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p4844425158">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol1456644110472"><li id="aom_02_1041__en-us_topic_0141087268_li15567134164719">The top 5 hosts with high CPU and memory usage in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li18567124110475">Trend graph of the CPU and memory usage of the selected host in the last hour. The values of each point in the graph respectively indicate the CPU and memory usage of the host in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li156714174717">CPU and memory usage of the selected host at the latest time point, which is displayed above the trend graph.</li></ol>
<div class="note" id="aom_02_1041__en-us_topic_0141087268_note18069533255"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_1041__en-us_topic_0141087268_p25791757122519">When the value of a metric exceeds a threshold, a red line is displayed in the trend graph, alerting you that such a value needs attention.</p>
</div></div>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section7730135117582"><h4 class="sectiontitle">Service Monitoring (CPU and Memory)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig5877152115220"><span class="figcap"><b>Figure 3 </b>Service monitoring (CPU and memory)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image95951441326" src="en-us_image_0297180624.png" width="497.42" height="255.08721700000004" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p998754683">The information includes:</p>
<ul id="aom_02_1041__en-us_topic_0141087268_ul58962084315"><li id="aom_02_1041__en-us_topic_0141087268_li989611010437">The top 5 services with high CPU and memory usage in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li178968010433">Trend graph of the CPU and memory usage of the selected service in the last hour. The values of each point in the graph respectively indicate the CPU and memory usage of the service in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li128961501433">CPU and memory usage of the selected service at the latest time point, which is displayed above the trend graph.</li><li id="aom_02_1041__en-us_topic_0141087268_li168961506434">Option <span><img id="aom_02_1041__en-us_topic_0141087268_image1576031094415" src="en-us_image_0297180645.png"></span>, which can be selected to hide system services.</li></ul>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section8909105124810"><h4 class="sectiontitle">Instance Monitoring (CPU and Memory)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig2361956124215"><span class="figcap"><b>Figure 4 </b>Instance monitoring (CPU and memory)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image668833019111" src="en-us_image_0297180646.png" width="523.6875" height="321.84138" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p97912398100">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol1544121234915"><li id="aom_02_1041__en-us_topic_0141087268_li254416126495">The top 5 instances with high CPU and memory usage in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li20544101216497">Trend graph of the CPU and memory usage of the selected instance in the last hour. The values of each point in the graph respectively indicate the CPU and memory usage of the instance in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li15441612194917">CPU and memory usage of the selected instance at the latest time point, which is displayed above the trend graph.</li><li id="aom_02_1041__en-us_topic_0141087268_li1154420125498">Option <span><img id="aom_02_1041__image872011501748" src="en-us_image_0297194004.png"></span>, which can be selected to hide system instances.</li></ol>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section88151934134915"><h4 class="sectiontitle">Host Monitoring (Disk)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig8388628112711"><span class="figcap"><b>Figure 5 </b>Host monitoring (disk)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image365514481115" src="en-us_image_0297180648.png" width="523.6875" height="268.230144" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p548443911174">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol19253355124914"><li id="aom_02_1041__en-us_topic_0141087268_li14253165510499">The top 5 hosts with high disk read/write rate in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li182534559498">Trend graph of the disk read/write rate of the selected host in the last hour. The values of each point in the graph respectively indicate the disk read/write rate of the selected host in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li0253195515497">Disk read/write rate of the selected host at the latest time point, which is displayed above the trend graph.</li></ol>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section206753816503"><h4 class="sectiontitle">Host Monitoring (Network)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig185831339182815"><span class="figcap"><b>Figure 6 </b>Host monitoring (network)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image99215210216" src="en-us_image_0297180649.png" width="523.6875" height="269.80247" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p145184313245">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol1267515318507"><li id="aom_02_1041__en-us_topic_0141087268_li196751317505">The top 5 hosts with high uplink/downlink network rate in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li3675183115503">Trend graph of the uplink/downlink network rate of the selected host in the last hour. The values of each point in the graph respectively indicate the uplink/downlink network rate of the selected host in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li106751431105014">Uplink/downlink network rate of the selected host at the latest time point, which is displayed above the trend graph.</li></ol>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section43621839115012"><h4 class="sectiontitle">Cluster Monitoring (CPU and Memory)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig153533572181"><span class="figcap"><b>Figure 7 </b>Cluster monitoring (CPU and memory)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image1496819481326" src="en-us_image_0297180650.png" width="523.6875" height="264.245996" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p940032152011">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol524612174518"><li id="aom_02_1041__en-us_topic_0141087268_li13247151714517">The top 5 clusters with high CPU and memory usage in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li8247181713513">Trend graph of the CPU and memory usage of the selected cluster in the last hour. The values of each point in the graph respectively indicate the CPU and memory usage of the cluster in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li624761719515">CPU and memory usage of the selected cluster at the latest time point, which is displayed above the trend graph.</li></ol>
<div class="note" id="aom_02_1041__en-us_topic_0141087268_note91895122911"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_1041__en-us_topic_0141087268_ul13976514158"><li id="aom_02_1041__en-us_topic_0141087268_li79710516155">When the value of a metric exceeds a threshold, a red line is displayed in the trend graph, alerting you that such a value needs attention.</li><li id="aom_02_1041__en-us_topic_0141087268_li1971051191519">When the values of multiple metrics exceed thresholds, multiple red lines are displayed in the trend graph. You can hover over the trend graph to view the values of different metrics, as shown in the following figure.<p id="aom_02_1041__en-us_topic_0141087268_p1164545216158"><a name="aom_02_1041__en-us_topic_0141087268_li1971051191519"></a><a name="en-us_topic_0141087268_li1971051191519"></a><span><img id="aom_02_1041__en-us_topic_0141087268_image659054381519" src="en-us_image_0297180651.png" width="213.45608900000002" height="74.8125" title="Click to enlarge" class="imgResize"></span></p>
</li></ul>
</div></div>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section19804102795117"><h4 class="sectiontitle">Cluster Monitoring (Disk)</h4><div class="fignone" id="aom_02_1041__en-us_topic_0141087268_fig1048582714219"><span class="figcap"><b>Figure 8 </b>Cluster monitoring (disk)</span><br><span><img id="aom_02_1041__en-us_topic_0141087268_image23812038349" src="en-us_image_0297180661.png" width="523.6875" height="250.667494" title="Click to enlarge" class="imgResize"></span></div>
<p id="aom_02_1041__en-us_topic_0141087268_p481113452213">The information includes:</p>
<ol id="aom_02_1041__en-us_topic_0141087268_ol7409195615113"><li id="aom_02_1041__en-us_topic_0141087268_li5409125612515">The top 5 clusters with high disk usage in the last minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li104092563517">Trend graph of the disk usage of the selected cluster in the last hour. The value of each point in the graph indicates the disk usage of the cluster in one minute.</li><li id="aom_02_1041__en-us_topic_0141087268_li1540905645117">Disk usage of the selected cluster at the latest time point, which is displayed above the trend graph.</li></ol>
</div>
<div class="section" id="aom_02_1041__en-us_topic_0141087268_section732461144213"><h4 class="sectiontitle">Related Operations</h4><p id="aom_02_1041__p19339361690">You can also perform the operations described in <a href="#aom_02_1041__en-us_topic_0141087268_table62191141172620">Table 1</a>.</p>
<div class="tablenoborder"><a name="aom_02_1041__en-us_topic_0141087268_table62191141172620"></a><a name="en-us_topic_0141087268_table62191141172620"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1041__en-us_topic_0141087268_table62191141172620" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Related operations</caption><thead align="left"><tr id="aom_02_1041__en-us_topic_0141087268_row17219114119268"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.11.3.2.3.1.1"><p id="aom_02_1041__en-us_topic_0141087268_p72191641172615">Operation</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.11.3.2.3.1.2"><p id="aom_02_1041__en-us_topic_0141087268_p17877452192615">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1041__en-us_topic_0141087268_row1532855313308"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.11.3.2.3.1.1 "><p id="aom_02_1041__en-us_topic_0141087268_p032817535309">Favorites</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.11.3.2.3.1.2 "><p id="aom_02_1041__en-us_topic_0141087268_p69219012814">Click <strong id="aom_02_1041__en-us_topic_0141087268_b165681429192216">Add to Favorites</strong> in the upper right corner of each monitoring area to move a graph to the Favorites.</p>
<p id="aom_02_1041__en-us_topic_0141087268_p53541641202719">Click <span><img id="aom_02_1041__en-us_topic_0141087268_image1166943451719" src="en-us_image_0297180662.png" width="26.6" height="25.122237000000002" title="Click to enlarge" class="imgResize"></span> on the right of the page to move a graph from the Favorites to the monitoring area.</p>
</td>
</tr>
<tr id="aom_02_1041__en-us_topic_0141087268_row20219841152617"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.11.3.2.3.1.1 "><p id="aom_02_1041__en-us_topic_0141087268_p1864185913260">Enlarging a metric graph</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.11.3.2.3.1.2 "><p id="aom_02_1041__en-us_topic_0141087268_p145895479578">Click <span><img id="aom_02_1041__en-us_topic_0141087268_image34091217135" src="en-us_image_0297180663.png"></span> in the upper right corner of a metric graph to zoom it in.</p>
</td>
</tr>
<tr id="aom_02_1041__en-us_topic_0141087268_row19219204172614"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.11.3.2.3.1.1 "><p id="aom_02_1041__en-us_topic_0141087268_p1849155132613">Drilling down blue texts</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.11.3.2.3.1.2 "><p id="aom_02_1041__en-us_topic_0141087268_p1567101813278">Click blue texts, for example, a host name, to drill down to the details page, as shown in the following figure.</p>
<p id="aom_02_1041__en-us_topic_0141087268_p1972483814400"><span><img id="aom_02_1041__en-us_topic_0141087268_image195733562510" src="en-us_image_0297180664.png" width="412.3" height="206.15" title="Click to enlarge" class="imgResize"></span></p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_06_6001.html">User Guide</a></div>
</div>
</div>
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<h1 class="topictitle1">Obtaining an AK/SK</h1>
<div id="body8662426"><div class="note" id="aom_02_1100__en-us_topic_0227418853_note202607424481"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_1100__en-us_topic_0227418853_p138345419156">Each user can create a maximum of two AK/SK pairs. Once they are generated, they are permanently valid.</p>
</div></div>
<ul id="aom_02_1100__en-us_topic_0227418853_ul1094344875917"><li id="aom_02_1100__en-us_topic_0227418853_li1381955592710">AK: unique ID associated with the SK. It is used together with the SK to sign requests.</li><li id="aom_02_1100__en-us_topic_0227418853_li36626508597">SK: secret access key used in conjunction with an AK to sign requests cryptographically. It identifies a request sender and prevents the request from being modified.</li></ul>
<div class="section" id="aom_02_1100__en-us_topic_0227418853_section185081250164518"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_1100__ol13771480532"><li id="aom_02_1100__li127734817534">Log in to the management console, hover the mouse pointer over the username in the upper right corner, and select <strong id="aom_02_1100__b201901234151014">My Credentials</strong> from the drop-down list.</li><li id="aom_02_1100__li87719487530">On the <strong id="aom_02_1100__b72901535171015">My Credentials</strong> page, click the <strong id="aom_02_1100__b14554414126">Access Keys</strong> tab.</li><li id="aom_02_1100__li977174845312">Click <strong id="aom_02_1100__b124943612100">Create Access Key</strong>. In the dialog box that is displayed, enter the login password and verification code sent to your email or mobile phone.</li><li id="aom_02_1100__li107734815536">Click <strong id="aom_02_1100__b10943376101">OK</strong> and download the generated AK/SK pair.<div class="note" id="aom_02_1100__note2724257895831"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_1100__p1728295205319">Keep the AK/SK secure.</p>
</div></div>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_1101.html">FAQs</a></div>
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<h1 class="topictitle1">FAQs</h1>
<div id="body1584004411659"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_1100.html">Obtaining an AK/SK</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1002.html">What Is the Relationship Between the Time Range and Statistical Cycle?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1012.html">What Can I Do If Resources Are Not Running Properly?</a></strong><br>
</li>
</ul>
</div>

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<h1 class="topictitle1">Monitoring Metrics</h1>
<div id="body8662426"><p id="aom_02_1117__en-us_topic_0141087358_p197369511420">AOM displays metric data of each resource on the <strong id="aom_02_1117__en-us_topic_0141087358_b2553193745620">Metric Monitoring</strong> page. You can monitor metric values and trends in real time, add metrics to dashboards, create threshold rules, and export reports for real-time monitoring and correlation analysis.</p>
<div class="section" id="aom_02_1117__en-us_topic_0141087358_section51898292"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_1117__en-us_topic_0141087358_ol4001520"><li id="aom_02_1117__en-us_topic_0141087358_li540314457582"><span>Log in to the management console.</span></li><li id="aom_02_1117__en-us_topic_0141087358_li7587134911583"><span>Under <strong id="aom_02_1117__en-us_topic_0141087358_b1256514211220">Application</strong>, click <strong id="aom_02_1117__en-us_topic_0141087358_b1656612215214">Application Operations Management</strong>.</span></li><li id="aom_02_1117__en-us_topic_0141087358_li13803191719337"><span>In the navigation pane, choose <strong id="aom_02_1117__en-us_topic_0141087358_b7228114818505">View Management</strong> &gt; <strong id="aom_02_1117__en-us_topic_0141087358_b20229154825017">Metric Monitoring</strong>.</span></li><li id="aom_02_1117__en-us_topic_0141087358_li14409779"><span>Select up to 10 metrics from the metric tree on the left to monitor. For details, see <a href="aom_02_1014.html">Metric Description</a>.</span></li><li id="aom_02_1117__en-us_topic_0141087358_li26341431"><span>Set metric parameters according to <a href="#aom_02_1117__en-us_topic_0141087358_d0e3947">Table 1</a>, view the metric graphs on the right, and analyze metric data from multiple dimensions.</span><p>
<div class="tablenoborder"><a name="aom_02_1117__en-us_topic_0141087358_d0e3947"></a><a name="en-us_topic_0141087358_d0e3947"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1117__en-us_topic_0141087358_d0e3947" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Metric parameters</caption><thead align="left"><tr id="aom_02_1117__en-us_topic_0141087358_row13127381"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.2.5.2.1.2.3.1.1"><p id="aom_02_1117__en-us_topic_0141087358_p56684903">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.2.2.5.2.1.2.3.1.2"><p id="aom_02_1117__en-us_topic_0141087358_p28074446">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1117__en-us_topic_0141087358_row59437682"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.5.2.1.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p49722938">Time Range</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.2.2.5.2.1.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p1026191">Time period when metrics are monitored.</p>
</td>
</tr>
<tr id="aom_02_1117__en-us_topic_0141087358_row16012632"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.5.2.1.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p21954814">Statistical Period</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.2.2.5.2.1.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p33509480">Interval at which metric data is collected.</p>
</td>
</tr>
<tr id="aom_02_1117__en-us_topic_0141087358_row29913342"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.5.2.1.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p7061674">Statistic</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.2.2.5.2.1.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p9901121210548">Method used to measure metrics.</p>
<div class="note" id="aom_02_1117__en-us_topic_0141087358_note69011612105414"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="aom_02_1117__en-us_topic_0141087358_ul6301204114711"><li id="aom_02_1117__en-us_topic_0141087358_li19301104114716">The number of samples equals to the count of data points.</li><li id="aom_02_1117__en-us_topic_0141087358_li10842144212716">If you change the statistical method, the new setting will take effect for all metrics.</li></ul>
</div></div>
</td>
</tr>
</tbody>
</table>
</div>
</p></li></ol>
</div>
<div class="section" id="aom_02_1117__en-us_topic_0141087358_section64431444"><h4 class="sectiontitle">Related Operations</h4><p id="aom_02_1117__en-us_topic_0141087358_p1485291743119">You can also perform the operations described in <a href="#aom_02_1117__en-us_topic_0141087358_table1679219139498">Table 2</a>.</p>
<div class="tablenoborder"><a name="aom_02_1117__en-us_topic_0141087358_table1679219139498"></a><a name="en-us_topic_0141087358_table1679219139498"></a><table cellpadding="4" cellspacing="0" summary="" id="aom_02_1117__en-us_topic_0141087358_table1679219139498" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Related operations</caption><thead align="left"><tr id="aom_02_1117__en-us_topic_0141087358_row7794181394914"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.3.1.1"><p id="aom_02_1117__en-us_topic_0141087358_p167941213174916">Operation</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="80%" id="mcps1.3.3.3.2.3.1.2"><p id="aom_02_1117__en-us_topic_0141087358_p6794111313499">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="aom_02_1117__en-us_topic_0141087358_row779471324911"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p1079411319497">Add a metric graph to a dashboard</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p1079421314496">Click <strong id="aom_02_1117__en-us_topic_0141087358_b842352706104246">Add to Dashboard</strong> to add a metric graph to a dashboard.</p>
</td>
</tr>
<tr id="aom_02_1117__en-us_topic_0141087358_row10794201364910"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p379441314911">Add a threshold rule for a metric</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p2794131344920">Click <strong id="aom_02_1117__en-us_topic_0141087358_b84235270610437">Add to Threshold Rule</strong>, set threshold rule parameters, and click <strong id="aom_02_1117__en-us_topic_0141087358_b665618182814">Submit</strong> to add a threshold rule.</p>
</td>
</tr>
<tr id="aom_02_1117__en-us_topic_0141087358_row47947132499"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p4794213144916">Export a monitoring report</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p4794111384915">Click <strong id="aom_02_1117__en-us_topic_0141087358_b842352706104411">Export Report</strong> to export a metric graph as a CSV file to a local PC.</p>
</td>
</tr>
<tr id="aom_02_1117__en-us_topic_0141087358_row970274984116"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.3.1.1 "><p id="aom_02_1117__en-us_topic_0141087358_p133396238483">Set an interpolation mode</p>
</td>
<td class="cellrowborder" valign="top" width="80%" headers="mcps1.3.3.3.2.3.1.2 "><p id="aom_02_1117__en-us_topic_0141087358_p78654215382">By default, AOM uses <strong id="aom_02_1117__en-us_topic_0141087358_b1083232120380">Null</strong> to represent breakpoints in a metric graph, as shown in <a href="#aom_02_1117__en-us_topic_0141087358_fig3375195102312">Figure 1</a>. However, a metric graph with breakpoints is not suitable for reports or presentation. To solve the problem, set the value of <strong id="aom_02_1117__en-us_topic_0141087358_b936013184263">Interpolation Mode</strong> to <strong id="aom_02_1117__en-us_topic_0141087358_b3361218112614">0</strong> or <strong id="aom_02_1117__en-us_topic_0141087358_b1636110187264">Average</strong> to interpolate values. In this way, you can replace the missing metric data and avoid breakpoints.</p>
<p id="aom_02_1117__en-us_topic_0141087358_p14589173120582">The value of <strong id="aom_02_1117__en-us_topic_0141087358_b8181156142512">Interpolation Mode</strong> can be <strong id="aom_02_1117__en-us_topic_0141087358_b6199566254">Null</strong>, <strong id="aom_02_1117__en-us_topic_0141087358_b22015564258">0</strong>, or <strong id="aom_02_1117__en-us_topic_0141087358_b13212568257">Average</strong>.</p>
<ul id="aom_02_1117__en-us_topic_0141087358_ul18810182132915"><li id="aom_02_1117__en-us_topic_0141087358_li9331111110467"><strong id="aom_02_1117__en-us_topic_0141087358_b1274611237212">Null</strong>: Breakpoints are represented by <strong id="aom_02_1117__en-us_topic_0141087358_b207471823322">Null</strong> by default.<div class="fignone" id="aom_02_1117__en-us_topic_0141087358_fig3375195102312"><a name="aom_02_1117__en-us_topic_0141087358_fig3375195102312"></a><a name="en-us_topic_0141087358_fig3375195102312"></a><span class="figcap"><b>Figure 1 </b>Graph when the value of <strong id="aom_02_1117__en-us_topic_0141087358_b8645769435">Interpolation Mode</strong> is <strong id="aom_02_1117__en-us_topic_0141087358_b1964615614437">Null</strong></span><br><span><img id="aom_02_1117__en-us_topic_0141087358_image1565010181560" src="en-us_image_0297183060.png" width="412.3" height="180.035051" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_1117__en-us_topic_0141087358_li1381011218299"><strong id="aom_02_1117__en-us_topic_0141087358_b1730020571222">0</strong>: Breakpoints are represented by <strong id="aom_02_1117__en-us_topic_0141087358_b930118571822">0</strong>.<div class="fignone" id="aom_02_1117__en-us_topic_0141087358_fig10850150111512"><span class="figcap"><b>Figure 2 </b>Graph when the value of <strong id="aom_02_1117__en-us_topic_0141087358_b83261016174710">Interpolation Mode</strong> is <strong id="aom_02_1117__en-us_topic_0141087358_b732719166477">0</strong></span><br><span><img id="aom_02_1117__en-us_topic_0141087358_image1034820318817" src="en-us_image_0297183061.png" width="412.3" height="179.69018200000002" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="aom_02_1117__en-us_topic_0141087358_li138918315325"><strong id="aom_02_1117__en-us_topic_0141087358_b158919383216">Average</strong>: Breakpoints are represented by the average value.<div class="fignone" id="aom_02_1117__en-us_topic_0141087358_fig1646591611320"><span class="figcap"><b>Figure 3 </b>Graph when the value of <strong id="aom_02_1117__en-us_topic_0141087358_b1463314011212">Interpolation Mode</strong> is <strong id="aom_02_1117__en-us_topic_0141087358_b186341205129">Average</strong></span><br><span><img id="aom_02_1117__en-us_topic_0141087358_image135313251913" src="en-us_image_0297183062.png" width="412.3" height="180.257826" title="Click to enlarge" class="imgResize"></span></div>
<div class="note" id="aom_02_1117__en-us_topic_0141087358_note746571618319"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="aom_02_1117__en-us_topic_0141087358_p161431521462">If the value of <strong id="aom_02_1117__en-us_topic_0141087358_b89286618328">Interpolation Mode</strong> is set to <strong id="aom_02_1117__en-us_topic_0141087358_b191481015183214">Average</strong>, breakpoints will be represented by average values. The following describes how to calculate average values.</p>
<p id="aom_02_1117__en-us_topic_0141087358_p04643161535">A metric graph may have multiple breakpoints. When multiple breakpoints exist, values will be interpolated for these breakpoints from left to right. The following uses the first breakpoint in a graph as an example to describe the method of calculating the average value. This method can also be applied to other breakpoints.</p>
<ul id="aom_02_1117__en-us_topic_0141087358_ul1746591614315"><li id="aom_02_1117__en-us_topic_0141087358_li174641216731">If the first breakpoint is at the start of a metric graph, the value of the breakpoint is the first valid data from its next point to the right.<p id="aom_02_1117__en-us_topic_0141087358_p2464101611313"><a name="aom_02_1117__en-us_topic_0141087358_li174641216731"></a><a name="en-us_topic_0141087358_li174641216731"></a>For example, if a metric graph has points a, b, c, d, and e, where a = Null, b = Null, c = Null, d = Null, and e = 5, the value of the first breakpoint (that is, point a) is <strong id="aom_02_1117__en-us_topic_0141087358_b189593591913">5</strong>.</p>
</li><li id="aom_02_1117__en-us_topic_0141087358_li13464151616312">If the first breakpoint is in the middle of a metric graph, there are the following two scenarios:<p id="aom_02_1117__en-us_topic_0141087358_p134641716739"><a name="aom_02_1117__en-us_topic_0141087358_li13464151616312"></a><a name="en-us_topic_0141087358_li13464151616312"></a>Scenario 1: If the values of the previous and next points of the breakpoint are valid, the value of the breakpoint is the average value of these two points.</p>
<p id="aom_02_1117__en-us_topic_0141087358_p146419169320">For example, if a metric graph has points a, b, c, d, and e, where a = 1, b = Null, c = 3, d = Null, and e = 5, the value of the first breakpoint (that is, point b) is (a + c)/2 = (1 + 3)/2 = 2.</p>
<p id="aom_02_1117__en-us_topic_0141087358_p3464171613311">Scenario 2: If the value of the previous point of the breakpoint is valid and the value of its next point is null, the value of the breakpoint is the average value of its previous point and the first valid data from its next point to the right.</p>
<p id="aom_02_1117__en-us_topic_0141087358_p54649166320">For example, if a metric graph has points a, b, c, d, and e, where a = 1, b = Null, c = Null, d = Null, and e = 5, the value of the first breakpoint (that is, point b) is (a + e)/2= (1 + 5)/2 = 3. Because values are interpolated for breakpoints from left to right, the value of the second breakpoint (that is, point c) is (b + e)/2 = (3 + 5)/2 = 4, the value of the third breakpoint (that is, point d) is (c + e)/2 = (4 + 5)/2 = 4.5.</p>
</li><li id="aom_02_1117__en-us_topic_0141087358_li446412161532">If the first breakpoint is at the end of a metric graph, the value of the breakpoint is the value of the previous point.<p id="aom_02_1117__en-us_topic_0141087358_p1447158202411"><a name="aom_02_1117__en-us_topic_0141087358_li446412161532"></a><a name="en-us_topic_0141087358_li446412161532"></a>For example, if a metric graph has points a, b, c, d, and e, where a = 1, b = 2, c = 3, d = 4, and e = Null, the value of the first breakpoint (that is, point e) is <strong id="aom_02_1117__en-us_topic_0141087358_b11531646817">4</strong>.</p>
</li><li id="aom_02_1117__en-us_topic_0141087358_li746520161430">If all points in a metric graph are breakpoints, the values of all these points are still <strong id="aom_02_1117__en-us_topic_0141087358_b152011433119">Null</strong>, even though you set the value of <strong id="aom_02_1117__b5804101210816">Interpolation Mode</strong> to <strong id="aom_02_1117__b478721617814">Average</strong>.<p id="aom_02_1117__en-us_topic_0141087358_p861765313246">For example, if a metric graph has points a, b, c, d, and e, where a = Null, b = Null, c = Null, d = Null, and e = Null, the values of all breakpoints are <strong id="aom_02_1117__en-us_topic_0141087358_b1994120535213">Null</strong>.</p>
</li></ul>
</div></div>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0001.html">View Management</a></div>
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<h1 class="topictitle1">Monitoring Workloads</h1>
<div id="body8662426"><p id="aom_02_2007__en-us_topic_0141087171_p12811655123317">AOM enables you to monitor workloads deployed on Cloud Container Engine (CCE).</p>
<div class="section" id="aom_02_2007__section36211948143011"><h4 class="sectiontitle">Precautions</h4><p id="aom_02_2007__p6323102105">The workload status can be <strong id="aom_02_2007__b954710361343">Normal</strong>, <strong id="aom_02_2007__b1455673653418">Abnormal</strong>, <strong id="aom_02_2007__b115561367346">Warning</strong>, <strong id="aom_02_2007__b755683633412">Silent</strong>, or <strong id="aom_02_2007__b1855663673420">Deleted</strong>. If a workload generates a threshold alarm or is abnormal due to a network exception, host power-off, or shutdown, the workload status becomes <strong id="aom_02_2007__b1175992716354">Abnormal</strong>. For more information, see <a href="aom_02_1012.html">What Can I Do If Resources Are Not Running Properly?</a>.</p>
</div>
<div class="section" id="aom_02_2007__section16679171518164"><h4 class="sectiontitle">Procedure</h4><ol id="aom_02_2007__en-us_topic_0141087171_ol60779388"><li id="aom_02_2007__en-us_topic_0141087171_li12213172255917"><span>Log in to the management console.</span></li><li id="aom_02_2007__en-us_topic_0141087171_li192142026145911"><span>Under <strong id="aom_02_2007__en-us_topic_0141087171_b19766841413">Application</strong>, click <strong id="aom_02_2007__en-us_topic_0141087171_b197681441744">Application Operations Management</strong>.</span></li><li id="aom_02_2007__en-us_topic_0141087171_li10143581"><span>In the navigation pane, choose <strong id="aom_02_2007__en-us_topic_0141087171_b11489186843">Workload Monitoring</strong>.</span><p><p id="aom_02_2007__en-us_topic_0141087171_p6828122092715">The workload list displays the status, CPU usage, and memory usage of each workload, helping you learn the running status of each workload.</p>
</p></li><li id="aom_02_2007__en-us_topic_0141087171_li19961642309"><span>Set filter criteria to search for a desired workload.</span></li><li id="aom_02_2007__en-us_topic_0141087171_li141641166373"><span>Click the workload to enter its details page. AOM supports drill-down from a workload to an instance, and then to a container. By viewing the status of each layer, you can monitor the workload in a multi-dimensional manner.</span><p><ul id="aom_02_2007__en-us_topic_0141087171_ul9875054192918"><li id="aom_02_2007__en-us_topic_0141087171_li18875105422918">On the <strong id="aom_02_2007__b121999218213">Resource List</strong> page, view instance status, CPU usage, and physical memory usage, as shown in the following figure.<div class="p" id="aom_02_2007__en-us_topic_0141087171_p036431218254"><span><img id="aom_02_2007__en-us_topic_0141087171_image11690184817264" src="en-us_image_0000001366881660.png" width="492.1" height="168.260029" title="Click to enlarge" class="imgResize"></span><div class="note" id="aom_02_2007__en-us_topic_0141087171_note175806912512"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="aom_02_2007__en-us_topic_0141087171_p358039192513">Click an instance to monitor information such as resource usage and health status.</p>
</div></div>
</div>
</li></ul>
<ul id="aom_02_2007__en-us_topic_0141087171_ul4875954202913"><li id="aom_02_2007__en-us_topic_0141087171_li13875354182916">Click the <strong id="aom_02_2007__en-us_topic_0141087171_b954912108198">View Monitor Graphs</strong> tab to view the metrics of the workload, such as the CPU usage and memory usage, as shown in the following figure.<p id="aom_02_2007__en-us_topic_0141087171_p14943201793119"><span><img id="aom_02_2007__en-us_topic_0141087171_image9235181953118" src="en-us_image_0000001417801529.png" width="492.1" height="248.07665400000002" title="Click to enlarge" class="imgResize"></span></p>
<ul id="aom_02_2007__en-us_topic_0141087171_ul1177717441999"><li id="aom_02_2007__en-us_topic_0141087171_li6535321514"><strong id="aom_02_2007__en-us_topic_0141087171_b95021357122420">Creating a view template</strong><p id="aom_02_2007__en-us_topic_0141087171_p19535921019">AOM provides a default view template (<strong id="aom_02_2007__b16472517124612">Service Template</strong>) that can be modified. You can also click the plus sign (+) in <span><img id="aom_02_2007__en-us_topic_0141087171_image109641941131213" src="en-us_image_0000001417721645.png"></span> to customize view templates.</p>
</li><li id="aom_02_2007__en-us_topic_0141087171_li7535821216"><strong id="aom_02_2007__en-us_topic_0141087171_b199186092512">Adding a metric graph</strong><p id="aom_02_2007__en-us_topic_0141087171_p145353213114">You can click <span><img id="aom_02_2007__en-us_topic_0141087171_image1875178586" src="en-us_image_0201820799.png" width="NaN" height="NaN" title="Click to enlarge" class="imgResize"></span> to add a line graph or <span><img id="aom_02_2007__en-us_topic_0141087171_image14358181515820" src="en-us_image_0201820725.png" width="NaN" height="NaN" title="Click to enlarge" class="imgResize"></span> to add a digit graph to the view template. You can also delete, move, and copy metric graphs in the view template according to <a href="aom_02_0003.html">Dashboard</a>.</p>
</li><li id="aom_02_2007__en-us_topic_0141087171_li1535162010"><strong id="aom_02_2007__en-us_topic_0141087171_b176917422517">Adding a view template to a dashboard</strong><p id="aom_02_2007__en-us_topic_0141087171_p1753510219112">On the workload details page, choose <strong id="aom_02_2007__en-us_topic_0141087171_b1820415162511">More</strong> &gt; <strong id="aom_02_2007__en-us_topic_0141087171_b020414522518">Add To Dashboard</strong> in the upper right corner to add the view template to a dashboard for monitoring.</p>
</li></ul>
</li></ul>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0048.html">Resource Monitoring</a></div>
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<h1 class="topictitle1">ICAgent Management</h1>
<div id="body8662426"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="aom_02_2012.html">Installing the ICAgent</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_2013.html">Upgrading the ICAgent</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_2014.html">Uninstalling the ICAgent</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_0068.html">Configuration Management</a></div>
</div>
</div>

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<h1 class="topictitle1">Installing the ICAgent</h1>
<div id="body8662426"><p id="aom_02_2012__en-us_topic_0141087170_p12833938155012">ICAgent is the collector of AOM. It runs on each host to collect metrics and logs in real time. Before using AOM, install the ICAgent. Otherwise, AOM cannot be used.</p>
<div class="section" id="aom_02_2012__en-us_topic_0141087170_section1296591420515"><h4 class="sectiontitle">VM Mode</h4><p id="aom_02_2012__en-us_topic_0141087170_p58261618510"><strong id="aom_02_2012__en-us_topic_0141087170_b76492717497">Prerequisite</strong></p>
<ul id="aom_02_2012__ul033453513219"><li id="aom_02_2012__li13341835132117">Before installing the ICAgent, ensure that the time and time zone of the local browser are consistent with those of the server. Otherwise, metric data of services and servers displayed on the console may be inaccurate.</li><li id="aom_02_2012__li491417362212">You have obtained an AK/SK. For details, see <a href="aom_02_1100.html">Obtaining an AK/SK</a>.</li></ul>
<p id="aom_02_2012__en-us_topic_0141087170_p11192143715919"><strong id="aom_02_2012__en-us_topic_0141087170_b203611491508">Procedure</strong></p>
</div>
<ol id="aom_02_2012__en-us_topic_0141087170_oed88567efe204e1ab4cc957cdc73a661"><li id="aom_02_2012__en-us_topic_0141087170_li387093517212"><span>Log in to the management console.</span></li><li id="aom_02_2012__en-us_topic_0141087170_li1164513401928"><span>Under <strong id="aom_02_2012__en-us_topic_0141087170_b14886142916349">Application</strong>, click <strong id="aom_02_2012__en-us_topic_0141087170_b1389102983418">Application Operations Management</strong>.</span></li><li id="aom_02_2012__en-us_topic_0141087170_li5111193420587"><span>In the navigation pane, choose <strong id="aom_02_2012__en-us_topic_0141087170_b176621237165016">Agent Management</strong>.</span></li><li id="aom_02_2012__en-us_topic_0141087170_l1798ed52530b47539e96d4505087a487"><span>Select <strong id="aom_02_2012__b128971633135810">Other: user-defined nodes</strong>, and click <strong id="aom_02_2012__b1290383318587">Install ICAgent</strong>.</span></li><li id="aom_02_2012__en-us_topic_0141087170_l836b10183bf24ed1b45ac06d86ee8f81"><a name="aom_02_2012__en-us_topic_0141087170_l836b10183bf24ed1b45ac06d86ee8f81"></a><a name="en-us_topic_0141087170_l836b10183bf24ed1b45ac06d86ee8f81"></a><span>Generate and copy the ICAgent installation command.</span></li><li id="aom_02_2012__en-us_topic_0141087170_lc402f063955f4ae4b49741a77bed450e"><span>Use a remote login tool, such as PuTTY, to log in as the <strong id="aom_02_2012__b6685113315582">root</strong> user to the server where the ICAgent is to be installed, run the command copied in <a href="#aom_02_2012__en-us_topic_0141087170_l836b10183bf24ed1b45ac06d86ee8f81">5</a>, and enter the obtained AK/SK as prompted to install the ICAgent.</span><p><div class="note" id="aom_02_2012__en-us_topic_0141087170_nb5d934cb98964e6ab2e2e1983ec8b14a"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="aom_02_2012__en-us_topic_0141087170_u8000f592e1e44120b884cdc0af3b4110"><li id="aom_02_2012__en-us_topic_0141087170_l1735f023e2e340509ad4bdd829951563">If the message <strong id="aom_02_2012__b144742241443">ICAgent install success.</strong> is displayed, the ICAgent is successfully installed in the <strong id="aom_02_2012__en-us_topic_0141087170_b76011142175215">/opt/oss/servicemgr/</strong> directory. After the ICAgent is successfully installed, choose <strong id="aom_02_2012__b9792114413585">Agent Management</strong> in the navigation pane on the left, and select <strong id="aom_02_2012__b67921644115810">Other: user-defined nodes</strong> to view the ICAgent status of the server.</li><li id="aom_02_2012__en-us_topic_0141087170_l034e6322652c41dda971947707fc2680">If the ICAgent fails to be installed, uninstall it according to <a href="aom_02_2014.html">Uninstalling the ICAgent</a> and then install it again. If the problem persists, contact technical support.</li></ul>
</div></div>
</p></li></ol>
<div class="section" id="aom_02_2012__en-us_topic_0141087170_section4995172016514"><h4 class="sectiontitle">Container Mode</h4><p id="aom_02_2012__en-us_topic_0141087170_p13975525132">After a cluster is created on the Cloud Container Engine (CCE) console, the system automatically installs the ICAgent on all hosts in the cluster. After the ICAgent is uninstalled, install it again according to the following procedure:</p>
<ol id="aom_02_2012__en-us_topic_0141087170_od2b21f7b13d2451b89714053d3aecdc7"><li id="aom_02_2012__en-us_topic_0141087170_li486735912177"><span>Log in to the management console.</span></li><li id="aom_02_2012__en-us_topic_0141087170_li8867105901713"><span>Under <strong id="aom_02_2012__en-us_topic_0141087170_b13785183314117">Application</strong>, click <strong id="aom_02_2012__en-us_topic_0141087170_b578543317410">Application Operations Management</strong>.</span></li><li id="aom_02_2012__en-us_topic_0141087170_lc22ab92c4c4e448dba4a92a8bb432f14"><span>In the navigation pane, choose <strong id="aom_02_2012__en-us_topic_0141087170_b15839944111114">Agent Management</strong>.</span></li><li id="aom_02_2012__en-us_topic_0141087170_li29461595316"><span>Install the ICAgent. The ICAgent is installed in batches by cluster. That is, the ICAgent is installed on all hosts in a cluster at a time.</span><p><ol type="a" id="aom_02_2012__en-us_topic_0141087170_ol185573304216"><li id="aom_02_2012__en-us_topic_0141087170_li055713017211">Select <strong id="aom_02_2012__en-us_topic_0141087170_b253319541531">Cluster: xxx</strong> (<strong id="aom_02_2012__en-us_topic_0141087170_b85337541317">xxx</strong> indicates the name of the cluster created on the CCE console) from the drop-down list on the right of the page.</li><li id="aom_02_2012__en-us_topic_0141087170_li555720302219">Click <strong id="aom_02_2012__en-us_topic_0141087170_b163216331848">Install ICAgent</strong>. In the displayed dialog box, click <strong id="aom_02_2012__en-us_topic_0141087170_b19720142413414">Yes</strong>.</li></ol>
<p id="aom_02_2012__en-us_topic_0141087170_en-us_topic_0089582115_p1414064416">The ICAgent begins to be installed. Please wait. When the ICAgent status changes from <strong id="aom_02_2012__en-us_topic_0141087170_b12396162412525">Installing</strong> to <strong id="aom_02_2012__en-us_topic_0141087170_b1440715247520">Running</strong>, the ICAgent is successfully installed.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_2011.html">ICAgent Management</a></div>
</div>
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<h1 class="topictitle1">Upgrading the ICAgent</h1>
<div id="body8662426"><p id="aom_02_2013__en-us_topic_0141087198_p202708754819">To ensure better collection experience, AOM will continuously upgrade ICAgent versions. When the system displays a message indicating that a new ICAgent version is available, perform the following operations:</p>
<ol id="aom_02_2013__en-us_topic_0141087198_od2b21f7b13d2451b89714053d3aecdc7"><li id="aom_02_2013__en-us_topic_0141087198_li6956020428"><span>Log in to the management console.</span></li><li id="aom_02_2013__en-us_topic_0141087198_li11920102410218"><span>Under <strong id="aom_02_2013__en-us_topic_0141087198_b107201532146">Application</strong>, click <strong id="aom_02_2013__en-us_topic_0141087198_b4721193181411">Application Operations Management</strong>.</span></li><li id="aom_02_2013__en-us_topic_0141087198_lc22ab92c4c4e448dba4a92a8bb432f14"><span>In the navigation pane, choose <strong id="aom_02_2013__en-us_topic_0141087198_b36091746146">Agent Management</strong>.</span></li><li id="aom_02_2013__en-us_topic_0141087198_li14141618299"><span>Upgrade the ICAgent. ICAgents are upgraded in batches by cluster. That is, ICAgents on all hosts in a cluster are upgraded at a time. For hosts where ICAgents have already been uninstalled, ICAgents are installed on them again.</span><p><ol type="a" id="aom_02_2013__en-us_topic_0141087198_ol49067451023"><li id="aom_02_2013__en-us_topic_0141087198_li890664519216">Select <strong id="aom_02_2013__en-us_topic_0141087198_b1126041513713">Cluster: xxx</strong> (<strong id="aom_02_2013__en-us_topic_0141087198_b1826015153714">xxx</strong> indicates the name of the cluster created on the CCE console) from the drop-down list on the right of the page.</li><li id="aom_02_2013__en-us_topic_0141087198_li6906945827">Click <strong id="aom_02_2013__en-us_topic_0141087198_b255110235712">Upgrade ICAgent</strong>. In the displayed dialog box, click <strong id="aom_02_2013__en-us_topic_0141087198_b05528231173">Yes</strong>.</li></ol>
<p id="aom_02_2013__en-us_topic_0141087198_en-us_topic_0089582115_p1414064416">The ICAgent begins to be upgraded. Please wait. When the ICAgent status changes from <strong id="aom_02_2013__en-us_topic_0141087198_b4555165225810">Upgrading</strong> to <strong id="aom_02_2013__en-us_topic_0141087198_b955511522581">Running</strong>, the ICAgent is successfully upgraded.</p>
</p></li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_2011.html">ICAgent Management</a></div>
</div>
</div>

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<h1 class="topictitle1">Uninstalling the ICAgent</h1>
<div id="body8662426"><p id="aom_02_2014__en-us_topic_0141087159_en-us_topic_0089582116_p912134511">After the ICAgent is uninstalled from a host, metric and log data is unavailable. Exercise caution when performing this operation.</p>
<ol id="aom_02_2014__en-us_topic_0141087159_o19f190c1e16a41ec9768ac644d0b06ab"><li id="aom_02_2014__en-us_topic_0141087159_li387093517212"><span>Log in to the management console.</span></li><li id="aom_02_2014__en-us_topic_0141087159_li1164513401928"><span>Under <strong id="aom_02_2014__en-us_topic_0141087159_b1580272819157">Application</strong>, click <strong id="aom_02_2014__en-us_topic_0141087159_b4803528151516">Application Operations Management</strong>.</span></li><li id="aom_02_2014__en-us_topic_0141087159_l57a92ebc101847978af58caa3817c701"><span>In the navigation pane, choose <strong id="aom_02_2014__en-us_topic_0141087159_b14481334161516">Agent Management</strong>.</span></li><li id="aom_02_2014__en-us_topic_0141087159_li128231112816"><span>Uninstall the ICAgent. The ICAgent is uninstalled in batches by cluster. That is, the ICAgent is uninstalled from all the hosts in a cluster at a time.</span><p><ol type="a" id="aom_02_2014__en-us_topic_0141087159_ol565815010315"><li id="aom_02_2014__en-us_topic_0141087159_li15658504313">Select <strong id="aom_02_2014__en-us_topic_0141087159_b1820419391172">Cluster: xxx</strong> (<strong id="aom_02_2014__en-us_topic_0141087159_b4205193913711">xxx</strong> indicates the name of the cluster created on the CCE console) from the drop-down list on the right of the page.</li><li id="aom_02_2014__en-us_topic_0141087159_li26591302036">Click <strong id="aom_02_2014__en-us_topic_0141087159_b705431072">Uninstall ICAgent</strong>. In the displayed dialog box, click <strong id="aom_02_2014__en-us_topic_0141087159_b1803431176">Yes</strong>.</li></ol>
<p id="aom_02_2014__en-us_topic_0141087159_p6740185612414">The ICAgent begins to be uninstalled. Please wait. When the ICAgent status changes from <strong id="aom_02_2014__en-us_topic_0141087159_b793722012713">Uninstalling</strong> to <strong id="aom_02_2014__en-us_topic_0141087159_b16950420102716">Uninstalled</strong>, the ICAgent is successfully uninstalled.</p>
</p></li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="aom_02_2011.html">ICAgent Management</a></div>
</div>
</div>

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<h1 class="topictitle1">User Guide</h1>
<div id="body0000001080975678"><p id="aom_06_6001__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0296826282.html">Process of Using AOM</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1041.html">Overview</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0001.html">View Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0044.html">Alarm Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0048.html">Resource Monitoring</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0054.html">Log Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_0068.html">Configuration Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1014.html">Metric Description</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="aom_02_1010.html">Related Services</a></strong><br>
</li>
</ul>
</div>

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