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Uploading CES UMM Documents for the First Time

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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Youyuan, Pan <panyouyuan@huawei.com>
Co-committed-by: Youyuan, Pan <panyouyuan@huawei.com>
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Youyuan, Pan 2022-11-15 09:04:08 +00:00 committed by zuul
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<h1 class="topictitle1">Creating a Monitoring Panel</h1>
<div id="body1505283060487"><p id="ces_01_0011__p1064113296154">You must create a monitoring panel before you add graphs. You can create a maximum of 20 monitoring panels.</p>
<div class="section" id="ces_01_0011__section71637619539"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0011__ol6165106105317"><li id="ces_01_0011__li892511921518">Log in to the management console.</li><li id="ces_01_0011__li37391840162">In the upper left corner, select a region and project.</li><li id="ces_01_0011__li92511347123915">Click <strong id="ces_01_0011__b1137717456513">Service List</strong> in the upper left corner, and select <strong id="ces_01_0011__b1637854535118">Cloud Eye</strong>.</li><li id="ces_01_0011__li16310121081612">In the navigation pane on the left, choose <strong id="ces_01_0011__b1199973401161527">Dashboard</strong> &gt; <strong id="ces_01_0011__b1735076175161540">Monitoring Panels</strong> and click <strong id="ces_01_0011__b1665061739201312">Create Panel</strong>.<p id="ces_01_0011__p731014109166">The <strong id="ces_01_0011__b842352706164837">Create Panel</strong> dialog box is displayed.</p>
</li><li id="ces_01_0011__li18168668538">Set the panel name.<p id="ces_01_0011__p174583110229"><a name="ces_01_0011__li18168668538"></a><a name="li18168668538"></a>Enter a maximum of 128 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.</p>
</li><li id="ces_01_0011__li63939357426">Click <strong id="ces_01_0011__b6125132212135">OK</strong>.</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
</div>
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<h1 class="topictitle1">Adding a Graph</h1>
<div id="body1505283060487"><p id="ces_01_0012__p38621596144924">After you create a panel, you can add graphs to the panel to monitor cloud services. Each panel supports up to 24 graphs.</p>
<p id="ces_01_0012__p33468948151822">You can add up to 20 metrics to one graph. Monitoring comparison between different services, dimensions, and metrics is supported.</p>
<div class="section" id="ces_01_0012__section57517183151922"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0012__ol595571518532"><li id="ces_01_0012__li892511921518">Log in to the management console.</li><li id="ces_01_0012__li37391840162">In the upper left corner, select a region and project.</li><li id="ces_01_0012__li92511347123915">Click <strong id="ces_01_0012__b532440135220">Service List</strong> in the upper left corner, and select <strong id="ces_01_0012__b1932411011527">Cloud Eye</strong>.</li></ol><ol start="4" id="ces_01_0012__ol31299315152016"><li id="ces_01_0012__li10311173152016">Choose <strong id="ces_01_0012__b842352706173330">Dashboard</strong> &gt; <strong id="ces_01_0012__b842352706173358">Monitoring Panels</strong>, switch to the desired panel, and click <strong id="ces_01_0012__b84235270615330">Add Graph</strong>.<p id="ces_01_0012__p13814143272018">The <strong id="ces_01_0012__b842352706174947">Add Graph</strong> dialog box is displayed.</p>
</li><li id="ces_01_0012__li49863010152016">Set parameters based on <a href="#ces_01_0012__table49303610201913">Table 1</a>.
<div class="tablenoborder"><a name="ces_01_0012__table49303610201913"></a><a name="table49303610201913"></a><table cellpadding="4" cellspacing="0" summary="" id="ces_01_0012__table49303610201913" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters</caption><thead align="left"><tr id="ces_01_0012__row45163464201913"><th align="left" class="cellrowborder" valign="top" width="24.240000000000002%" id="mcps1.3.3.3.2.2.2.3.1.1"><p id="ces_01_0012__p40822227201913"><strong id="ces_01_0012__b1994854291953">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="75.76%" id="mcps1.3.3.3.2.2.2.3.1.2"><p id="ces_01_0012__p18266111201913"><strong id="ces_01_0012__b521920591953">Description</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="ces_01_0012__row6669499513283"><td class="cellrowborder" valign="top" width="24.240000000000002%" headers="mcps1.3.3.3.2.2.2.3.1.1 "><p id="ces_01_0012__p6870278132834">Title</p>
</td>
<td class="cellrowborder" valign="top" width="75.76%" headers="mcps1.3.3.3.2.2.2.3.1.2 "><p id="ces_01_0012__p19621674132834">Specifies the title of the graph to be added. Only letters, digits, underscores (_), and hyphens (-) are allowed. Enter a maximum of 128 characters.</p>
<p id="ces_01_0012__p128567468134">Example value: <strong id="ces_01_0012__b492214463477">widget-axaj</strong></p>
</td>
</tr>
<tr id="ces_01_0012__row28440509201913"><td class="cellrowborder" valign="top" width="24.240000000000002%" headers="mcps1.3.3.3.2.2.2.3.1.1 "><p id="ces_01_0012__p21979859201913">Resource Type</p>
</td>
<td class="cellrowborder" valign="top" width="75.76%" headers="mcps1.3.3.3.2.2.2.3.1.2 "><p id="ces_01_0012__p35538154201913">Specifies the type of the resource to be monitored.</p>
<p id="ces_01_0012__p11644723141314">Example value: <strong id="ces_01_0012__b23205568488">Elastic Cloud Server</strong></p>
</td>
</tr>
<tr id="ces_01_0012__row3263078104332"><td class="cellrowborder" valign="top" width="24.240000000000002%" headers="mcps1.3.3.3.2.2.2.3.1.1 "><p id="ces_01_0012__p48647122104335">Dimension</p>
</td>
<td class="cellrowborder" valign="top" width="75.76%" headers="mcps1.3.3.3.2.2.2.3.1.2 "><p id="ces_01_0012__p48102820104335">Specifies the metric dimension.</p>
<p id="ces_01_0012__p113831532121317">Example value: <strong id="ces_01_0012__b457400151813">ECSs</strong></p>
</td>
</tr>
<tr id="ces_01_0012__row4738957214147"><td class="cellrowborder" valign="top" width="24.240000000000002%" headers="mcps1.3.3.3.2.2.2.3.1.1 "><p id="ces_01_0012__p5938641614154">Monitored Object</p>
</td>
<td class="cellrowborder" valign="top" width="75.76%" headers="mcps1.3.3.3.2.2.2.3.1.2 "><p id="ces_01_0012__p4557041614154">Specifies the monitored objects of the metric.</p>
<p id="ces_01_0012__p15435131138">You can select a maximum of 20 monitored objects at a time.</p>
</td>
</tr>
<tr id="ces_01_0012__row3293048201913"><td class="cellrowborder" valign="top" width="24.240000000000002%" headers="mcps1.3.3.3.2.2.2.3.1.1 "><p id="ces_01_0012__p65410311201913">Metric</p>
</td>
<td class="cellrowborder" valign="top" width="75.76%" headers="mcps1.3.3.3.2.2.2.3.1.2 "><p id="ces_01_0012__p63743827201913">Specifies the metric name.</p>
<p id="ces_01_0012__p1879315051419">Example value: <strong id="ces_01_0012__b1384114441144">CPU Usage</strong></p>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="ces_01_0012__li18067253162055">Click <strong id="ces_01_0012__b842352706174121">OK</strong>.<p id="ces_01_0012__p30834743162057">On the selected panel, you can view the trends of the new graph. If you hover your mouse on the graph and click <span><img id="ces_01_0012__image208011629193811" src="en-us_image_0239514208.png"></span>, you can view detailed metric data comparison.</p>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
</div>
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<h1 class="topictitle1">Viewing a Graph</h1>
<div id="body1505283060487"><p id="ces_01_0013__p6198999720224">After you add a graph, you can view the metric trends on the <strong id="ces_01_0013__b5728181210175">Monitoring Panels</strong> page. The system provides you both default and customizable time ranges to view trends from last month. This topic describes how to view trends for a longer time range.</p>
<div class="section" id="ces_01_0013__section35214515133120"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0013__ol47127442378"><li id="ces_01_0013__li892511921518">Log in to the management console.</li><li id="ces_01_0013__li37391840162">In the upper left corner, select a region and project.</li><li id="ces_01_0013__li92511347123915">Click <strong id="ces_01_0013__b145937133535">Service List</strong> in the upper left corner, and select <strong id="ces_01_0013__b959451318535">Cloud Eye</strong>.</li><li id="ces_01_0013__li1958244111513">Choose <strong id="ces_01_0013__b46316247259">Dashboard</strong> &gt; <strong id="ces_01_0013__b1814511286258">Monitoring Panels</strong>.<div class="p" id="ces_01_0013__p29943450151">You can view all monitoring graphs on the current monitoring panel.<div class="note" id="ces_01_0013__note205251502445"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="ces_01_0013__ul1193211582215"><li id="ces_01_0013__li119323580214">You can sort graphs by dragging them.</li><li id="ces_01_0013__li1556101162211">You can click <strong id="ces_01_0013__b468112018274">1h</strong>, <strong id="ces_01_0013__b1655615322711">3h</strong>, <strong id="ces_01_0013__b1883311612271">12h</strong>, <strong id="ces_01_0013__b6394101017277">1d</strong>, or <strong id="ces_01_0013__b1271514192715">7d</strong> in the upper part of monitoring graphs to switch the monitoring periods of all graphs on the monitoring panel. By default, raw metric data is displayed for <strong id="ces_01_0013__b47601243175917">1h</strong>, and the aggregated metric data is displayed for other periods.</li></ul>
</div></div>
</div>
</li><li id="ces_01_0013__li298944923912">Hover your mouse over a graph. In the upper right corner, click <span><img id="ces_01_0013__image1031410520380" src="en-us_image_0239514842.png"></span> to view monitoring details on an enlarged graph. You can select a time period or customize a time range to view the metric trend in a specific monitoring interval.<p id="ces_01_0013__p4292618019542">If you select <strong id="ces_01_0013__b842352706181851">1h</strong>, Cloud Eye displays raw data from the last hour by default; if you select any of the other time periods, Cloud Eye displays rolled-up data.</p>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
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<h1 class="topictitle1">Configuring a Graph</h1>
<div id="body1505283060487"><p id="ces_01_0014__p3362488414146">This topic describes how to add, modify, and delete metrics on graphs.</p>
<div class="section" id="ces_01_0014__section25055851141356"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0014__ol595571518532"><li id="ces_01_0014__li892511921518">Log in to the management console.</li><li id="ces_01_0014__li6269238113115">In the upper left corner, select a region and project.</li><li id="ces_01_0014__li9869841163111">Click <strong id="ces_01_0014__b3781327125316">Service List</strong> in the upper left corner, and select <strong id="ces_01_0014__b18793274536">Cloud Eye</strong>.</li><li id="ces_01_0014__li183001149103116">In the navigation pane on the left, choose <strong id="ces_01_0014__b132301611152">Dashboard</strong> &gt; <strong id="ces_01_0014__b202311867158">Monitoring Panels</strong>, select the target panel and graph, and click the configure icon.<p id="ces_01_0014__p166881357194310">On the displayed <strong id="ces_01_0014__b7773816152">Configure Graph</strong> dialog box, you can edit the graph title and add new metrics. You can also delete or modify the current metrics.</p>
<div class="note" id="ces_01_0014__note2389526294243"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="ces_01_0014__p1373077194243">You can add up to 20 metrics to a single monitoring graph.</p>
</div></div>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
</div>
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<h1 class="topictitle1">Deleting a Graph</h1>
<div id="body1508644401309"><ol id="ces_01_0015__ol595571518532"><li id="ces_01_0015__li892511921518">Log in to the management console.</li><li id="ces_01_0015__li249286163217">In the upper left corner, select a region and project.</li><li id="ces_01_0015__li1138711993213">Click <strong id="ces_01_0015__b4848194425310">Service List</strong> in the upper left corner, and select <strong id="ces_01_0015__b2085711449537">Cloud Eye</strong>.</li><li id="ces_01_0015__li1063382713327">In the navigation pane on the left, choose <strong id="ces_01_0015__b176255618201">Dashboard</strong> &gt; <strong id="ces_01_0015__b126263610206">Monitoring Panels</strong>.</li><li id="ces_01_0015__li95785305324">Select the monitoring panel from which you want to delete a graph.</li><li id="ces_01_0015__li11450203303215">Hover your mouse on the target graph and click the trash icon in the upper right corner.</li><li id="ces_01_0015__li323063683215">In the displayed <strong id="ces_01_0015__b172091010172019">Delete Graph</strong> dialog box, click <strong id="ces_01_0015__b22101610102016">Yes</strong>.</li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
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<h1 class="topictitle1">Deleting a Monitoring Panel</h1>
<div id="body1506149123658"><p id="ces_01_0016__p1314304016125">To re-plan graphs on a panel, you can delete the existing panel. After you delete a panel, all graphs added to it will be deleted.</p>
<div class="section" id="ces_01_0016__section30227326144949"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0016__ol7316605143738"><li id="ces_01_0016__li892511921518">Log in to the management console.</li><li id="ces_01_0016__li37391840162">In the upper left corner, select a region and project.</li><li id="ces_01_0016__li92511347123915">Click <strong id="ces_01_0016__b94219965419">Service List</strong> in the upper left corner, and select <strong id="ces_01_0016__b2432912542">Cloud Eye</strong>.</li><li id="ces_01_0016__li9343206125810">In the navigation pane on the left, choose <strong id="ces_01_0016__b72721532162114">Dashboard</strong> &gt; <strong id="ces_01_0016__b32741032122116">Monitoring Panels</strong>.</li><li id="ces_01_0016__li1410712819427">Select the monitoring panel on which the graph to be deleted is located.</li><li id="ces_01_0016__li8121329114218">Click <strong id="ces_01_0016__b0659334142113">Delete</strong>.</li><li id="ces_01_0016__li5918142917426">In the displayed <strong id="ces_01_0016__b35939199460">Delete Monitoring Panel</strong> dialog box, click <strong id="ces_01_0016__b759361904611">Yes</strong>.</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0135551322.html">Monitoring Panels</a></div>
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<h1 class="topictitle1">Using the Alarm Function</h1>
<div id="body1539685454854"><p id="ces_01_0067__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="ces_01_0068.html">Introduction to the Alarm Function</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0069.html">Creating Alarm Notification Topics</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0073.html">Creating Alarm Rules</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0076.html">Viewing Alarm Records</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0077.html">Alarm Rule Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0082.html">Alarm Templates</a></strong><br>
</li>
</ul>
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<h1 class="topictitle1">Introduction to the Alarm Function</h1>
<div id="body1508241275623"><p id="ces_01_0068__p5646298111515">You can set alarm rules for key metrics of cloud services. When the conditions in the alarm rule are met, Cloud Eye sends emails, or text messages, or sends HTTP/HTTPS messages, enabling you to quickly respond to resource changes.</p>
<p id="ces_01_0068__p330365112167">Cloud Eye invokes SMN APIs to send notifications. This requires you to create a topic and add subscriptions to this topic on the SMN console. Then, when you create alarm rules on Cloud Eye, you can enable the alarm notification function and select the topic. When alarm rule conditions are met, Cloud Eye sends the alarm information to subscription endpoints in real time.</p>
<div class="note" id="ces_01_0068__note4930455418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="ces_01_0068__p1219195713115">If no alarm notification topic is created, alarm notifications will be sent to the default email address of the login account.</p>
</div></div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
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<h1 class="topictitle1">Creating Alarm Notification Topics</h1>
<div id="body1510745904777"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0085216039.html">Creating a Topic</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0084572343.html">Adding Subscriptions</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
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<h1 class="topictitle1">Creating Alarm Rules</h1>
<div id="body1544682456388"><p id="ces_01_0073__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0015479880.html">Introduction to Alarm Rules</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0084572213.html">Creating an Alarm Rule by Using an Alarm Template</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0074.html">Creating an Alarm Rule for a Specific Metric</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
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<h1 class="topictitle1">Viewing Alarm Records</h1>
<div id="body8662426"><p id="ces_01_0076__p1042175421535">The alarm records display the status changes of all alarm rules in the last 30 days.</p>
<p id="ces_01_0076__p19735101118114">When an alarm is generated, you can view the alarm details about the cloud resource.</p>
<div class="section" id="ces_01_0076__sc2a462f2cf844409850152a9cd6ece37"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0076__ol1214184311916"><li id="ces_01_0076__li61828442169">Log in to the management console.</li><li id="ces_01_0076__li7659066161639">In the upper left corner, select a region and project.</li><li id="ces_01_0076__li92511347123915">Click <strong id="ces_01_0076__b14675734133">Service List</strong> in the upper left corner, and select <strong id="ces_01_0076__b176753341932">Cloud Eye</strong>.</li><li id="ces_01_0076__li2083345721617">Choose <strong id="ces_01_0076__b842352706145142">Alarm Management</strong> &gt; <strong id="ces_01_0076__b57783275122455">Alarm Records</strong>.<p id="ces_01_0076__p676075313221">On the <strong id="ces_01_0076__b17711339143613">Alarm Records</strong> page, you can view the status changes of all alarm rules from the last 7 days.</p>
<div class="note" id="ces_01_0076__note1845822272617"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="ces_01_0076__ul202371258486"><li id="ces_01_0076__li102371525194810">You can select a time range to search for the alarm records.</li><li id="ces_01_0076__li1130612962614">In the upper right corner of the alarm record list, you can filter the alarm records by the alarm rule name, resource ID, and alarm rule ID.</li></ul>
</div></div>
</li><li id="ces_01_0076__li1109630102214">Click the target alarm rule to go to the <strong id="ces_01_0076__b84235270692046_3">Alarm Rules</strong> page. In the lower part of the <strong id="ces_01_0076__b1689283086171459">Alarm Records</strong> area, you can view the history of the selected alarm rule from the last 30 days.<div class="p" id="ces_01_0076__p181481002153">In the alarm record list, you can check whether resources are abnormal and handle the exceptions, if any.<div class="note" id="ces_01_0076__note12275156151418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="ces_01_0076__ul5274155618147"><li id="ces_01_0076__li112748564145">Typically, alarms are triggered based on calculation. Therefore, the alarm triggering time may be a few seconds later than the time the threshold was reached.</li><li id="ces_01_0076__li527413566149">If you have created or modified an alarm rule after obtaining the monitoring data and an alarm is triggered, the alarm triggering time is the time when you created or modified the alarm rule.</li></ul>
</div></div>
</div>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
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<h1 class="topictitle1">Alarm Rule Management</h1>
<div id="body1508241275624"><p id="ces_01_0077__p64894289192015">This topic describes how to manage alarm rules as your system grows.</p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="ces_01_0078.html">Modifying an Alarm Rule</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0079.html">Disabling Alarm Rules</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0080.html">Enabling Alarm Rules</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0081.html">Deleting Alarm Rules</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
</div>
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<h1 class="topictitle1">Modifying an Alarm Rule</h1>
<div id="body1505283060488"><div class="section" id="ces_01_0078__section61671706161623"><h4 class="sectiontitle">Procedure</h4><ol id="ces_01_0078__ol274011505299"><li id="ces_01_0078__li892511921518">Log in to the management console.</li><li id="ces_01_0078__li99852041171819">In the upper left corner, select a region and project.</li><li id="ces_01_0078__li92511347123915">Click <strong id="ces_01_0078__b942611562312">Service List</strong> in the upper left corner, and select <strong id="ces_01_0078__b114268561935">Cloud Eye</strong>.</li><li id="ces_01_0078__li5657148101810">Choose <strong id="ces_01_0078__b842352706145142">Alarm Management</strong> &gt; <strong id="ces_01_0078__b57783275122455">Alarm Rules</strong>.</li><li id="ces_01_0078__li15946220173017">On the displayed <strong id="ces_01_0078__b935855173518">Alarm Rules</strong> page, use either of the following two methods to modify an alarm rule:<ul id="ces_01_0078__ul199461720193020"><li id="ces_01_0078__li15946142013309">Locate the row containing the alarm rule you want to modify, click <strong id="ces_01_0078__b105208854914">More</strong> in the <strong id="ces_01_0078__b113311127496">Operation</strong> column, and choose <strong id="ces_01_0078__b142481181491">Modify</strong>.</li><li id="ces_01_0078__li1194602016307">Click the name of the alarm rule you want to modify. On the page displayed, click <strong id="ces_01_0078__b84235270692357_1">Modify</strong> in the upper right corner.</li></ul>
</li><li id="ces_01_0078__li1588571618328">On the <strong id="ces_01_0078__b900798972">Modify Alarm Rule</strong> page, modify alarm rule parameters as needed.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ces_01_0078__table17926101914192" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters</caption><thead align="left"><tr id="ces_01_0078__row1092718193198"><th align="left" class="cellrowborder" valign="top" width="26.63%" id="mcps1.3.1.2.6.2.2.4.1.1"><p id="ces_01_0078__p109272193193">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="54.25%" id="mcps1.3.1.2.6.2.2.4.1.2"><p id="ces_01_0078__p1992731921913">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="19.12%" id="mcps1.3.1.2.6.2.2.4.1.3"><p id="ces_01_0078__p149271019141912">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_01_0078__row149301019131919"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p8930171913191">Name</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p993013197198">Specifies the alarm rule name. The system generates a random name, which you can modify.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p4930171915194">alarm-b6al</p>
</td>
</tr>
<tr id="ces_01_0078__row793119191192"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p29318192193">Description</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p5931201911913">(Optional) Provides supplementary information about the alarm rule.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p0931319151917">N/A</p>
</td>
</tr>
<tr id="ces_01_0078__row19331519151919"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p1893381911919">Monitored Object</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p2933201991911">Specifies the resource the alarm rule is created for. You can specify one or more resources.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p4933191916199">N/A</p>
</td>
</tr>
<tr id="ces_01_0078__row179341319111912"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p139354196196">Metric</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p8935121981918">For example:</p>
<ul id="ces_01_0078__ul10935191920199"><li id="ces_01_0078__li9935121918199">CPU Usage<p id="ces_01_0078__p17935111921915"><a name="ces_01_0078__li9935121918199"></a><a name="li9935121918199"></a>Indicates the CPU usage of the monitored object in percent.</p>
</li></ul>
<ul id="ces_01_0078__ul16936121915198"><li id="ces_01_0078__li19936131912193">Memory Usage<p id="ces_01_0078__p0937161913197"><a name="ces_01_0078__li19936131912193"></a><a name="li19936131912193"></a>Indicates the memory usage of the monitored object in percent.</p>
</li></ul>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p1693711911916">N/A</p>
</td>
</tr>
<tr id="ces_01_0078__row146141650115516"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p19919125115513">Alarm Policy</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p1922251175510">Specifies the policy for triggering an alarm.</p>
<p id="ces_01_0078__p1692365111550">For example, an alarm is triggered if the average value of the monitored metric is 80% or more for three consecutive 5-minute periods.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p492725155515">N/A</p>
</td>
</tr>
<tr id="ces_01_0078__row388575114916"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p175502053154914">Alarm Severity</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p14553105374912">Specifies the alarm severity, which can be <strong id="ces_01_0078__b3571227121312">Critical</strong>, <strong id="ces_01_0078__b0571102761313">Major</strong>, <strong id="ces_01_0078__b18571527181315">Minor</strong>, or <strong id="ces_01_0078__b1557122741314">Informational</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p14555353134912">Major</p>
</td>
</tr>
<tr id="ces_01_0078__row19939141916195"><td class="cellrowborder" valign="top" width="26.63%" headers="mcps1.3.1.2.6.2.2.4.1.1 "><p id="ces_01_0078__p119391619141910">Alarm Notification</p>
</td>
<td class="cellrowborder" valign="top" width="54.25%" headers="mcps1.3.1.2.6.2.2.4.1.2 "><p id="ces_01_0078__p189391419101919">Specifies whether to notify users when alarms are triggered. Notifications can be sent by email, text message, or HTTP/HTTPS message.</p>
</td>
<td class="cellrowborder" valign="top" width="19.12%" headers="mcps1.3.1.2.6.2.2.4.1.3 "><p id="ces_01_0078__p12939111921911">N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</li></ol><ol start="7" id="ces_01_0078__ol3818877412145"><li id="ces_01_0078__li40123375162631">Click <strong id="ces_01_0078__b842352706165951">OK</strong>.</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0077.html">Alarm Rule Management</a></div>
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<h1 class="topictitle1">Disabling Alarm Rules</h1>
<div id="body1508646858704"><p id="ces_01_0079__p1271730311">To disable a single alarm rule, go to the <strong id="ces_01_0079__b1914580133617">Alarm Rules</strong> page, locate the row containing the alarm rule you want to disable, and click <strong id="ces_01_0079__b171454073614">Disable</strong> in the <strong id="ces_01_0079__b8146807361">Operation</strong> column. In the displayed <strong id="ces_01_0079__b1814712093619">Disable</strong> <strong id="ces_01_0079__b81486073610">Alarm Rule</strong> dialog box, click <strong id="ces_01_0079__b814719013611">Yes</strong>.</p>
<p id="ces_01_0079__p1946511341714">To disable multiple alarm rules, go to the <strong id="ces_01_0079__b11126103283618">Alarm Rules</strong> page, select multiple alarm rules, and click <strong id="ces_01_0079__b01272032183619">Disable</strong> in the upper left of the alarm rule list. In the displayed <strong id="ces_01_0079__b18441143105611">Disable</strong> <strong id="ces_01_0079__b1844118355611">Alarm Rule</strong> dialog box, click <strong id="ces_01_0079__b104415355610">Yes</strong>.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0077.html">Alarm Rule Management</a></div>
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<h1 class="topictitle1">Enabling Alarm Rules</h1>
<div id="body1508646858704"><p id="ces_01_0080__p103607520215">To enable a single alarm rule, go to the <strong id="ces_01_0080__b1464411912371">Alarm Rules</strong> page, locate the row containing the alarm rule you want to enable, and click <strong id="ces_01_0080__b11645169133716">Enable</strong> in the <strong id="ces_01_0080__b1064510943712">Operation</strong> column. In the displayed <strong id="ces_01_0080__b18646995373">Enable</strong> <strong id="ces_01_0080__b1464718912377">Alarm Rule</strong> dialog box, click <strong id="ces_01_0080__b9646159143713">Yes</strong>.</p>
<p id="ces_01_0080__p33600528217">To enable multiple alarm rules, go to the <strong id="ces_01_0080__b12979131611382">Alarm Rules</strong> page, select multiple alarm rules, and click <strong id="ces_01_0080__b8396111273712">Enable</strong> in the upper left of the alarm rule list. In the displayed <strong id="ces_01_0080__b9186191915587">Enable</strong> <strong id="ces_01_0080__b1318641916581">Alarm Rule</strong> dialog box, click <strong id="ces_01_0080__b8186619115817">Yes</strong>.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0077.html">Alarm Rule Management</a></div>
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<h1 class="topictitle1">Deleting Alarm Rules</h1>
<div id="body1508647261816"><p id="ces_01_0081__p1728583346">To delete a single alarm rule, go to the <strong id="ces_01_0081__b1625192720254">Alarm Rules</strong> page, locate the row containing the alarm rule you want to delete, click <strong id="ces_01_0081__b176163344419">More</strong> in the <strong id="ces_01_0081__b11253727172518">Operation</strong> column, and choose <strong id="ces_01_0081__b1225322717258">Delete</strong>. In the displayed <strong id="ces_01_0081__b025415279251">Delete Alarm Rule</strong> dialog box, click <strong id="ces_01_0081__b1125432719252">Yes</strong>.</p>
<p id="ces_01_0081__p428513042">To delete multiple alarm rules, go to the <strong id="ces_01_0081__b1345633272517">Alarm Rules</strong> page, select multiple alarm rules, and click <strong id="ces_01_0081__b184565324251">Delete</strong> in the upper left of the alarm rule list. In the displayed <strong id="ces_01_0081__b1559102585112">Delete Alarm Rule</strong> dialog box, click <strong id="ces_01_0081__b95911925145119">Yes</strong>.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0077.html">Alarm Rule Management</a></div>
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<h1 class="topictitle1">Alarm Templates</h1>
<div id="body1539682290457"><p id="ces_01_0082__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0077185772.html">Viewing Alarm Templates</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0083.html">Creating a Custom Template</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0084.html">Modifying a Custom Template</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_01_0085.html">Deleting a custom alarm template</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0067.html">Using the Alarm Function</a></div>
</div>
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<h1 class="topictitle1">Creating a Custom Template</h1>
<div id="body1505283060488"><ol id="ces_01_0083__ol3220890310131"><li id="ces_01_0083__li3831406010131">On the <strong id="ces_01_0083__b84235270619852">Alarm Templates</strong> page, click <strong id="ces_01_0083__b8423527061990">Create Custom Template</strong>.</li><li id="ces_01_0083__li928222710131">In the <strong id="ces_01_0083__b8423527061518">Configure Template</strong> step, specify the parameters listed in <a href="#ces_01_0083__table1956141511220">Table 1</a>.<div class="p" id="ces_01_0083__p208010420439">
<div class="tablenoborder"><a name="ces_01_0083__table1956141511220"></a><a name="table1956141511220"></a><table cellpadding="4" cellspacing="0" summary="" id="ces_01_0083__table1956141511220" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters</caption><thead align="left"><tr id="ces_01_0083__row17562201515222"><th align="left" class="cellrowborder" valign="top" width="27.93%" id="mcps1.3.1.2.3.1.2.3.1.1"><p id="ces_01_0083__p9562171592217">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="72.07000000000001%" id="mcps1.3.1.2.3.1.2.3.1.2"><p id="ces_01_0083__p105621415112212">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_01_0083__row19564181512228"><td class="cellrowborder" valign="top" width="27.93%" headers="mcps1.3.1.2.3.1.2.3.1.1 "><p id="ces_01_0083__p16497122695118">Resource Type</p>
</td>
<td class="cellrowborder" valign="top" width="72.07000000000001%" headers="mcps1.3.1.2.3.1.2.3.1.2 "><p id="ces_01_0083__p1156471519223">Specifies the type of the resource the alarm rule is created for.</p>
<p id="ces_01_0083__p113726155384">Example value: <strong id="ces_01_0083__b1259616854316">Elastic Cloud Server</strong></p>
</td>
</tr>
<tr id="ces_01_0083__row956421512227"><td class="cellrowborder" valign="top" width="27.93%" headers="mcps1.3.1.2.3.1.2.3.1.1 "><p id="ces_01_0083__p1256441511220">Dimension</p>
</td>
<td class="cellrowborder" valign="top" width="72.07000000000001%" headers="mcps1.3.1.2.3.1.2.3.1.2 "><p id="ces_01_0083__p6564161512216">Specifies the metric dimension of the selected resource type.</p>
<p id="ces_01_0083__p127271425203813">Example value: <strong id="ces_01_0083__b1160384561515">ECSs</strong></p>
</td>
</tr>
<tr id="ces_01_0083__row9565191518227"><td class="cellrowborder" valign="top" width="27.93%" headers="mcps1.3.1.2.3.1.2.3.1.1 "><p id="ces_01_0083__p156513153221">Import Template</p>
</td>
<td class="cellrowborder" valign="top" width="72.07000000000001%" headers="mcps1.3.1.2.3.1.2.3.1.2 "><ul id="ces_01_0083__ul14566181502211"><li id="ces_01_0083__li1262165219473">Enable<p id="ces_01_0083__p20556165544715"><a name="ces_01_0083__li1262165219473"></a><a name="li1262165219473"></a>Select an existing template, then you can use or modify default alarm rules contained in the selected alarm template.</p>
</li><li id="ces_01_0083__li155663155224">Disable<p id="ces_01_0083__p28264278445"><a name="ces_01_0083__li155663155224"></a><a name="li155663155224"></a>Manually add one or more alarm rules.</p>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li><li id="ces_01_0083__li7037447102124">Click <strong id="ces_01_0083__b84235270615237">Next</strong> to go to the <strong id="ces_01_0083__b8423527061549">Add Alarm Rule</strong> step. Specify parameters listed in <a href="#ces_01_0083__table691022118227">Table 2</a>. You can add one or more rules to the alarm template.<div class="p" id="ces_01_0083__p13951455174412">
<div class="tablenoborder"><a name="ces_01_0083__table691022118227"></a><a name="table691022118227"></a><table cellpadding="4" cellspacing="0" summary="" id="ces_01_0083__table691022118227" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters</caption><thead align="left"><tr id="ces_01_0083__row891192162214"><th align="left" class="cellrowborder" valign="top" width="26.939999999999998%" id="mcps1.3.1.3.4.1.2.3.1.1"><p id="ces_01_0083__p59115213229">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="73.06%" id="mcps1.3.1.3.4.1.2.3.1.2"><p id="ces_01_0083__p79121621172218">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_01_0083__row9914182112229"><td class="cellrowborder" valign="top" width="26.939999999999998%" headers="mcps1.3.1.3.4.1.2.3.1.1 "><p id="ces_01_0083__p14915132112229">Metric</p>
</td>
<td class="cellrowborder" valign="top" width="73.06%" headers="mcps1.3.1.3.4.1.2.3.1.2 "><p id="ces_01_0083__p1915421162216">For example:</p>
<ul id="ces_01_0083__ul691572111221"><li id="ces_01_0083__li1991510216226">CPU Usage<p id="ces_01_0083__p99165216228"><a name="ces_01_0083__li1991510216226"></a><a name="li1991510216226"></a>Indicates the CPU usage of the monitored object in percent.</p>
</li></ul>
<ul id="ces_01_0083__ul20916182142211"><li id="ces_01_0083__li129169212229">Memory Usage<p id="ces_01_0083__p4916192113224"><a name="ces_01_0083__li129169212229"></a><a name="li129169212229"></a>Indicates the memory usage of the monitored object in percent.</p>
</li></ul>
</td>
</tr>
<tr id="ces_01_0083__row95813546476"><td class="cellrowborder" valign="top" width="26.939999999999998%" headers="mcps1.3.1.3.4.1.2.3.1.1 "><p id="ces_01_0083__p9435204373719">Alarm Policy</p>
</td>
<td class="cellrowborder" valign="top" width="73.06%" headers="mcps1.3.1.3.4.1.2.3.1.2 "><p id="ces_01_0083__p2043584343715">Specifies the policy for triggering an alarm.</p>
<p id="ces_01_0083__p043712111488">For example, an alarm is triggered if the average value of the monitored metric is 80% or more for three consecutive 5-minute periods.</p>
</td>
</tr>
<tr id="ces_01_0083__row1639201161214"><td class="cellrowborder" valign="top" width="26.939999999999998%" headers="mcps1.3.1.3.4.1.2.3.1.1 "><p id="ces_01_0083__p1195420845111">Alarm Severity</p>
</td>
<td class="cellrowborder" valign="top" width="73.06%" headers="mcps1.3.1.3.4.1.2.3.1.2 "><p id="ces_01_0083__p17956884516">Specifies the alarm severity, which can be <strong id="ces_01_0083__b188951398515">Critical</strong>, <strong id="ces_01_0083__b6896191257">Major</strong>, <strong id="ces_01_0083__b1897791052">Minor</strong>, or <strong id="ces_01_0083__b128986917514">Informational</strong>.</p>
</td>
</tr>
<tr id="ces_01_0083__row1791811213223"><td class="cellrowborder" valign="top" width="26.939999999999998%" headers="mcps1.3.1.3.4.1.2.3.1.1 "><p id="ces_01_0083__p1691842115227">Operation </p>
</td>
<td class="cellrowborder" valign="top" width="73.06%" headers="mcps1.3.1.3.4.1.2.3.1.2 "><p id="ces_01_0083__p291852122210">When the number of the alarm policies is two or more, you can delete alarm policies.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li><li id="ces_01_0083__li2408963110472">Click <strong id="ces_01_0083__b176752878315653">Next</strong> to go to the <strong id="ces_01_0083__b84235270615957">Specify Template Details</strong> step. Specify parameters listed in <a href="#ces_01_0083__table722215293225">Table 3</a>.
<div class="tablenoborder"><a name="ces_01_0083__table722215293225"></a><a name="table722215293225"></a><table cellpadding="4" cellspacing="0" summary="" id="ces_01_0083__table722215293225" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameters</caption><thead align="left"><tr id="ces_01_0083__row222382918227"><th align="left" class="cellrowborder" valign="top" width="23.830000000000002%" id="mcps1.3.1.4.4.2.3.1.1"><p id="ces_01_0083__p1722316294221">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.17%" id="mcps1.3.1.4.4.2.3.1.2"><p id="ces_01_0083__p1223142918226">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_01_0083__row1224132902213"><td class="cellrowborder" valign="top" width="23.830000000000002%" headers="mcps1.3.1.4.4.2.3.1.1 "><p id="ces_01_0083__p3224192912228">Name</p>
</td>
<td class="cellrowborder" valign="top" width="76.17%" headers="mcps1.3.1.4.4.2.3.1.2 "><p id="ces_01_0083__p1422519296221">Specifies the custom template name. The system generates a random name, which you can modify.</p>
<p id="ces_01_0083__p1597716527386">Example value: <strong id="ces_01_0083__b1876910260157">alarmTemplate-ku0x</strong></p>
</td>
</tr>
<tr id="ces_01_0083__row202252298225"><td class="cellrowborder" valign="top" width="23.830000000000002%" headers="mcps1.3.1.4.4.2.3.1.1 "><p id="ces_01_0083__p8225152911226">Description</p>
</td>
<td class="cellrowborder" valign="top" width="76.17%" headers="mcps1.3.1.4.4.2.3.1.2 "><p id="ces_01_0083__p8225132992214">(Optional) Provides supplementary information about the alarm template.</p>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="ces_01_0083__li2641773611434">Click <strong id="ces_01_0083__b84235270613548">Finish</strong>.</li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0082.html">Alarm Templates</a></div>
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<h1 class="topictitle1">Modifying a Custom Template</h1>
<div id="body1505283060488"><ol id="ces_01_0084__ol725296611140"><li id="ces_01_0084__li5292108511140">In the navigation pane on the left, choose <strong id="ces_01_0084__b42321456123514">Alarm Management</strong> &gt; <strong id="ces_01_0084__b10233135693516">Alarm Templates</strong> and click <strong id="ces_01_0084__b423419562359">Custom Templates</strong>. Locate the template you want to modify and click <strong id="ces_01_0084__b423411565355">Modify</strong> in the <strong id="ces_01_0084__b1823515616355">Operation</strong> column.</li><li id="ces_01_0084__li652772011140">In the displayed <strong id="ces_01_0084__b8575059123512">Modify Custom Template</strong> dialog box, modify the parameter settings based on <a href="ces_01_0083.html#ces_01_0083__table691022118227">Table 2</a> and click <strong id="ces_01_0084__b1157635933511">Next</strong>.</li><li id="ces_01_0084__li48799316111618">Modify the template name and description based on <a href="ces_01_0083.html#ces_01_0083__table722215293225">Table 3</a>, and click <strong id="ces_01_0084__b85055253613">OK</strong>.</li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0082.html">Alarm Templates</a></div>
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<h1 class="topictitle1">Deleting a custom alarm template</h1>
<div id="body1506342655436"><p id="ces_01_0085__p1837551820517">In the navigation pane on the left, choose <strong id="ces_01_0085__b1117713451256">Alarm Management</strong> &gt; <strong id="ces_01_0085__b417713451753">Alarm Templates</strong> and click the <strong id="ces_01_0085__b21777451557">Custom Templates</strong> tab. Locate the template you want to delete and click <strong id="ces_01_0085__b181780451451">Delete</strong> in the <strong id="ces_01_0085__b1178184512512">Operation</strong> column. In the displayed <strong id="ces_01_0085__b1217818451552">Delete Custom Template</strong> dialog box, click <strong id="ces_01_0085__b1179345855">Yes</strong>.</p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_01_0082.html">Alarm Templates</a></div>
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<h1 class="topictitle1">Glossary</h1>
<div id="body8662426"><p id="ces_01_0101__en-us_topic_0048009947_en-us_topic_0047892914_p8060118">For details about the terms involved in this document, see <a href="https://docs.otc.t-systems.com/en-us/glossary/index.html" target="_blank" rel="noopener noreferrer">Glossary</a>.</p>
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<h1 class="topictitle1">Getting Started</h1>
<div id="body1531736551446"><p id="ces_06_0001__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="ces_06_0002.html">Checking the Status of a Cloud Platform</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018121651.html">Querying Metrics of a Cloud Service</a></strong><br>
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<h1 class="topictitle1">Checking the Status of a Cloud Platform</h1>
<div id="body1510714476996"><p id="ces_06_0002__p40139298141259">On the <strong id="ces_06_0002__b16436143114210">Monitoring Overview</strong> page, you can view information about <strong id="ces_06_0002__b1437193111210">Monitored Object Statistics</strong>, <strong id="ces_06_0002__b1843712311428">Alarm Rule Statistics</strong>, and <strong id="ces_06_0002__b1143811312029">Resource Monitoring Preview (in the Alarm State)</strong> to quickly track the overall status of the cloud platform.</p>
<div class="section" id="ces_06_0002__section1859790915833"><h4 class="sectiontitle">Viewing Monitored Object Statistics</h4><ol id="ces_06_0002__ol2288582015274"><li id="ces_06_0002__li892511921518">Log in to the management console.</li><li id="ces_06_0002__li1859952511516">In the upper left corner, select a region and project.</li><li id="ces_06_0002__li92511347123915">Click <strong id="ces_06_0002__b26051159144212">Service List</strong> in the upper left corner, and select <strong id="ces_06_0002__b3605459164219">Cloud Eye</strong>.</li><li id="ces_06_0002__li1916117033914">In the navigation pane on the left, choose <strong id="ces_06_0002__b84235270616149">Dashboard</strong> &gt; <strong id="ces_06_0002__b84235270616153">Monitoring Overview</strong>, and you can view the service resource quantity in the <strong id="ces_06_0002__b8423527061632">Monitored Object Statistics</strong> area.</li></ol>
</div>
<div class="section" id="ces_06_0002__section3480161442712"><h4 class="sectiontitle">Resource Monitoring Preview (in the Alarm State)</h4><p id="ces_06_0002__p1848219147276">Graphs are used to display the metric status of service resources in the <strong id="ces_06_0002__b842352706161020">Alarm</strong> status, helping you to know the resource status and handle exceptions in a timely manner. Click the resource name, and you can go to the page displaying alarm rule details configured for this resource.</p>
</div>
<div class="section" id="ces_06_0002__section8846992145747"><h4 class="sectiontitle">Alarm Statistics</h4><p id="ces_06_0002__en-us_topic_0077194695_p4543754814583">Alarm statistics display the number of critical, major, minor, and informational alarms. Click the number of one alarm severity, and you will be directed to the <strong id="ces_06_0002__b84235270614300">Alarm Records</strong> page displaying alarm rules of this severity.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_06_0001.html">Getting Started</a></div>
</div>
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<h1 class="topictitle1">Product Introduction</h1>
<div id="body15047603"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0015479882.html">What Is Cloud Eye?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_07_0002.html">Advantages</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_07_0003.html">Application Scenarios</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_07_0006.html">Basic Concepts</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_07_0007.html">Constraints</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_07_0008.html">Region and AZ</a></strong><br>
</li>
</ul>
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<h1 class="topictitle1">Advantages</h1>
<div id="body1508038941778"><div class="section" id="ces_07_0002__section1228013315142"><h4 class="sectiontitle">Automatic Provisioning</h4><p id="ces_07_0002__p35209311151048">Cloud Eye is automatically provisioned for all users. You can use the Cloud Eye console or APIs to view cloud service statuses and set alarm rules.</p>
</div>
<div class="section" id="ces_07_0002__section4123957115211"><h4 class="sectiontitle">Reliable Real-time Monitoring</h4><p id="ces_07_0002__p48957133172235">Raw data is reported to Cloud Eye in real time for monitoring of cloud services.</p>
<p id="ces_07_0002__p16833044151445">Alarms are generated and notifications are sent to you in real time.</p>
</div>
<div class="section" id="ces_07_0002__section28855920151831"><h4 class="sectiontitle">Visualized Monitoring</h4><p id="ces_07_0002__p19649221152021">You can create monitoring panels and graphs to compare multiple metrics. The graphs automatically refresh to display the latest data.</p>
</div>
<div class="section" id="ces_07_0002__section4527612415563"><h4 class="sectiontitle">Multiple Notification Types</h4><p id="ces_07_0002__p1369384116615">You can enable <strong id="ces_07_0002__b854642619315">Alarm Notification</strong> when creating alarm rules. When the metric reaches the threshold specified in an alarm rule, Cloud Eye notifies you by emails or text messages, or by sending HTTP/HTTPS messages to an IP address of your choice, allowing you to keep track of the statuses of cloud services and enabling you to build smart alarm handling programs.</p>
</div>
<div class="section" id="ces_07_0002__section27036286155829"><h4 class="sectiontitle">Batch Creation of Alarm Rules</h4><p id="ces_07_0002__p4880245155836">Alarm templates allow you to create alarm rules in batches for multiple cloud services.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_07_0001.html">Product Introduction</a></div>
</div>
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<h1 class="topictitle1">Application Scenarios</h1>
<div id="body40261524"><div class="section" id="ces_07_0003__section114135426153"><h4 class="sectiontitle">Cloud Service Monitoring</h4><p id="ces_07_0003__p1014284918157">After enabling a cloud service supported by Cloud Eye, you can view the cloud service status and metric data, and create alarm rules for metrics on the Cloud Eye console.</p>
</div>
<div class="section" id="ces_07_0003__section8424191331912"><h4 class="sectiontitle">Performance Issues</h4><p id="ces_07_0003__p457710293192">When an alarm rule's conditions are met, Cloud Eye generates an alarm and invokes the SMN API to send notifications, allowing you to identify root causes of performance issues.</p>
</div>
<div class="section" id="ces_07_0003__section1052052416206"><h4 class="sectiontitle">Capacity Expansion</h4><p id="ces_07_0003__p88111095217">After you create alarm rules for metrics such as CPU usage, memory usage, and disk usage, you can track the statuses of cloud services. If the service volume increases, Cloud Eye sends you an alarm notification, enabling you to manually expand the capacity or configure AS policies to automatically increase capacity.</p>
</div>
<div class="section" id="ces_07_0003__section1864161119230"><h4 class="sectiontitle">Custom Monitoring</h4><p id="ces_07_0003__p10115201814238">Custom monitoring supplements cloud service monitoring. If Cloud Eye does not provide the required metrics, you can use custom monitoring and report the collected monitoring data to Cloud Eye. Cloud Eye helps to display those monitoring data in graphs and allows you to create alarm rules for those custom metrics.</p>
</div>
<div class="section" id="ces_07_0003__section1481817622715"><h4 class="sectiontitle">Log Monitoring</h4><p id="ces_07_0003__p8060118">Log monitoring enables you to monitor log content in real time. You can set alarm rules on Cloud Eye to monitor the logs, thus to reduce your O&amp;M cost for log monitoring and simplify the log monitoring process.</p>
</div>
<div class="section" id="ces_07_0003__section11431447202720"><h4 class="sectiontitle">Event Monitoring</h4><p id="ces_07_0003__en-us_topic_0108650205_p8060118">In event monitoring, you can query system events that are automatically reported to Cloud Eye and custom events reported to Cloud Eye through the API. You can create alarm rules for both system events and custom events. When specific events occur, Cloud Eye generates alarms for you. </p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_07_0001.html">Product Introduction</a></div>
</div>
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<h1 class="topictitle1">Basic Concepts</h1>
<div id="body1505721839669"><p id="ces_07_0006__p1287997328">The following concepts are central to your understanding and use of Cloud Eye:</p>
<ul id="ces_07_0006__ul104535120711"><li id="ces_07_0006__li6453312477"><a href="#ces_07_0006__section20446181418613">Metrics</a></li><li id="ces_07_0006__li11824161311613"><a href="#ces_07_0006__section061013819719">Rollup</a></li><li id="ces_07_0006__li8533923101611"><a href="#ces_07_0006__section983754719710">Monitoring Panels</a></li><li id="ces_07_0006__li1799314361160"><a href="#ces_07_0006__section06147561378">Topics</a></li><li id="ces_07_0006__li13280544171617"><a href="#ces_07_0006__section14279171685">Alarm Rules</a></li><li id="ces_07_0006__li117689516166"><a href="#ces_07_0006__section7358181816813">Alarm Templates</a></li><li id="ces_07_0006__li1024515141719"><a href="#ces_07_0006__section992611851011">User Permission</a></li><li id="ces_07_0006__li20763191271715"><a href="#ces_07_0006__section4484122111318">Projects</a></li></ul>
<div class="section" id="ces_07_0006__section20446181418613"><a name="ces_07_0006__section20446181418613"></a><a name="section20446181418613"></a><h4 class="sectiontitle">Metrics</h4><p id="ces_07_0006__p1455419113713">A metric refers to a quantized value of a resource dimension on the cloud platform, such as the ECS CPU usage and memory usage. A metric is a time-dependent variable that generates a certain amount of monitoring data over time. It helps you understand the changes over a specific period of time.</p>
</div>
<div class="section" id="ces_07_0006__section061013819719"><a name="ces_07_0006__section061013819719"></a><a name="section061013819719"></a><h4 class="sectiontitle">Rollup</h4><p id="ces_07_0006__p178311441978">Rollup is the process in which Cloud Eye calculates the average, maximum, minimum, sum, or variance value based on sample raw data reported by each cloud service in specific periods. The calculation period is called rollup period. Cloud Eye supports the following rollup periods: 5 minutes, 20 minutes, 1 hour, 4 hours, and 24 hours.</p>
</div>
<div class="section" id="ces_07_0006__section983754719710"><a name="ces_07_0006__section983754719710"></a><a name="section983754719710"></a><h4 class="sectiontitle">Monitoring Panels</h4><p id="ces_07_0006__p4314184912716">Monitoring panels allow you to view monitoring data of metrics of different services and dimensions. You can use monitoring panels to display metrics of key services in a centralized way, get an overview of the service status, and use monitoring data for troubleshooting.</p>
</div>
<div class="section" id="ces_07_0006__section06147561378"><a name="ces_07_0006__section06147561378"></a><a name="section06147561378"></a><h4 class="sectiontitle">Topics</h4><p id="ces_07_0006__p16574581371">A topic is used to publish messages and subscribe to notifications. Topics provide you with one-to-many publish subscription and message notification functions. You can send messages to different types of endpoints with just one message request. Cloud Eye uses SMN to notify you of cloud service resource changes, enabling you to track the cloud service status in a timely manner.</p>
</div>
<div class="section" id="ces_07_0006__section14279171685"><a name="ces_07_0006__section14279171685"></a><a name="section14279171685"></a><h4 class="sectiontitle">Alarm Rules</h4><p id="ces_07_0006__p1914292813">You can create alarm rules to set thresholds for cloud service metrics. When the status (<strong id="ces_07_0006__b84235270618128">Alarm</strong> and <strong id="ces_07_0006__b842352706181211">OK</strong>) of the alarm rule changes, Cloud Eye notifies you by sending emails, text messages, or by sending HTTP/HTTPS messages to servers.</p>
</div>
<div class="section" id="ces_07_0006__section7358181816813"><a name="ces_07_0006__section7358181816813"></a><a name="section7358181816813"></a><h4 class="sectiontitle">Alarm Templates</h4><p id="ces_07_0006__p15793206819">Alarm templates contain one or more alarm rules for specific services. The templates help you create alarm rules for multiple cloud services, improving O&amp;M efficiency.</p>
</div>
<div class="section" id="ces_07_0006__section992611851011"><a name="ces_07_0006__section992611851011"></a><a name="section992611851011"></a><h4 class="sectiontitle">User Permission</h4><p id="ces_07_0006__en-us_topic_0054419510_p14058577155241">By default, the public cloud system provides two types of user permissions by default: user management and resource management. User management permissions can manage users, user groups, and user group permissions. Resource management permissions can control users' operations on cloud service resources.</p>
<p id="ces_07_0006__en-us_topic_0054419510_p836104102849">For details about Cloud Eye user permissions, see <a href="https://docs.otc.t-systems.com/en-us/permissions/index.html" target="_blank" rel="noopener noreferrer">Permissions</a>.</p>
</div>
<div class="section" id="ces_07_0006__section4484122111318"><a name="ces_07_0006__section4484122111318"></a><a name="section4484122111318"></a><h4 class="sectiontitle">Projects</h4><p id="ces_07_0006__p1994772316130">A project is used to group and isolate OpenStack resources, such as the compute, storage, and network resources. A project can either be a department or a project team. You can use an account to create multiple projects.</p>
</div>
</div>
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<h1 class="topictitle1">Constraints</h1>
<div id="body1508038941778"><p id="ces_07_0007__p1365820271054"><a href="#ces_07_0007__table10875782114441">Table 1</a> lists Cloud Eye resource limits for a user. For details about how to adjust quotas, see <a href="en-us_topic_0154940152.html">Quota Adjustment</a>.</p>
<div class="tablenoborder"><a name="ces_07_0007__table10875782114441"></a><a name="table10875782114441"></a><table cellpadding="4" cellspacing="0" summary="" id="ces_07_0007__table10875782114441" frame="border" border="1" rules="all"><caption><b>Table 1 </b>User resource limits</caption><thead align="left"><tr id="ces_07_0007__row39341966114441"><th align="left" class="cellrowborder" valign="top" width="64.2%" id="mcps1.3.2.2.3.1.1"><p id="ces_07_0007__p32582668114441">Item</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="35.8%" id="mcps1.3.2.2.3.1.2"><p id="ces_07_0007__p21950455114441">Maximum Number Allowed</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_07_0007__row63336368114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p29972201114441">Alarm rules that can be created</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p11829186114441">100</p>
</td>
</tr>
<tr id="ces_07_0007__row39353810114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p33542014114441">Custom alarm templates that can be created</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p32548639114441">50</p>
</td>
</tr>
<tr id="ces_07_0007__row24502303114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p38529546114441">Alarm rules that can be added to an alarm template</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p33885534114441">20</p>
</td>
</tr>
<tr id="ces_07_0007__row36534350114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p6492369114441">Monitoring panels that can be created</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p56119889114441">20</p>
</td>
</tr>
<tr id="ces_07_0007__row35316955114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p42101088114441">Graphs that can be added to a monitoring panel</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p54744982114441">24</p>
</td>
</tr>
<tr id="ces_07_0007__row22942795114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p46427084114441">Time that the alarm history can be kept</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p2497491114441">7 days</p>
</td>
</tr>
<tr id="ces_07_0007__row64033976114441"><td class="cellrowborder" valign="top" width="64.2%" headers="mcps1.3.2.2.3.1.1 "><p id="ces_07_0007__p19369581114441">Topics that can be selected for receiving notifications</p>
</td>
<td class="cellrowborder" valign="top" width="35.8%" headers="mcps1.3.2.2.3.1.2 "><p id="ces_07_0007__p25432214114441">5</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
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<h1 class="topictitle1">Region and AZ</h1>
<div id="body8662426"><div class="section" id="ces_07_0008__en-us_topic_0184026189_section388255972712"><h4 class="sectiontitle">Concept</h4><p id="ces_07_0008__en-us_topic_0184026189_p212716216381">A region and availability zone (AZ) identify the location of a data center. You can create resources in a specific region and AZ.</p>
<ul id="ces_07_0008__en-us_topic_0184026189_ul86578533460"><li id="ces_07_0008__en-us_topic_0184026189_li14657175334618">A region is a physical data center, which is completely isolated to improve fault tolerance and stability. The region that is selected during resource creation cannot be changed after the resource is created.</li><li id="ces_07_0008__en-us_topic_0184026189_li45875020473">An AZ is a physical location where resources use independent power supplies and networks. A region contains one or more AZs that are physically isolated but interconnected through internal networks. Because AZs are isolated from each other, any fault that occurs in one AZ will not affect others.</li></ul>
<p id="ces_07_0008__en-us_topic_0184026189_p1479174514614"><a href="#ces_07_0008__en-us_topic_0184026189_fig8747114281212">Figure 1</a> shows the relationship between regions and AZs.</p>
<div class="fignone" id="ces_07_0008__en-us_topic_0184026189_fig8747114281212"><a name="ces_07_0008__en-us_topic_0184026189_fig8747114281212"></a><a name="en-us_topic_0184026189_fig8747114281212"></a><span class="figcap"><b>Figure 1 </b>Regions and AZs</span><br><span><img class="vsd" id="ces_07_0008__en-us_topic_0184026189_image12748194211128" src="en-us_image_0000001268119314.png"></span></div>
</div>
<div class="section" id="ces_07_0008__en-us_topic_0184026189_section67281149192216"><h4 class="sectiontitle">Selecting a Region</h4><p id="ces_07_0008__en-us_topic_0184026189_p68521454132212">Select a region closest to your target users for lower network latency and quick access.</p>
</div>
<div class="section" id="ces_07_0008__en-us_topic_0184026189_section193971112578"><h4 class="sectiontitle">Selecting an AZ</h4><p id="ces_07_0008__en-us_topic_0184026189_p859161416717">When deploying resources, consider your applications' requirements on disaster recovery (DR) and network latency.</p>
<ul id="ces_07_0008__en-us_topic_0184026189_ul157203571473"><li id="ces_07_0008__en-us_topic_0184026189_li7720175710711">For high DR capability, deploy resources in different AZs within the same region.</li><li id="ces_07_0008__en-us_topic_0184026189_li109763595719">For lower network latency, deploy resources in the same AZ.</li></ul>
</div>
<div class="section" id="ces_07_0008__en-us_topic_0184026189_section1110135820407"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="ces_07_0008__en-us_topic_0184026189_p361784821111">Before you use an API to call resources, specify its region and endpoint. For more details, see <a href="https://docs.otc.t-systems.com/en-us/endpoint/index.html" target="_blank" rel="noopener noreferrer">Regions and Endpoints</a>.</p>
</div>
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<h1 class="topictitle1">What Alarm Status Does Cloud Eye Support?</h1>
<div id="body8662426"><p id="ces_faq_0004__en-us_topic_0016668680_p668812115281">There are three Cloud Eye alarm statuses: <strong id="ces_faq_0004__en-us_topic_0016668680_b842352706101545">Alarm</strong>, <strong id="ces_faq_0004__en-us_topic_0016668680_b842352706101550">OK</strong>, and <strong id="ces_faq_0004__en-us_topic_0016668680_b3329626895923">Insufficient data</strong>. If an alarm rule is disabled, its status is considered as invalid, and <strong id="ces_faq_0004__b0643183015465">Disabled</strong> is displayed.</p>
<ul id="ces_faq_0004__en-us_topic_0016668680_ul52236217152824"><li id="ces_faq_0004__li57511911145313"><strong id="ces_faq_0004__b56047353319">Alarm</strong>: The monitoring data meets the preset alarm policy.</li><li id="ces_faq_0004__li1571224145313"><strong id="ces_faq_0004__b86989015323">OK</strong>: The monitoring data is reported but does not meet the preset alarm policy.</li><li id="ces_faq_0004__en-us_topic_0016668680_li17519033185250"><strong id="ces_faq_0004__b173254918317">Insufficient data</strong>: No monitoring data has been reported for three consecutive hours, and this is generally because the instance has been deleted or is abnormal.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_faq_0060.html">Alarm Notifications or False Alarms</a></div>
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<h1 class="topictitle1">What Is an Alarm Notification? How Many Types of Alarm Notifications Are There? How Can I Configure an Alarm Notification?</h1>
<div id="body8662426"><p id="ces_faq_0006__en-us_topic_0016677169_p1753898916304">Alarm notifications are email or SMS messages that are sent out when an alarm status is <strong id="ces_faq_0006__b0339171654413">Alarm</strong>, <strong id="ces_faq_0006__b52796181417">OK</strong>, or both.</p>
<p id="ces_faq_0006__p13126717132713">You can configure Cloud Eye to send or not send alarm notifications when you create or modify an alarm rule.</p>
<p id="ces_faq_0006__en-us_topic_0016677169_p173375319364">Cloud Eye can:</p>
<ul id="ces_faq_0006__en-us_topic_0016677169_ul12268100163842"><li id="ces_faq_0006__en-us_topic_0016677169_li3465476163842">Send you email or text message notifications, or send HTTP/HTTPS messages to servers.</li><li id="ces_faq_0006__en-us_topic_0016677169_li31189284163842">Work with Auto Scaling to trigger the system to automatically add or remove servers.</li></ul>
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<h1 class="topictitle1">Why Are the Network Traffic Metric Values in Cloud Eye Different from Those Detected in ECS?</h1>
<div id="body8662426"><p id="ces_faq_0008__en-us_topic_0021062283_p62387627161931">Because the sampling period in Cloud Eye is different from that of the metric monitoring tool in ECS.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p23431297162820">Cloud Eye collects ECS and EVS disk data every 4 minutes (5 minutes for KVM ECSs). In contrast, the metric monitoring tool in ECS collects data every second.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p53344722163133">The larger the sampling period, the greater the data distortion in the short term. Cloud Eye is more suitable for long-term monitoring for websites and applications running on ECSs.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p2928922161916">Furthermore, to improve reliability, you can configure alarm thresholds to enable Cloud Eye to generate alarms where there are resource exceptions or insufficiencies.</p>
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<h1 class="topictitle1">What Is Rollup?</h1>
<div id="body8662426"><p id="ces_faq_0009__en-us_topic_0021085300_p49412881111722">Rollup is a process where Cloud Eye calculates the maximum, minimum, average, sum, or variance value of raw data sampled for different periods and repeats the process for each subsequent period. A calculation period is called a rollup period.</p>
<p id="ces_faq_0009__en-us_topic_0021085300_p42930031114046">The rollup process involves the smoothing of data sets. Configure a longer rollup period if you want more smoothing to be performed. If more smoothing is performed, the generated data will be more precise, enabling you to predict trends more precisely. Configure a shorter rollup period if you want more accurate alarm reporting.</p>
<p id="ces_faq_0009__en-us_topic_0021085300_p42062745111722">The rollup period can be 5 minutes, 20 minutes, 1 hour, 4 hours, or 1 day.</p>
<p id="ces_faq_0009__en-us_topic_0021085300_p33026382111738">During the rollup, Cloud Eye processes data sampled based on the data type.</p>
<ul id="ces_faq_0009__en-us_topic_0021085300_ul7135892111743"><li id="ces_faq_0009__en-us_topic_0021085300_li9292701111743">If the data sampled is integers, Cloud Eye rounds off the rollup results.</li><li id="ces_faq_0009__en-us_topic_0021085300_li5073537411184">If the data includes decimal values (floating point number), Cloud Eye truncates the data after the second decimal place.</li></ul>
<p id="ces_faq_0009__p616145711410">For example, if the instance quantity in Auto Scaling is an integer value, the rollup period is 5 minutes, and the current time is 10:35, Cloud Eye rolls up the raw data generated between 10:30 and 10:35 to the time point of 10:30. If the sampled metrics are 1 and 4 respectively, after rollup, the maximum value is 4, the minimum value is 1, and the average value is [(1 + 4)/2] = 2, instead of 2.5.</p>
<p id="ces_faq_0009__en-us_topic_0021085300_p39118416111722">Choose whichever rollup method best meets your service requirements.</p>
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<h1 class="topictitle1">How Long Is Metric Data Retained?</h1>
<div id="body8662426"><p id="ces_faq_0010__en-us_topic_0016668678_p7912674143714">Metric data includes raw data and rolled-up data.</p>
<ul id="ces_faq_0010__en-us_topic_0016668678_ul16718117295"><li id="ces_faq_0010__en-us_topic_0016668678_li124330317295">Raw data is retained for two days.</li><li id="ces_faq_0010__en-us_topic_0016668678_li3713845117295">Rolled-up data is data aggregated based on raw data. The retention period for rolled-up data depends on the rollup period.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ces_faq_0010__table2576134814215" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Retention periods for rolled-up data</caption><thead align="left"><tr id="ces_faq_0010__row9576148524"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.2.2.1.2.3.1.1"><p id="ces_faq_0010__p1357618481217">Rollup Period</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.2.2.1.2.3.1.2"><p id="ces_faq_0010__p857616486212">Retention Period</p>
</th>
</tr>
</thead>
<tbody><tr id="ces_faq_0010__row16576448025"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.1 "><p id="ces_faq_0010__p1457684818211">5 minutes</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.2 "><p id="ces_faq_0010__p057612487218">10 days</p>
</td>
</tr>
<tr id="ces_faq_0010__row115765481428"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.1 "><p id="ces_faq_0010__p35762481325">20 minutes</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.2 "><p id="ces_faq_0010__p557614481921">20 days</p>
</td>
</tr>
<tr id="ces_faq_0010__row05761548320"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.1 "><p id="ces_faq_0010__p1557611485217">1 hour</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.2 "><p id="ces_faq_0010__p157684812217">155 days</p>
</td>
</tr>
<tr id="ces_faq_0010__row10576548826"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.1 "><p id="ces_faq_0010__p135761484215">4 hours</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.2 "><p id="ces_faq_0010__p35761487210">300 days</p>
</td>
</tr>
<tr id="ces_faq_0010__row65760481425"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.1 "><p id="ces_faq_0010__p357618481121">1 day</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.1.2.3.1.2 "><p id="ces_faq_0010__p45760481520">5 years</p>
</td>
</tr>
</tbody>
</table>
</div>
</li></ul>
<p id="ces_faq_0010__en-us_topic_0016668678_p41471361111243">If an instance is disabled, stopped, or deleted, its metrics will be deleted one hour after the raw data reporting of those metrics stops. When the instance is enabled or restarted, raw data reporting of its metrics will resume. If the instance has been disabled or stopped for less than two days or for less time than the previous rolled-up data retention period, you can view the historical data of its metrics generated before these metrics were deleted.</p>
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<h1 class="topictitle1">What Are the Impacts on ECS Metrics If OTC Tools Is Not Installed on ECSs?</h1>
<div id="body8662426"><p id="ces_faq_0011__en-us_topic_0037516548_p60987502142419">If OTC tools are not installed on your ECSs, Cloud Eye can still monitor the outband incoming rate and outband outgoing rate. However, it cannot monitor memory usage, disk usage, inband incoming rate, or inband outgoing rate, which reduces the CPU monitoring accuracy.</p>
<p id="ces_faq_0011__en-us_topic_0037516548_p18048373141813">To learn more about ECS metrics supported by Cloud Eye, see <a href="https://docs.otc.t-systems.com/en-us/usermanual/ecs/en-us_topic_0030911465.html" target="_blank" rel="noopener noreferrer">Basic ECS Metrics</a>.</p>
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<h1 class="topictitle1">How Can I Export Collected Data?</h1>
<div id="body8662426"><ol id="ces_faq_0012__ol142723226543"><li id="ces_faq_0012__li182002515543">On the Cloud Eye console, choose <strong id="ces_faq_0012__b914920914416">Cloud Service Monitoring</strong> or <strong id="ces_faq_0012__b055451210445">Server Monitoring</strong>.</li><li id="ces_faq_0012__li19298142812543">Click <strong id="ces_faq_0012__b1420743417444">Export Data</strong>.</li><li id="ces_faq_0012__li14289113418548">Configure the time range, resource type, dimension, monitored object, and metric.</li><li id="ces_faq_0012__li527252214541">Click <strong id="ces_faq_0012__b1089102314532">Export</strong>.</li></ol>
<ul id="ces_faq_0012__en-us_topic_0043067734_ul1950049205010"><li id="ces_faq_0012__en-us_topic_0043067734_li13535154175015">The first row in the exported monitoring report displays the username, region, service, instance name, instance ID, metric name, metric data, time, and timestamp. You can view historical monitoring data.</li><li id="ces_faq_0012__en-us_topic_0043067734_li1955325205010">To convert the time using a Unix timestamp to the time of the target time zone, perform the following steps:<ol id="ces_faq_0012__en-us_topic_0043067734_ol64573081205018"><li id="ces_faq_0012__en-us_topic_0043067734_li1576617205018">Use Excel to open a .csv file. </li><li id="ces_faq_0012__en-us_topic_0043067734_li63390183205024">Use the following formula to convert the time:<p id="ces_faq_0012__en-us_topic_0043067734_p6320166820492"><a name="ces_faq_0012__en-us_topic_0043067734_li63390183205024"></a><a name="en-us_topic_0043067734_li63390183205024"></a>Target time = [Unix timestamp/1000 + (Target time zone) x 3600]/86400 + 70 x 365 + 19</p>
</li><li id="ces_faq_0012__en-us_topic_0043067734_li44486654205219">Set cell format to <strong id="ces_faq_0012__en-us_topic_0043067734_b842352706102445">Date</strong>.<p id="ces_faq_0012__en-us_topic_0043067734_p9205844171628">To convert a Unix timestamp of 1475918112000 to Shanghai time (UTC+8), using the formula from step b:</p>
<p id="ces_faq_0012__en-us_topic_0043067734_p51987381171650">Target time = [1475918112000/1000 + (+8) x 3600]/86400 + 70 x 365 + 19</p>
<p id="ces_faq_0012__en-us_topic_0043067734_p2017458820492">Set the cell format to date and select a presentation format such as 2016/3/14 13:30. Then, the target time obtained will be presented as 2016/10/8 17:15.</p>
</li></ol>
</li></ul>
</div>
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<h1 class="topictitle1">How Many Rollup Methods Does Cloud Eye Support?</h1>
<div id="body8662426"><p id="ces_faq_0013__en-us_topic_0046434864_p57895696153849">Cloud Eye supports the following rollup methods:</p>
<ul id="ces_faq_0013__en-us_topic_0046434864_ul7891893153925"><li id="ces_faq_0013__en-us_topic_0046434864_li43492545153925">Average<p id="ces_faq_0013__en-us_topic_0046434864_p23875554153846"><a name="ces_faq_0013__en-us_topic_0046434864_li43492545153925"></a><a name="en-us_topic_0046434864_li43492545153925"></a>If <strong id="ces_faq_0013__en-us_topic_0046434864_b5330590614237">Avg.</strong> is selected for <strong id="ces_faq_0013__en-us_topic_0046434864_b842352706111146">Statistic</strong>, Cloud Eye calculates the average value of metrics collected within a rollup period.</p>
</li><li id="ces_faq_0013__en-us_topic_0046434864_li14862994153930">Maximum<p id="ces_faq_0013__en-us_topic_0046434864_p15422050153846"><a name="ces_faq_0013__en-us_topic_0046434864_li14862994153930"></a><a name="en-us_topic_0046434864_li14862994153930"></a>If <strong id="ces_faq_0013__en-us_topic_0046434864_b3999694114240">Max.</strong> is selected for <strong id="ces_faq_0013__en-us_topic_0046434864_b84235270611127">Statistic</strong>, Cloud Eye calculates the maximum value of metrics collected within a rollup period.</p>
</li><li id="ces_faq_0013__en-us_topic_0046434864_li31138061153935">Minimum<p id="ces_faq_0013__en-us_topic_0046434864_p51018165153846"><a name="ces_faq_0013__en-us_topic_0046434864_li31138061153935"></a><a name="en-us_topic_0046434864_li31138061153935"></a>If <strong id="ces_faq_0013__en-us_topic_0046434864_b6277481514244">Min.</strong> is selected for <strong id="ces_faq_0013__en-us_topic_0046434864_b44016678184214">Statistic</strong>, Cloud Eye calculates the minimum value of metrics collected within a rollup period.</p>
</li><li id="ces_faq_0013__en-us_topic_0046434864_li3973979103440">Sum<p id="ces_faq_0013__en-us_topic_0046434864_p53790752103454"><a name="ces_faq_0013__en-us_topic_0046434864_li3973979103440"></a><a name="en-us_topic_0046434864_li3973979103440"></a>If <strong id="ces_faq_0013__en-us_topic_0046434864_b17306269184214">Sum</strong> is selected for <strong id="ces_faq_0013__en-us_topic_0046434864_b21538696184214">Statistic</strong>, Cloud Eye calculates the sum of metrics collected within a rollup period.</p>
</li><li id="ces_faq_0013__en-us_topic_0046434864_li48786427153939">Variance<p id="ces_faq_0013__en-us_topic_0046434864_p58280730153846"><a name="ces_faq_0013__en-us_topic_0046434864_li48786427153939"></a><a name="en-us_topic_0046434864_li48786427153939"></a>If <strong id="ces_faq_0013__en-us_topic_0046434864_b842352706111313">Variance</strong> is selected for <strong id="ces_faq_0013__en-us_topic_0046434864_b842352706111316">Statistic</strong>, Cloud Eye calculates the variance value of metrics collected within a rollup period.</p>
<div class="note" id="ces_faq_0013__en-us_topic_0046434864_note4729782611523"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="ces_faq_0013__en-us_topic_0046434864_p42043046195213">Take a 5-minute period as an example. If it is 10:35 now and the rollup period starts at 10:30, the raw data generated between 10:30 and 10:35 is rolled up.</p>
</div></div>
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<h1 class="topictitle1">When Will an "Insufficient data" Alarm Be Triggered?</h1>
<div id="body8662426"><p id="ces_faq_0017__en-us_topic_0067453838_p971573212819">When monitoring data of a metric is not reported to Cloud Eye for three consecutive hours, the alarm rule status changes to <strong id="ces_faq_0017__en-us_topic_0067453838_b842352706125738">Insufficient data</strong>.</p>
<p id="ces_faq_0017__en-us_topic_0067453838_p18631878151730">In special cases, if monitoring data of a metric is reported at an interval longer than three hours and no monitoring data is reported for three consecutive intervals, the alarm rule status also changes to <strong id="ces_faq_0017__en-us_topic_0067453838_b197256041113617">Insufficient data</strong>.</p>
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<h1 class="topictitle1">What Alarm Severities Does Cloud Eye Support?</h1>
<div id="body1559786144553"><p id="ces_faq_0043__p899761665615">There are four levels of alarm severity: critical, major, minor, and informational.</p>
<ul id="ces_faq_0043__ul1471527155711"><li id="ces_faq_0043__li671547145715"><strong id="ces_faq_0043__b951183018146">Critical</strong>: An emergency fault has occurred and services are affected.</li><li id="ces_faq_0043__li124811116145719"><strong id="ces_faq_0043__b486311611414">Major</strong>: A relatively serious problem has occurred and may hinder the use of resources.</li><li id="ces_faq_0043__li13586172475716"><strong id="ces_faq_0043__b1045122141418">Minor</strong>: A less serious problem has occurred but will not hinder the use of resources.</li><li id="ces_faq_0043__li1139122811572"><strong id="ces_faq_0043__b83361655181317">Informational</strong>: A potential error exists and may affect services.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_faq_0060.html">Alarm Notifications or False Alarms</a></div>
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<h1 class="topictitle1">Why Is the Monitoring Data Not Displayed on the Cloud Eye Console?</h1>
<div id="body1564038663378"><p id="ces_faq_0045__p8060118">Possible causes are as follows:</p>
<ul id="ces_faq_0045__ul85038714123"><li id="ces_faq_0045__li9852442174415">The service is not interconnected with Cloud Eye. To check whether a service has been interconnected with Cloud Eye, see <a href="en-us_topic_0202622212.html">Services Interconnected with Cloud Eye</a>.</li><li id="ces_faq_0045__li212412843110">The service has been interconnected with Cloud Eye. However, the collection and monitoring frequency for each service varies. The data may have just not been collected yet.</li><li id="ces_faq_0045__li1250317718128">The ECS has been stopped for more than 1 hour.</li><li id="ces_faq_0045__li85541221151218">The EVS disk has not been attached to an ECS.</li><li id="ces_faq_0045__li062464519127">No backend server is bound to the elastic load balancer or all of the backend servers are shut down.</li><li id="ces_faq_0045__li42031754916">It has been less than 10 minutes since the resource was created.</li></ul>
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<h1 class="topictitle1">Alarm Notifications or False Alarms</h1>
<div id="body1586833226266"><p id="ces_faq_0060__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="ces_faq_0006.html">What Is an Alarm Notification? How Many Types of Alarm Notifications Are There? How Can I Configure an Alarm Notification?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_faq_0004.html">What Alarm Status Does Cloud Eye Support?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_faq_0043.html">What Alarm Severities Does Cloud Eye Support?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_faq_0017.html">When Will an "Insufficient data" Alarm Be Triggered?</a></strong><br>
</li>
</ul>
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<h1 class="topictitle1">Monitored Data Exceptions</h1>
<div id="body1586833226266"><p id="ces_faq_0062__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="ces_faq_0045.html">Why Is the Monitoring Data Not Displayed on the Cloud Eye Console?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_faq_0008.html">Why Are the Network Traffic Metric Values in Cloud Eye Different from Those Detected in ECS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="ces_faq_0011.html">What Are the Impacts on ECS Metrics If OTC Tools Is Not Installed on ECSs?</a></strong><br>
</li>
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