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Li, Qiao 01222743d0 APM2.0 UMN 20230825 version 
Reviewed-by: Mützel, Andrea <andrea.muetzel@t-systems.com>
Co-authored-by: Li, Qiao <qiaoli@huawei.com>
Co-committed-by: Li, Qiao <qiaoli@huawei.com>
2024-06-18 07:09:10 +00:00

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<h1 class="topictitle1">JVM</h1>
<div id="body8662426"><p id="apm_07_0007__en-us_topic_0000001217724300_p6299195995311">This function monitors JVMInfo, JVMMonitor, GC, thread, and JavaMethod.</p>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section201820517583"><h4 class="sectiontitle">Going to the JVM Page</h4><ol id="apm_07_0007__en-us_topic_0000001217724300_ol17556193394311"><li id="apm_07_0007__en-us_topic_0000001217724300_li1635595318336"><span>Log in to the management console.</span></li><li id="apm_07_0007__en-us_topic_0000001217724300_li1456354810599"><span>Click <span><img id="apm_07_0007__en-us_topic_0000001217724300_image1756542920109" src="en-us_image_0000001570285326.png"></span> on the left and choose <strong id="apm_07_0007__en-us_topic_0000001217724300_b35651329121012">Management &amp; Deployment</strong> &gt; <strong id="apm_07_0007__en-us_topic_0000001217724300_b195661729151015">Application Performance Management</strong>.</span></li><li id="apm_07_0007__en-us_topic_0000001217724300_li1555643334315"><span>In the navigation pane, choose <strong id="apm_07_0007__en-us_topic_0000001217724300_b164258274568">Application Monitoring</strong> &gt; <strong id="apm_07_0007__en-us_topic_0000001217724300_b8428122712565">Metrics</strong>.</span></li><li id="apm_07_0007__en-us_topic_0000001217724300_li14556933194318"><span>In the tree on the left, click <span><img id="apm_07_0007__en-us_topic_0000001217724300_image83911433919" src="en-us_image_0000001277942069.png"></span> next to the target environment.</span></li><li id="apm_07_0007__en-us_topic_0000001217724300_li9750930145818"><span>Click the <strong id="apm_07_0007__en-us_topic_0000001217724300_b862622418440">JVM</strong> tab. By default, the JVMMonitor information of all instances is displayed.</span><p><div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig111923441112"><span class="figcap"><b>Figure 1 </b>Going to the JVM page</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image1619934131117" src="en-us_image_0000001676256889.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="apm_07_0007__en-us_topic_0000001217724300_li4711950184320"><span>On the displayed <strong id="apm_07_0007__en-us_topic_0000001217724300_b10638174014341">JVM</strong> tab page, select a target instance and monitoring item to view the monitoring data in different metric sets.</span><p><div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig01551111171410"><span class="figcap"><b>Figure 2 </b>Selecting an instance and monitoring item</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image4156151115147" src="en-us_image_0000001676257513.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="apm_07_0007__en-us_topic_0000001217724300_li1724462217266"><span>Select a time range. Default: <strong id="apm_07_0007__en-us_topic_0000001217724300_b5606727143016">Last 20 minutes</strong>.</span><p><p id="apm_07_0007__en-us_topic_0000001217724300_p1117642472615">Options: <strong id="apm_07_0007__en-us_topic_0000001217724300_b1823113020302">Last 20 minutes</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b18232830133019">Last hour</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b12331230173010">Last 3 hours</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b3233123010304">Last 6 hours</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b1023443093019">Last day</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b6235183012300">Today</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b11235203011307">Yesterday</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b623693010301">Last week</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b223615300305">Last month</strong>, or <strong id="apm_07_0007__en-us_topic_0000001217724300_b3237173023016">Custom</strong>.</p>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig1432711443415"><span class="figcap"><b>Figure 3 </b>Selecting a time range</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image83271944194110" src="en-us_image_0000001651751305.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li></ol>
</div>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section7533183775712"><h4 class="sectiontitle">Viewing JVM Information</h4><p id="apm_07_0007__en-us_topic_0000001217724300_p101747437521">On the <strong id="apm_07_0007__en-us_topic_0000001217724300_b94115513445">JVM</strong> tab page, view the JVMInfo metrics of the corresponding instance. For details about the metrics, see <a href="#apm_07_0007__en-us_topic_0000001217724300_table157251648155319">Table 1</a>.</p>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig1252022111718"><span class="figcap"><b>Figure 4 </b>Viewing JVM information</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image15520112118173" src="en-us_image_0000001627418708.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0007__en-us_topic_0000001217724300_table157251648155319"></a><a name="en-us_topic_0000001217724300_table157251648155319"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0007__en-us_topic_0000001217724300_table157251648155319" frame="border" border="1" rules="all"><caption><b>Table 1 </b>JVMInfo metrics</caption><thead align="left"><tr id="apm_07_0007__en-us_topic_0000001217724300_row9726104815539"><th align="left" class="cellrowborder" valign="top" width="11.87%" id="mcps1.3.3.4.2.4.1.1"><p id="apm_07_0007__en-us_topic_0000001217724300_p1792181705310">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="17.14%" id="mcps1.3.3.4.2.4.1.2"><p id="apm_07_0007__en-us_topic_0000001217724300_p20726124810537">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="70.99%" id="mcps1.3.3.4.2.4.1.3"><p id="apm_07_0007__en-us_topic_0000001217724300_p572617483534">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0007__en-us_topic_0000001217724300_row6726144820533"><td class="cellrowborder" rowspan="11" valign="top" width="11.87%" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14691635105316">JVMInfo</p>
</td>
<td class="cellrowborder" valign="top" width="17.14%" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14726154815317">JavaAgent Version</p>
</td>
<td class="cellrowborder" valign="top" width="70.99%" headers="mcps1.3.3.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p2726184812538">Java Agent version</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row77266481532"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3726184825313">Started</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p207263481537">JVM startup time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1872664885311"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p372615488531">Startup Parameter</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1172634825320">JVM startup parameter</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row11726104818532"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p57267483534">Java Class Library Path</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p127261748135318">Java class library path</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1072694814536"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p97266483532">Java Version</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p2727164817536">Java version</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1872712482537"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p16727748135314">Java Specification Version</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p117271748115317">Java specification version</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row17930716185619"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p189317167568">OS</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1393121675614">OS name</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1993161615568"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1393117160569">OS Version</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p39311316155616">OS version</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1593115164567"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p13931816115613">arch</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1593191645620">CPU architecture</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row169311716115611"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1393118161562">Processors</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p17932216165614">Number of processors</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row11932111616560"><td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p109320169569">SDK Version</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p79321916115618">SDK version</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section563619218278"><h4 class="sectiontitle">Viewing JVM Monitoring Data</h4><p id="apm_07_0007__en-us_topic_0000001217724300_p209731110131717">APM monitors JVM metrics. For details about the metrics, see <a href="#apm_07_0007__en-us_topic_0000001217724300_table1215310405">Table 2</a>. JVM monitoring metrics are displayed in graphs, so that you can view and analyze JVM monitoring data more easily.</p>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig2053314585185"><span class="figcap"><b>Figure 5 </b>Viewing JVM monitoring data</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image9533175861813" src="en-us_image_0000001627739144.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0007__en-us_topic_0000001217724300_table1215310405"></a><a name="en-us_topic_0000001217724300_table1215310405"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0007__en-us_topic_0000001217724300_table1215310405" frame="border" border="1" rules="all"><caption><b>Table 2 </b>JVM monitoring metrics</caption><thead align="left"><tr id="apm_07_0007__en-us_topic_0000001217724300_row10163101205"><th align="left" class="cellrowborder" valign="top" width="19.33%" id="mcps1.3.4.4.2.4.1.1"><p id="apm_07_0007__en-us_topic_0000001217724300_p82129321240">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="30.080000000000002%" id="mcps1.3.4.4.2.4.1.2"><p id="apm_07_0007__en-us_topic_0000001217724300_p16161810207">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.59%" id="mcps1.3.4.4.2.4.1.3"><p id="apm_07_0007__en-us_topic_0000001217724300_p1116191011012">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0007__en-us_topic_0000001217724300_row1186431214615"><td class="cellrowborder" rowspan="5" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p181222391059">Thread</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1417384317616">Current Threads</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1817317436610">Number of current threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row286519121463"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p162844564611">Deadlock Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1528425619617">Number of deadlock threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row188661812360"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p83611412974">Daemon Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p836141218717">Number of daemon threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row18866512561"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p168666127619">Started Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p158662121261">Number of started threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row78661912368"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1386601210610">Peak Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p386618121614">Peak number of threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1986651216615"><td class="cellrowborder" rowspan="6" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p15161910105">Thread Status</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p786651211619">Waiting Threads</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p18661112767">Number of waiting threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1786691216613"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p986717122067">Terminated Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p886716126615">Number of threads in the terminated state</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row91614101005"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1179473817203">Runnable Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p17794183892017">Number of runnable threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row121613109016"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p58681856182010">Blocked Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1086845652016">Number of blocked threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row0161810102"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p357015362115">New Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p257013314212">Number of new threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row71614103019"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p222315221261">Timed Waiting Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1216191018011">Number of threads that timed out</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row91651019011"><td class="cellrowborder" rowspan="3" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p15162102005">Memory</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p72223222069">Used Non-Heap Memory</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p61620104017">Size of the used non-heap memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row151611106014"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p112213224616">Used Heap Memory</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14167101408">Size of the used heap memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row17161410305"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p416131015016">Used Direct Memory</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1617110601">Size of the used direct memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row845210127203"><td class="cellrowborder" rowspan="3" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p81618101007">Class loading</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p59481434142318">Current Classes</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3948123422314">Number of current classes</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row645271210209"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p217393912238">Total Loaded Classes</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14173173915235">Total number of loaded classes</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row134522128204"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p15634943102315">Unloaded Classes</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p13634174311232">Number of unloaded classes</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row144531912192019"><td class="cellrowborder" rowspan="5" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1719314543225">Memory pool</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p5226184582411">committed(M)</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p522654515247">Size of available memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row6453191272010"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p590284952418">init(M)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p159025490249">Size of the initialized memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row17453912182010"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p049116543244">max(M)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p13491125419248">Size of the maximum memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row9453131282018"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p143291658102418">name</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1032995822417">Memory pool name</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1845441252017"><td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p19517217256">used(M)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p69510218259">Size of the used memory</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row174541712112011"><td class="cellrowborder" valign="top" width="19.33%" headers="mcps1.3.4.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3193654132210">CPU</p>
</td>
<td class="cellrowborder" valign="top" width="30.080000000000002%" headers="mcps1.3.4.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p845416124208">CPU Usage</p>
</td>
<td class="cellrowborder" valign="top" width="50.59%" headers="mcps1.3.4.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p17454712132018">CPU usage of the Java process</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section075125213321"><h4 class="sectiontitle">Viewing GC Information</h4><p id="apm_07_0007__en-us_topic_0000001217724300_p1155824113411">APM monitors GC metrics. For details about the metrics, see <a href="#apm_07_0007__en-us_topic_0000001217724300_table1215310405">Table 2</a>.</p>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig10449536219"><span class="figcap"><b>Figure 6 </b>Viewing GC information</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image645073162118" src="en-us_image_0000001676260081.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0007__en-us_topic_0000001217724300_table1094718306295" frame="border" border="1" rules="all"><caption><b>Table 3 </b>GC metrics</caption><thead align="left"><tr id="apm_07_0007__en-us_topic_0000001217724300_row14948173015297"><th align="left" class="cellrowborder" valign="top" width="13.12868713128687%" id="mcps1.3.5.4.2.4.1.1"><p id="apm_07_0007__en-us_topic_0000001217724300_p2948113052916">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.2973702629737%" id="mcps1.3.5.4.2.4.1.2"><p id="apm_07_0007__en-us_topic_0000001217724300_p1294893072915">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60.573942605739425%" id="mcps1.3.5.4.2.4.1.3"><p id="apm_07_0007__en-us_topic_0000001217724300_p89489308298">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0007__en-us_topic_0000001217724300_row194863015299"><td class="cellrowborder" rowspan="4" valign="top" width="13.12868713128687%" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p194863092918">GC statistics</p>
</td>
<td class="cellrowborder" valign="top" width="26.2973702629737%" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14948430142914">Full GC (times)</p>
</td>
<td class="cellrowborder" valign="top" width="60.573942605739425%" headers="mcps1.3.5.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p894820302290">Number of full GC times in a collection period</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row5948143019298"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p19948183012292">Full GC Duration (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p13948123012295">Full GC duration in a collection period</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row294818303290"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p6948183062914">Young GC (times)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p994873010298">Number of young GC times in a collection period</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row179484304293"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p19949930182910">Young GC Duration (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p11949330112911">Young GC duration in a collection period</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row4949113012296"><td class="cellrowborder" rowspan="7" valign="top" width="13.12868713128687%" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p294963072915">GC Details</p>
</td>
<td class="cellrowborder" valign="top" width="26.2973702629737%" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p11949123013295">GC Type</p>
</td>
<td class="cellrowborder" valign="top" width="60.573942605739425%" headers="mcps1.3.5.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1294923022916">GC type, which can be <strong id="apm_07_0007__en-us_topic_0000001217724300_b208424035391738">major</strong> or <strong id="apm_07_0007__en-us_topic_0000001217724300_b165842134391738">minor</strong></p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row4949173017298"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p16949193017293">GC Cause</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p10949430192913">GC cause</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row15596742155315"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p13596134255312">Count</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p859634212536">Number of times that GC has occurred</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row459604235316"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p95961842125312">Total GC Duration (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p115960425539">GC duration</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1813417479535"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p513411471537">Max GC Duration (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3134114716535">Time consumed by the slowest GC</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row91342474531"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p837014135412">GC Recycler</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1713474715534">GC recycler name</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row71341647175311"><td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p19134447135316">Slowest GC Details</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.5.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1513516476536">Details about the slowest GC</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0007__en-us_topic_0000001217724300_ul468435173719"><li id="apm_07_0007__en-us_topic_0000001217724300_li105391835123220">Click the digits in blue (such as those in the <strong id="apm_07_0007__en-us_topic_0000001217724300_b104022179489">Count</strong>, <strong id="apm_07_0007__en-us_topic_0000001217724300_b3402171710489">Total GC Duration (ms)</strong>, or <strong id="apm_07_0007__en-us_topic_0000001217724300_b1140211794819">Max GC Duration (ms)</strong> column) to view the corresponding GC trend graph in a certain period (default: 20 minutes).</li><li id="apm_07_0007__en-us_topic_0000001217724300_li183261611015">On the GC details area, you can view the GC type, GC cause, count, total GC duration (ms), maximum GC duration (ms), GC recycler, and slowest GC details (details and history).</li></ul>
</div>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section8019512380"><h4 class="sectiontitle">Viewing Threads</h4><p id="apm_07_0007__en-us_topic_0000001217724300_p121121413131017">You can view the thread details of the corresponding instance on APM. For details, see <a href="#apm_07_0007__en-us_topic_0000001217724300_table3735183811019">Table 4</a>.</p>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig107001535172419"><span class="figcap"><b>Figure 7 </b>Viewing threads</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image770111358240" src="en-us_image_0000001627740904.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0007__en-us_topic_0000001217724300_table3735183811019"></a><a name="en-us_topic_0000001217724300_table3735183811019"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0007__en-us_topic_0000001217724300_table3735183811019" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Thread metrics</caption><thead align="left"><tr id="apm_07_0007__en-us_topic_0000001217724300_row17351738161019"><th align="left" class="cellrowborder" valign="top" width="18.101810181018102%" id="mcps1.3.6.4.2.4.1.1"><p id="apm_07_0007__en-us_topic_0000001217724300_p7937122911117">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="31.463146314631462%" id="mcps1.3.6.4.2.4.1.2"><p id="apm_07_0007__en-us_topic_0000001217724300_p1293752991118">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.43504350435043%" id="mcps1.3.6.4.2.4.1.3"><p id="apm_07_0007__en-us_topic_0000001217724300_p149371329181114">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0007__en-us_topic_0000001217724300_row137354388104"><td class="cellrowborder" rowspan="5" valign="top" width="18.101810181018102%" headers="mcps1.3.6.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1782935191216">Thread details</p>
</td>
<td class="cellrowborder" valign="top" width="31.463146314631462%" headers="mcps1.3.6.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p2735638111014">Thread Name</p>
</td>
<td class="cellrowborder" valign="top" width="50.43504350435043%" headers="mcps1.3.6.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p157351138101020">Thread name</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row14735438151010"><td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1073623891019">Threads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p177361738191017">Number of threads</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row473603815108"><td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14736193811109">CPU Time (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p373617380104">Thread CPU time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row3736153881019"><td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p573623812105">Memory (MB)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p37361138131019">Memory (MB)</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1888818504199"><td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p87201669203">Thread Stack</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.6.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p17888550171919">Thread stack</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0007__en-us_topic_0000001217724300_ul15422213446"><li id="apm_07_0007__en-us_topic_0000001217724300_li9281102819441">Click a number in the <strong id="apm_07_0007__en-us_topic_0000001217724300_b759015298233">Threads</strong> column to view the trend of the thread in a specified period.</li><li id="apm_07_0007__en-us_topic_0000001217724300_li56531507515">Click <strong id="apm_07_0007__en-us_topic_0000001217724300_b98341239205016">Detail</strong> in the <strong id="apm_07_0007__en-us_topic_0000001217724300_b12886204945015">Thread Stack</strong> column to view the thread details.</li><li id="apm_07_0007__en-us_topic_0000001217724300_li1691418301554">Click <strong id="apm_07_0007__en-us_topic_0000001217724300_b9216133116517">History</strong> in the <strong id="apm_07_0007__en-us_topic_0000001217724300_b62163317515">Thread Stack</strong> column to view the historical thread stack list.</li></ul>
</div>
<div class="section" id="apm_07_0007__en-us_topic_0000001217724300_section28131764419"><h4 class="sectiontitle">Viewing Java Methods</h4><ol id="apm_07_0007__en-us_topic_0000001217724300_ol861696143120"><li id="apm_07_0007__en-us_topic_0000001217724300_li116161862312">By default, APM does not monitor Java methods. To monitor them, <a href="apm_07_0016.html#apm_07_0016">configure the JavaMethod monitoring item</a> first.</li><li id="apm_07_0007__en-us_topic_0000001217724300_li386812816318">After the configuration is complete, the system monitors the methods and classes of JavaMethod.</li><li id="apm_07_0007__en-us_topic_0000001217724300_li629381510244">On the <strong id="apm_07_0007__en-us_topic_0000001217724300_b67249773491738">JVM</strong> page, select a target instance and <strong id="apm_07_0007__en-us_topic_0000001217724300_b13719082891738">JavaMethod</strong> to view details. For details, see <a href="#apm_07_0007__en-us_topic_0000001217724300_table16330184212241">Table 5</a>.</li></ol>
<div class="fignone" id="apm_07_0007__en-us_topic_0000001217724300_fig7571121711271"><span class="figcap"><b>Figure 8 </b>Viewing Java methods</span><br><span><img id="apm_07_0007__en-us_topic_0000001217724300_image45721517182718" src="en-us_image_0000001627262204.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0007__en-us_topic_0000001217724300_table16330184212241"></a><a name="en-us_topic_0000001217724300_table16330184212241"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0007__en-us_topic_0000001217724300_table16330184212241" frame="border" border="1" rules="all"><caption><b>Table 5 </b>JavaMethod metrics</caption><thead align="left"><tr id="apm_07_0007__en-us_topic_0000001217724300_row933111420246"><th align="left" class="cellrowborder" valign="top" width="16.981698169816983%" id="mcps1.3.7.4.2.4.1.1"><p id="apm_07_0007__en-us_topic_0000001217724300_p173311442142412">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="29.062906290629066%" id="mcps1.3.7.4.2.4.1.2"><p id="apm_07_0007__en-us_topic_0000001217724300_p1733214425245">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="53.955395539553955%" id="mcps1.3.7.4.2.4.1.3"><p id="apm_07_0007__en-us_topic_0000001217724300_p1332154217244">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0007__en-us_topic_0000001217724300_row23321424246"><td class="cellrowborder" rowspan="13" valign="top" width="16.981698169816983%" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1126571912343">JavaMethod</p>
</td>
<td class="cellrowborder" valign="top" width="29.062906290629066%" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1333184242416">Class</p>
</td>
<td class="cellrowborder" valign="top" width="53.955395539553955%" headers="mcps1.3.7.4.2.4.1.3 "><p id="apm_07_0007__en-us_topic_0000001217724300_p333315427241">Class</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row833364262416"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p980225813263">Method</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p280255820263">Method</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row193347429247"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p95036915277">Calls</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1550318932714">Number of times that the method is called</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row2334164272412"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p8334154218245">Avg RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p63341142192413">Average response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1233424262411"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1742616692816">Errors</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p54261369282">Number of times that the method fails to be called</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row173352042152415"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p98691912192816">Max Concurrency</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p086911125286">Maximum concurrency of the method</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row113351042162417"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3335134217247">Max RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p733584219244">Maximum response time of the method</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row161771753112718"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1773853016284">0 ms–10 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p197385304280">Number of requests with 0 ms–10 ms response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row12177165317278"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p9712153517284">10 ms–100 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p3712163502819">Number of requests with 10 ms–100 ms response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row1517715531273"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1173418414285">100 ms–500 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p1273414182816">Number of requests with 100 ms–500 ms response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row31781353142715"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p377347132811">500 ms–1s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p19771747112815">Number of requests with 500 ms–1s response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row151789533274"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p14650115418284">1s–10s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p18650105417285">Number of requests with 1s–10s response time</p>
</td>
</tr>
<tr id="apm_07_0007__en-us_topic_0000001217724300_row11178155314276"><td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.1 "><p id="apm_07_0007__en-us_topic_0000001217724300_p342013315291">10s–n</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.7.4.2.4.1.2 "><p id="apm_07_0007__en-us_topic_0000001217724300_p164204302916">Number of requests with response time longer than 10s</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0007__en-us_topic_0000001217724300_ul3927131984716"><li id="apm_07_0007__en-us_topic_0000001217724300_li15506325175110">Click a number (such as those in the <strong id="apm_07_0007__en-us_topic_0000001217724300_b719791142718">Calls</strong> or <strong id="apm_07_0007__en-us_topic_0000001217724300_b175586932719">Errors</strong> column) to view the trend of the thread in a specified period.</li></ul>
</div>
</div>
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