doc-exports/docs/apm/umn/apm_01_0022.html
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">Tomcat Monitoring</h1>
<div id="body8662426"><p id="apm_01_0022__en-us_topic_0000001485838456_p4540122612153">This section describes the types, names, and meanings of Tomcat metrics collected by APM.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="apm_01_0022__en-us_topic_0000001485838456_table1274859152312" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Tomcat metrics</caption><thead align="left"><tr id="apm_01_0022__en-us_topic_0000001485838456_row182755599234"><th align="left" class="cellrowborder" valign="top" width="16.081706353684684%" id="mcps1.3.2.2.8.1.1"><p id="apm_01_0022__en-us_topic_0000001485838456_p379615478137">Category</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.400180566527476%" id="mcps1.3.2.2.8.1.2"><p id="apm_01_0022__en-us_topic_0000001485838456_p57441235163416">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16.544408080352106%" id="mcps1.3.2.2.8.1.3"><p id="apm_01_0022__en-us_topic_0000001485838456_p381112371880">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="17.063536846857012%" id="mcps1.3.2.2.8.1.4"><p id="apm_01_0022__en-us_topic_0000001485838456_p18745935163419">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="6.3762555016363835%" id="mcps1.3.2.2.8.1.5"><p id="apm_01_0022__en-us_topic_0000001485838456_p12147182312148">Unit</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12.267238460670352%" id="mcps1.3.2.2.8.1.6"><p id="apm_01_0022__en-us_topic_0000001485838456_p169316553243">Data Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="17.266674190271978%" id="mcps1.3.2.2.8.1.7"><p id="apm_01_0022__en-us_topic_0000001485838456_p20419524182211">Default Aggregation Mode</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_01_0022__en-us_topic_0000001485838456_row1527575911231"><td class="cellrowborder" valign="top" width="16.081706353684684%" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p12199456101519">Tomcat information (<strong id="apm_01_0022__en-us_topic_0000001485838456_b1520915465813">tomcatInfo</strong>: Tomcat package version statistics)</p>
</td>
<td class="cellrowborder" valign="top" width="14.400180566527476%" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p377336106">tomcatVersion</p>
</td>
<td class="cellrowborder" valign="top" width="16.544408080352106%" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p188091652381">tomcatVersion</p>
</td>
<td class="cellrowborder" valign="top" width="17.063536846857012%" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p3340193812176">Tomcat version</p>
</td>
<td class="cellrowborder" valign="top" width="6.3762555016363835%" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p7687758612">-</p>
</td>
<td class="cellrowborder" valign="top" width="12.267238460670352%" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p18788369018">STRING</p>
</td>
<td class="cellrowborder" valign="top" width="17.266674190271978%" headers="mcps1.3.2.2.8.1.7 "><p id="apm_01_0022__en-us_topic_0000001485838456_p137815361709">LAST</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row10275959172314"><td class="cellrowborder" rowspan="8" valign="top" width="16.081706353684684%" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p105121374168">Tomcat port monitoring (<strong id="apm_01_0022__en-us_topic_0000001485838456_b19518282225">tomcat</strong>: APM counts statistics of Tomcat threads and connections by Tomcat port.)</p>
</td>
<td class="cellrowborder" valign="top" width="14.400180566527476%" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p15992112171811">name</p>
</td>
<td class="cellrowborder" valign="top" width="16.544408080352106%" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p780914521813">name</p>
</td>
<td class="cellrowborder" valign="top" width="17.063536846857012%" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p119927218186">Port name</p>
</td>
<td class="cellrowborder" valign="top" width="6.3762555016363835%" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p499210251815">-</p>
</td>
<td class="cellrowborder" valign="top" width="12.267238460670352%" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p159926218187">ENUM</p>
</td>
<td class="cellrowborder" valign="top" width="17.266674190271978%" headers="mcps1.3.2.2.8.1.7 "><p id="apm_01_0022__en-us_topic_0000001485838456_p189925210181">LAST</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row827535910239"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p189921325188">currentThreadCount</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p18809252687">currentThreadCount</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p109926251818">Number of current threads on the port</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p14992526187">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p29925215186">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p7992102151818">AVG</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row1427675952316"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p15992172201812">currentThreadsBusy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p380965217812">currentThreadsBusy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1499213261813">Number of busy threads on the port at the time of collection</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1899211214180">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p89921525181">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p11992122131811">AVG</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row3276185962310"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p19937281813">currentThreadsBusyMax</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p2080913521814">currentThreadsBusyMax</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1999315291817">Maximum number of busy threads on the port in a collection period</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p119932211816">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p10995122121813">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p209951522182">MAX</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row1327655919236"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1999514221819">maxThreads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p198091352983">maxThreads</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1899516211186">Maximum number of threads on the port</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p09958221816">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p69954218185">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p119958221816">MAX</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row14276165962315"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p599512201811">maxConnections</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p208092521283">maxConnections</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1499516213181">Maximum number of connections on the port</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p2099532171818">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p3995172191818">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p499592131810">MAX</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row107841941205"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p09962220183">connectionCount</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p5809352286">connectionCount</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p1499613215189">Number of current connections of the port at the time of collection</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p399612218188">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p199611216188">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p129969241817">MAX</p>
</td>
</tr>
<tr id="apm_01_0022__en-us_topic_0000001485838456_row1978510411206"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.1 "><p id="apm_01_0022__en-us_topic_0000001485838456_p12996192161820">connectionCountMax</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.2 "><p id="apm_01_0022__en-us_topic_0000001485838456_p8810115219817">connectionCountMax</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.3 "><p id="apm_01_0022__en-us_topic_0000001485838456_p59961923184">Maximum number of connections on the port in a collection period</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.4 "><p id="apm_01_0022__en-us_topic_0000001485838456_p5996822182">-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.5 "><p id="apm_01_0022__en-us_topic_0000001485838456_p18996722187">INT</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.8.1.6 "><p id="apm_01_0022__en-us_topic_0000001485838456_p69961525182">MAX</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="apm_01_0013.html">Metric Overview</a></div>
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