doc-exports/docs/apm/umn/apm_07_0009.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">Call</h1>
<div id="body8662426"><p id="apm_07_0009__en-us_topic_0000001262004153_p15210204113618">This function monitors the calls of external services by the current application. It covers CSEConsumer, ApacheHttpClient, ApacheHttpAsyncClient, DubboConsumer, and HttpClient monitoring.</p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p971891911157">This section focuses on HttpClient monitoring.</p>
<div class="section" id="apm_07_0009__en-us_topic_0000001262004153_section16637194415596"><h4 class="sectiontitle">Going to the Call Page</h4><ol id="apm_07_0009__en-us_topic_0000001262004153_ol17556193394311"><li id="apm_07_0009__en-us_topic_0000001262004153_li76393163412"><span>Log in to the management console.</span></li><li id="apm_07_0009__en-us_topic_0000001262004153_li1456354810599"><span>Click <span><img id="apm_07_0009__en-us_topic_0000001262004153_image7899155814592" src="en-us_image_0000001620923917.png"></span> on the left and choose <strong id="apm_07_0009__en-us_topic_0000001262004153_b93321311418">Management &amp; Deployment</strong> &gt; <strong id="apm_07_0009__en-us_topic_0000001262004153_b7991728183515">Application Performance Management</strong>.</span></li><li id="apm_07_0009__en-us_topic_0000001262004153_li1555643334315"><span>In the navigation pane, choose <strong id="apm_07_0009__en-us_topic_0000001262004153_b1791413171585">Application Monitoring</strong> &gt; <strong id="apm_07_0009__en-us_topic_0000001262004153_b16921111735811">Metrics</strong>.</span></li><li id="apm_07_0009__en-us_topic_0000001262004153_li14556933194318"><span>In the tree on the left, click <span><img id="apm_07_0009__en-us_topic_0000001262004153_image1854141110100" src="en-us_image_0000001277942265.png"></span> next to the target environment.</span></li><li id="apm_07_0009__en-us_topic_0000001262004153_li9750930145818"><span>Click the <strong id="apm_07_0009__en-us_topic_0000001262004153_b157620165118">Call</strong> tab. By default, the HttpClient monitoring information of all instances is displayed.</span><p><p id="apm_07_0009__en-us_topic_0000001262004153_p1395143023414"></p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig1480125611367"><span class="figcap"><b>Figure 1 </b>External call data</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image198011856193613" src="en-us_image_0000001627264696.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="apm_07_0009__en-us_topic_0000001262004153_li4711950184320"><span>On the displayed <strong id="apm_07_0009__en-us_topic_0000001262004153_b145331555193515">Call</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_0009__en-us_topic_0000001262004153_fig20135159113811"><span class="figcap"><b>Figure 2 </b>Selecting an instance and monitoring item</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image12136205918382" src="en-us_image_0000001676184865.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="apm_07_0009__en-us_topic_0000001262004153_li1724462217266"><span>Select a time range. Default: <strong id="apm_07_0009__en-us_topic_0000001262004153_b19219105554517">Last 20 minutes</strong>.</span><p><p id="apm_07_0009__en-us_topic_0000001262004153_p1117642472615">Options: <strong id="apm_07_0009__en-us_topic_0000001262004153_b186555575454">Last 20 minutes</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b3655157164510">Last hour</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b865617579452">Last 3 hours</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b16571857194514">Last 6 hours</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b16571057154510">Last day</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b8658857194513">Today</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b1365875774519">Yesterday</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b3659857154511">Last week</strong>, <strong id="apm_07_0009__en-us_topic_0000001262004153_b66602057154515">Last month</strong>, or <strong id="apm_07_0009__en-us_topic_0000001262004153_b13660557164513">Custom</strong>.</p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig1432711443415"><span class="figcap"><b>Figure 3 </b>Selecting a time range</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image83271944194110" src="en-us_image_0000001651752769.png" title="Click to enlarge" class="imgResize"></span></div>
</p></li><li id="apm_07_0009__en-us_topic_0000001262004153_li4899722612"><span>Click <span><img id="apm_07_0009__en-us_topic_0000001262004153_image1049210218461" src="en-us_image_0000001650595589.png"></span> in the upper right corner of the list and select the metric data you want to view.</span></li></ol>
</div>
<div class="section" id="apm_07_0009__en-us_topic_0000001262004153_section168331456106"><h4 class="sectiontitle">Viewing HttpClient Monitoring Data</h4><p id="apm_07_0009__en-us_topic_0000001262004153_p5172617143613"><strong id="apm_07_0009__en-us_topic_0000001262004153_b1242983111210">URL summary</strong></p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p95352046183914">The HttpClient monitoring system collects the metrics of each URL. For details about the metrics, see <a href="#apm_07_0009__en-us_topic_0000001262004153_table43721153163916">Table 1</a>. Click <span><img id="apm_07_0009__en-us_topic_0000001262004153_image25351466394" src="en-us_image_0000001663034108.png"></span> in the upper right corner of the list and select the metric data you want to view.</p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig10432102524119"><span class="figcap"><b>Figure 4 </b>URL summary under HttpClient monitoring</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image13432122554116" src="en-us_image_0000001675945469.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0009__en-us_topic_0000001262004153_table43721153163916"></a><a name="en-us_topic_0000001262004153_table43721153163916"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0009__en-us_topic_0000001262004153_table43721153163916" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters of URL summary under HttpClient monitoring</caption><thead align="left"><tr id="apm_07_0009__en-us_topic_0000001262004153_row193724536394"><th align="left" class="cellrowborder" valign="top" width="20.092009200920092%" id="mcps1.3.4.5.2.4.1.1"><p id="apm_07_0009__en-us_topic_0000001262004153_p10373205313915">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.912691269126913%" id="mcps1.3.4.5.2.4.1.2"><p id="apm_07_0009__en-us_topic_0000001262004153_p737385303913">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="52.995299529953%" id="mcps1.3.4.5.2.4.1.3"><p id="apm_07_0009__en-us_topic_0000001262004153_p0373175353915">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0009__en-us_topic_0000001262004153_row1937311532393"><td class="cellrowborder" rowspan="15" valign="top" width="20.092009200920092%" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1237325312394">URL summary</p>
</td>
<td class="cellrowborder" valign="top" width="26.912691269126913%" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p101517124417">url</p>
</td>
<td class="cellrowborder" valign="top" width="52.995299529953%" headers="mcps1.3.4.5.2.4.1.3 "><p id="apm_07_0009__en-us_topic_0000001262004153_p10018170449">Called URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1537325343919"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p16373145373920">method</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p33734531390">HTTP method of the URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row16373453133912"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p13935135410443">Calls</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p8935155412444">Number of times that the URL is called</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row337305363918"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1037314538397">Avg RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p10373953123910">Average response time of the called URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row16373155323910"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p537353724513">Errors</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p837323719453">Number of call errors of the URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row2373145343910"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p9101194310453">Max Concurrency</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p7101174304516">Maximum concurrency of the URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row3374155314396"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p10374125314397">Max RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p637405311391">Maximum response time of the called URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1423830124511"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p3344144124616">0 ms10 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p234484184619">Number of requests with 0 ms10 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row14241530154516"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p7542124834614">10 ms100 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p5542164854612">Number of requests with 10 ms100 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row524113094516"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p142961654134613">100 ms500 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p82961754124619">Number of requests with 100 ms500 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row424143014519"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p16882175834614">500 ms1s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p13882858104620">Number of requests with 500 ms1s response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row192443014457"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p148174194713">1s10s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p2482474715">Number of requests with 1s10s response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row924103015453"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p99801398473">10sn</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p598009194719">Number of requests with response time longer than 10s</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1125430174513"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p9505192174812">Error Trace</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p35051827488">ID of the trace that encounters an error in a collection period</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row515918243475"><td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p17508194717486">Slowest Trace</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.5.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p132101494811">ID of the slowest trace in a collection period</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0009__en-us_topic_0000001262004153_ul52701432172117"><li id="apm_07_0009__en-us_topic_0000001262004153_li149971559167">Click a number in blue (such as those in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b74088618913">Calls</strong> or <strong id="apm_07_0009__en-us_topic_0000001262004153_b94085617911">Avg RT (ms)</strong> column) to view more details.</li><li id="apm_07_0009__en-us_topic_0000001262004153_li9819103532816">Click the text in blue (such as those in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b207861839111013">Slowest Trace</strong> or <strong id="apm_07_0009__en-us_topic_0000001262004153_b13787239141014">Error Trace</strong> column) to view more details.</li></ul>
<p id="apm_07_0009__en-us_topic_0000001262004153_p122271922154017"><strong id="apm_07_0009__en-us_topic_0000001262004153_b18655152213127">Cluster summary</strong></p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p8488112665119">APM can summarize external call metrics by cluster. For details about the metrics, see <a href="#apm_07_0009__en-us_topic_0000001262004153_table191674445211">Table 2</a>.</p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig19540121918449"><span class="figcap"><b>Figure 5 </b>Cluster summary under HttpClient monitoring</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image154021944410" src="en-us_image_0000001627426716.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0009__en-us_topic_0000001262004153_table191674445211"></a><a name="en-us_topic_0000001262004153_table191674445211"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0009__en-us_topic_0000001262004153_table191674445211" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters of cluster summary under HttpClient monitoring</caption><thead align="left"><tr id="apm_07_0009__en-us_topic_0000001262004153_row416718415214"><th align="left" class="cellrowborder" valign="top" width="20.092009200920092%" id="mcps1.3.4.10.2.4.1.1"><p id="apm_07_0009__en-us_topic_0000001262004153_p18167164155216">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.912691269126913%" id="mcps1.3.4.10.2.4.1.2"><p id="apm_07_0009__en-us_topic_0000001262004153_p716744125214">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="52.995299529953%" id="mcps1.3.4.10.2.4.1.3"><p id="apm_07_0009__en-us_topic_0000001262004153_p171681543526">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0009__en-us_topic_0000001262004153_row1216874115213"><td class="cellrowborder" rowspan="12" valign="top" width="20.092009200920092%" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p15168549521">Cluster summary</p>
</td>
<td class="cellrowborder" valign="top" width="26.912691269126913%" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p10783115425214">envId</p>
</td>
<td class="cellrowborder" valign="top" width="52.995299529953%" headers="mcps1.3.4.10.2.4.1.3 "><p id="apm_07_0009__en-us_topic_0000001262004153_p81682048528">Cluster ID of the called party</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row11682435219"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p36521144165311">Calls</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1565218441534">Number of times that the cluster URL is called</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row816816415521"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1516814185212">Avg RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p191685420523">Average response time for calling the cluster URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row6168164135213"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p131680425218">Errors</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1816812465213">Number of call errors of the URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row41682465220"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p316910412527">Max RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p31691145523">Maximum response time for calling the cluster URL</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row13310456319"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p103316456311">hostUri</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p233154515317">URI of the host</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row151691346524"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p141698410522">0 ms10 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1416910415528">Number of requests with 0 ms10 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row51692049523"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p916916411527">10 ms100 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p3169540526">Number of requests with 10 ms100 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1916915435213"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p616915413521">100 ms500 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p191691148525">Number of requests with 100 ms500 ms response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1616916455213"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p17169114125211">500 ms1s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p216920485214">Number of requests with 500 ms1s response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row151698435211"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p4169542523">1s10s</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p151697465217">Number of requests with 1s10s response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1516917419521"><td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p16169184165218">10sn</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.10.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p6169544522">Number of requests with response time longer than 10s</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="apm_07_0009__en-us_topic_0000001262004153_p6731141923817">Click a number in blue (such as those in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b05001038131512">Calls</strong> or <strong id="apm_07_0009__en-us_topic_0000001262004153_b0500133817159">Avg RT (ms)</strong> column) to view more details.</p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p1533710309117"><strong id="apm_07_0009__en-us_topic_0000001262004153_b16393161911317">Status code summary</strong></p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p1217352165610">APM can summarize external call metrics by status code. For details about the metrics, see <a href="#apm_07_0009__en-us_topic_0000001262004153_table962120572">Table 3</a>.</p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig73116509459"><span class="figcap"><b>Figure 6 </b>Status code summary under HttpClient monitoring</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image03125034516" src="en-us_image_0000001675947013.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0009__en-us_topic_0000001262004153_table962120572"></a><a name="en-us_topic_0000001262004153_table962120572"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0009__en-us_topic_0000001262004153_table962120572" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameters of status code summary under HttpClient monitoring</caption><thead align="left"><tr id="apm_07_0009__en-us_topic_0000001262004153_row16622027576"><th align="left" class="cellrowborder" valign="top" width="19.43194319431943%" id="mcps1.3.4.15.2.4.1.1"><p id="apm_07_0009__en-us_topic_0000001262004153_p116282105714">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="27.57275727572757%" id="mcps1.3.4.15.2.4.1.2"><p id="apm_07_0009__en-us_topic_0000001262004153_p262172195714">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="52.995299529953%" id="mcps1.3.4.15.2.4.1.3"><p id="apm_07_0009__en-us_topic_0000001262004153_p2629214576">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0009__en-us_topic_0000001262004153_row1862422574"><td class="cellrowborder" rowspan="3" valign="top" width="19.43194319431943%" headers="mcps1.3.4.15.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1662132105714">Status code summary</p>
</td>
<td class="cellrowborder" valign="top" width="27.57275727572757%" headers="mcps1.3.4.15.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p15627219575">code</p>
</td>
<td class="cellrowborder" valign="top" width="52.995299529953%" headers="mcps1.3.4.15.2.4.1.3 "><p id="apm_07_0009__en-us_topic_0000001262004153_p13637212579">Status code</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row9638295718"><td class="cellrowborder" valign="top" headers="mcps1.3.4.15.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p26796453588">Count</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.15.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p146781645135812">Number of times that the status code has occurred</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row4631824578"><td class="cellrowborder" valign="top" headers="mcps1.3.4.15.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p146780459582">Latest URL</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.15.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1767712456589">URL that returns the status code</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0009__en-us_topic_0000001262004153_ul20338143012118"><li id="apm_07_0009__en-us_topic_0000001262004153_li112801289440">Click a status code in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b1160064511919">code</strong> column. The tracing page is displayed, showing the invocation condition of the status code of the selected instance in the environment in last 20 minutes (default).</li><li id="apm_07_0009__en-us_topic_0000001262004153_li9281102819441">Click a number in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b44093582198">Count</strong> column to view the trend of the status code in a specified period.</li><li id="apm_07_0009__en-us_topic_0000001262004153_li2338113014119">Click the latest URL to view the invocation details of the corresponding status code.</li></ul>
<p id="apm_07_0009__en-us_topic_0000001262004153_p2892183516214"><strong id="apm_07_0009__en-us_topic_0000001262004153_b28341919121415">Exception</strong></p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p488316203017">On the <strong id="apm_07_0009__en-us_topic_0000001262004153_b1167911230205">Exception</strong> tab page, view the exception statistics about HttpClient calls. For details about the metrics, see <a href="#apm_07_0009__en-us_topic_0000001262004153_table847310368015">Table 4</a>.</p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig10302124134715"><span class="figcap"><b>Figure 7 </b>HttpClient monitoring exceptions</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image1030244112477" src="en-us_image_0000001627268020.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0009__en-us_topic_0000001262004153_table847310368015"></a><a name="en-us_topic_0000001262004153_table847310368015"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0009__en-us_topic_0000001262004153_table847310368015" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Parameters of HttpClient monitoring exceptions</caption><thead align="left"><tr id="apm_07_0009__en-us_topic_0000001262004153_row1147313361010"><th align="left" class="cellrowborder" valign="top" width="19.43194319431943%" id="mcps1.3.4.20.2.4.1.1"><p id="apm_07_0009__en-us_topic_0000001262004153_p34736361303">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="27.57275727572757%" id="mcps1.3.4.20.2.4.1.2"><p id="apm_07_0009__en-us_topic_0000001262004153_p8473936904">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="52.995299529953%" id="mcps1.3.4.20.2.4.1.3"><p id="apm_07_0009__en-us_topic_0000001262004153_p1447314369012">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0009__en-us_topic_0000001262004153_row947383612013"><td class="cellrowborder" rowspan="5" valign="top" width="19.43194319431943%" headers="mcps1.3.4.20.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p94734363010">Exception</p>
</td>
<td class="cellrowborder" valign="top" width="27.57275727572757%" headers="mcps1.3.4.20.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1247316362003">causeType</p>
</td>
<td class="cellrowborder" valign="top" width="52.995299529953%" headers="mcps1.3.4.20.2.4.1.3 "><p id="apm_07_0009__en-us_topic_0000001262004153_p54737361014">Exception class</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row1747315368017"><td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p8473193618019">exceptionType</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1947314361607">Exception type</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row3474936108"><td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p632913461819">Count</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1647473613015">Number of times the exception has occurred</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row72451030914"><td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p2245193011115">Error Message</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p12245183013117">Message returned when the exception has occurred</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row424583011115"><td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p22451730917">Error Stack</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.20.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p13245203013110">Exception stack information</p>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="apm_07_0009__en-us_topic_0000001262004153_ul15294124065317"><li id="apm_07_0009__en-us_topic_0000001262004153_li6989184332619">Click a number in blue in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b15307121142314">Count</strong> column to view the trend of the thread in a specified period.</li><li id="apm_07_0009__en-us_topic_0000001262004153_li1820724872711">Click the text in blue in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b1738742411409">Error Message</strong> column to view message details.</li><li id="apm_07_0009__en-us_topic_0000001262004153_li77891512152911">Click <strong id="apm_07_0009__en-us_topic_0000001262004153_b019812412389">Detail</strong> in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b819962483813">Error Stack</strong> column to view exception details.</li><li id="apm_07_0009__en-us_topic_0000001262004153_li54716915308">Click <strong id="apm_07_0009__en-us_topic_0000001262004153_b85031523392">History</strong> in the <strong id="apm_07_0009__en-us_topic_0000001262004153_b135044213914">Error Stack</strong> column to view the historical error stack list.</li></ul>
<p id="apm_07_0009__en-us_topic_0000001262004153_p0623355124116"><strong id="apm_07_0009__en-us_topic_0000001262004153_b1492235151311">Overview</strong></p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p11149914130">On the <strong id="apm_07_0009__en-us_topic_0000001262004153_b1541032917234">Overview</strong> tab page, view the metrics of the selected instance. For details about the metrics, see <a href="#apm_07_0009__en-us_topic_0000001262004153_table714417141030">Table 5</a>.</p>
<p id="apm_07_0009__en-us_topic_0000001262004153_p97614101149"></p>
<div class="fignone" id="apm_07_0009__en-us_topic_0000001262004153_fig398419124494"><span class="figcap"><b>Figure 8 </b>Overview under HttpClient monitoring</span><br><span><img id="apm_07_0009__en-us_topic_0000001262004153_image5985151224911" src="en-us_image_0000001676267965.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="tablenoborder"><a name="apm_07_0009__en-us_topic_0000001262004153_table714417141030"></a><a name="en-us_topic_0000001262004153_table714417141030"></a><table cellpadding="4" cellspacing="0" summary="" id="apm_07_0009__en-us_topic_0000001262004153_table714417141030" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Overview parameters of HttpClient monitoring</caption><thead align="left"><tr id="apm_07_0009__en-us_topic_0000001262004153_row171441914134"><th align="left" class="cellrowborder" valign="top" width="19.43194319431943%" id="mcps1.3.4.26.2.4.1.1"><p id="apm_07_0009__en-us_topic_0000001262004153_p814414149313">Metric Set</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="27.57275727572757%" id="mcps1.3.4.26.2.4.1.2"><p id="apm_07_0009__en-us_topic_0000001262004153_p19144914739">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="52.995299529953%" id="mcps1.3.4.26.2.4.1.3"><p id="apm_07_0009__en-us_topic_0000001262004153_p41443141312">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="apm_07_0009__en-us_topic_0000001262004153_row2014416143310"><td class="cellrowborder" rowspan="3" valign="top" width="19.43194319431943%" headers="mcps1.3.4.26.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p11444141036">Overview</p>
</td>
<td class="cellrowborder" valign="top" width="27.57275727572757%" headers="mcps1.3.4.26.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p038812571310">Calls</p>
</td>
<td class="cellrowborder" valign="top" width="52.995299529953%" headers="mcps1.3.4.26.2.4.1.3 "><p id="apm_07_0009__en-us_topic_0000001262004153_p1738818573310">Total number of calls</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row61441214831"><td class="cellrowborder" valign="top" headers="mcps1.3.4.26.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p10965184217416">Avg RT (ms)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.26.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p139752429420">Average response time</p>
</td>
</tr>
<tr id="apm_07_0009__en-us_topic_0000001262004153_row11145914830"><td class="cellrowborder" valign="top" headers="mcps1.3.4.26.2.4.1.1 "><p id="apm_07_0009__en-us_topic_0000001262004153_p832312162511">Errors</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.26.2.4.1.2 "><p id="apm_07_0009__en-us_topic_0000001262004153_p203231416158">Total number of errors</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
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