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zhengxiu
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: zhengxiu <zhengxiu@huawei.com> Co-committed-by: zhengxiu <zhengxiu@huawei.com>
52 lines
5.0 KiB
HTML
52 lines
5.0 KiB
HTML
<a name="EN-US_TOPIC_0000001987223073"></a><a name="EN-US_TOPIC_0000001987223073"></a>
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<h1 class="topictitle1">Elasticsearch Cluster Monitoring Metrics Supported by the Kernel</h1>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001987223073__table9434132712317" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Elasticsearch cluster monitoring metrics supported by the kernel</caption><thead align="left"><tr id="EN-US_TOPIC_0000001987223073__row4434527102316"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.1.2.5.1.1"><p id="EN-US_TOPIC_0000001987223073__p11434172716231">Metric</p>
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<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.1.2.5.1.2"><p id="EN-US_TOPIC_0000001987223073__p29081437172318">Description</p>
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<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.1.2.5.1.3"><p id="EN-US_TOPIC_0000001987223073__p10434182720238">Supported Cluster Version</p>
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<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.1.2.5.1.4"><p id="EN-US_TOPIC_0000001987223073__p2434927122310">Details</p>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001987223073__row1943412715235"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001987223073__p10434122752316">P99 latency for search requests</p>
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<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001987223073__en-us_topic_0000001938377876_p17345101319367">Open-source Elasticsearch provides only the average latency metric when monitoring responses to search requests. This may not accurately reflect the actual search performance of a cluster. To improve on this, the P99 latency metric is added in CSS to monitor the 99th percentile latency of each cluster.</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001987223073__p143531918718">Elasticsearch 7.6.2, Elasticsearch 7.10.2</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001987223073__p1434192702317"><a href="css_01_0177.html#EN-US_TOPIC_0000001938377876__section7236204762019">Monitoring P99 Latency</a></p>
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<tr id="EN-US_TOPIC_0000001987223073__row12434132792314"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001987223073__p1743482710239">HTTP status codes for the cluster</p>
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<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001987223073__en-us_topic_0000001938377876_p5549314412">When you access Elasticsearch through HTTP, you receive HTTP status codes in response to your requests. The native open-source Elasticsearch does not collect statistics on these status codes. To improve on this, HTTP status code monitoring is added in CSS, allowing you to monitor HTTP status codes and get a sense of how the service is running.</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001987223073__p1576663611254">Elasticsearch 7.6.2, Elasticsearch 7.10.2</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001987223073__p843422782312"><a href="css_01_0177.html#EN-US_TOPIC_0000001938377876__section1367052018215">Monitoring HTTP Status Codes</a></p>
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<tr id="EN-US_TOPIC_0000001987223073__row16761121311719"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001987223073__p177625131179">Cluster indexes</p>
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<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001987223073__p19667195121518">Index monitoring helps to monitor the index usage and trends of a cluster, allowing users to handle potential risks in a timely manner to ensure cluster reliability. Index usage statistics are collected and stored in the cluster's monitoring index (index name: <span class="parmvalue" id="EN-US_TOPIC_0000001987223073__en-us_topic_0000001938218528_parmvalue1432511499153"><b>monitoring-eye-css-[yyyy-mm-dd]</b></span>. By default, these monitoring indexes are retained for one week before being permanently deleted upon expiration.</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001987223073__p1356383611710">Elasticsearch 7.6.2, Elasticsearch 7.10.2</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001987223073__p576261311176"><a href="css_01_0135.html">Configuring Index Monitoring for an Elasticsearch Cluster</a></p>
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</tbody>
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</table>
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</div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="css_01_0025.html">Elasticsearch Cluster Monitoring Metrics</a></div>
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