Tomcat インテグレーションのメトリクス
Tomcat の監視に使う Datadog の公式インテグレーションです。収集するメトリクスは 30 件あります。
公式の紹介文 (英語)
Track requests per second, bytes served, cache hits, servlet metrics, and more.
種別の内訳
- gauge (その時点の値): 30 件
メトリクスの一覧
説明は公式の定義の英文をそのまま載せています。
| メトリクス | 種別 | 単位 |
|---|---|---|
tomcat.Bytes per second received by all request processors. | gauge | byte/ |
tomcat.Bytes per second sent by all the request processors. | gauge | byte/ |
tomcat.The number of errors per second on all request processors. | gauge | error/ |
tomcat.The number of established connections in the pool that are in use. | gauge | - |
tomcat.The number of established connections in the pool that are idle. | gauge | - |
tomcat.The maximum number of open connections. | gauge | - |
tomcat.The maximum number of idle connections. | gauge | - |
tomcat.The minimum number of idle connections. | gauge | - |
tomcat.The number of established connections in the pool, idle and in use. | gauge | - |
tomcat.The number of JSPs per second that have been loaded in the web module. | gauge | page/ |
tomcat.The number of JSPs per second that have been reloaded in the web module. | gauge | page/ |
tomcat.The longest request processing time (in milliseconds). | gauge | millisecond |
tomcat.The shortest request processing time (in milliseconds). | gauge | millisecond |
tomcat.The sum of request processing times across all requests handled by the request processors (in milliseconds) per second. | gauge | - |
tomcat.The number of requests per second across all request processors. | gauge | request/ |
tomcat.The number of erroneous requests received by the servlet per second. | gauge | error/ |
tomcat.The maximum processing time of a request | gauge | millisecond |
tomcat.The minimum processing time of a request | gauge | millisecond |
tomcat.The sum of request processing times across all requests to the servlet (in milliseconds) per second. | gauge | - |
tomcat.The number of requests received by the servlet per second. | gauge | request/ |
tomcat.The number of accesses to the string cache per second. | gauge | get/ |
tomcat.The size of the String cache | gauge | byte |
tomcat.The number of string cache hits per second. | gauge | hit/ |
tomcat.The maximum size of the String cache | gauge | byte |
tomcat.The number of threads that are in use. | gauge | thread |
tomcat.The number of threads managed by the thread pool. | gauge | thread |
tomcat.The maximum number of allowed worker threads. | gauge | thread |
tomcat.The minimum number of allowed worker threads. | gauge | thread |
tomcat.The number of web resource cache hits per second. | gauge | hit/ |
tomcat.The number of lookups to the web resource cache per second. | gauge | get/ |
公式ドキュメント
メトリクスの名前と説明は Datadog の公式インテグレーションの定義 (Copyright Datadog, Inc.・BSD-3-Clause) を英文のまま載せています。利用条件の全文は サイトについてにあります。