Tomcat integration metrics
The official Datadog integration for monitoring Tomcat. It collects 30 metrics.
Official summary
Track requests per second, bytes served, cache hits, servlet metrics, and more.
Metric types
- gauge (value at a point in time): 30
Metrics
Descriptions are the official definitions, unedited.
| Metric | Type | Unit |
|---|---|---|
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/ |
Official documentation
Metric names and descriptions are the official Datadog integration definitions (Copyright Datadog, Inc., BSD-3-Clause), reproduced unedited. The full license terms are on the About page.