Check manual page of jolokia_metrics.gc

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Java virtual machine garbage collection

Distribution: official part of Check_MK
License: GPL
Supported Agents: Linux

This check monitors the count and assumed time of the garbage collection. It helps to recognize any deviation from the regular behaviour of the garbage collection. Such deviations could be more garbage collection runs per minute or an increase in the time the garbage collection is using per minute.

Since every tomcat instance has a different behaviour there are no default values set to avoid false alarms.

To use this plugin, Jolokia and the agent plugin need to be installed on the monitored server.

By default no levels are set because each virtual machine requires its own individual parameters.

Item

The name of the application server instance and name of the garbage collection as sent by the agent.

Discovery

One check is created per garbage collector sent by the Jolokia agent.