#JAVA MEMORY MONITOR INSTALL#
#JAVA MEMORY MONITOR PLUS#

The name of the config file is the name of the script plus a. ConfigureĬheck_jvm_memory looks for its configuration in the /etc/check-mk-agent directory. You might also want to configure warning and critical thresholds for OldGen as described in the Threshold section,Īnd for PermGen as well on Java 7 and under. I recommend setting a PidCommand in the configuration so that the script will always find the correct Java process to monitor if there are multiple Java processes running on the system. etc/check-mk-agent/check_tomcat_memory.cfg,Īnd including the Name option described below. This behavior can be overriden by creating a configuration file at The service check names start with TOMCAT_MEMORY instead of JVM_MEMORY. Since the script is called as check_tomcat_memory and not check_jvm_memory, P TOMCAT_MEMORY.CompressedClassSpace CompressedClassSpace=98.215967% CompressedClassSpace 98.2% (32.61 / 33.20 MB) Using the 300 subdirectory causes Check MK to run the script every 300 seconds (5 minutes),Īnd the check_tomcat_memory filename makes the script produce this output: Then symlink it from the Check MK script directory using a name to indicate the service it checks.įor example, to monitor Tomcat I symlink the script from /usr/share/check-mk-agent/local/300/check_tomcat_memory.

#JAVA MEMORY MONITOR INSTALL#

I prefer to install the script to /usr/local/bin/check_jvm_memory, You should be able to add the new service checks through WATO in the usual way. P JVM_MEMORY.CompressedClassSpace CompressedClassSpace=98.215967% CompressedClassSpace 98.2% (32.61 / 33.20 MB) Running the script should give you output that starts with a P, similar to this: On my systems, it’s /usr/share/check-mk-agent/local. The path to the script directory varies depending on how the Check MK agent was set up. It requires pidof unless you configure the PidCommand option.Īnd a version of jstat that’s compatible with the Java process you’re monitoring. To monitor JVM memory usage with jstat and Check MK.įor obvious reasons, it requires that you have a running Java process that you want to monitor. Monitoring Java Memory Usage with Jstat and Check MK - Wood's Words Wood's Words Monitoring Java Memory Usage with Jstat and Check MK

Java memory monitor