Running JIRA Version 9.12.7 on Linux Version 8, Running out of heap memory

[Martin Neal]

Jira App running on Linux Red hat 8.5 Virtual Machine.    Version 9.12.7

Causes JIRA application to die

Is there a way to get notification when the JAVA heap memory reaches a threshold

Does Atlassian have a tool ?

[Benjamin]

HI @Martin Neal ,

There should be built-in monitoring tools available for most virtual machines that can monitor all various system resources. If the application is already terminated, then there's probably no use to look at the system info. System info will show the memory consumption. in Jira admin panel. In many implementations I've seen, usually the monitoring is done with external tools.

Here's some information on what's available with Atlassian:

https://confluence.atlassian.com/enterprise/tools-for-monitoring-your-data-center-application-942851919.html

Since it sounds like the system is not stable, should start increasing the memory if that's where the issue is.

[Radek Dostál]

Yep yep, external monitoring is the way to go. Once you see your memory utilization over time you can see more clearly what's going on.

Keep in mind your jvm memory may be sized just fine - but something monstrous (bad plugin, bad script) could be exhausting it all. Or there could even be a leak because of something bad on your instance and no amount of memory will help.

Then again you only really see these things once you see the timeline or go through dumps on OoM to figure out what was going on or what was in heap at the time it went down. In general, if Jira seems to spend a lot of time on garbage collection because it keeps running out of memory, that's a pretty good indicator to increase it.