I am unclear what an alert for Instance health regarding Java Virtual Machine > Code Cache Memory is

[admin admin]

It seems apparent that this would indicate a memory issue, though my server is configured to use what I would assume to be abundant amounts of RAM, and as this error is not particularly verbose, I want to know how I can look into validation;

Is this error just a recognition of it taking absurd amounts of time to complete tasks, or is there some server functionality that is lost because of this, that may explicitly require more than what is available, and therefore is not operating at all?

Essentially, how can I determine if this error is signifying a loss in productivity, or a loss of functionality?

[Kurt Klinner]

@admin admin 

Native code is stored in a memory area called code cache, if the area is too small the JVM will disable its just in time compiler, which can have an impact to your jiras performance

see also https://confluence.atlassian.com/jirakb/full-codecache-causes-jira-server-to-crash-or-perform-slowly-314447083.html and https://confluence.atlassian.com/jirakb/health-check-jvm-code-cache-976778141.html

Cheers

Kurt