I uninstalled JEMH and re installed it after the re install jira suddenly goes very slow. The cpu usage of jira peaks at 80+% and it is impossible to use jira. If i remove JEMH the CPU usage of jira goes down to normal levels. Is this a issue you have ever enountered before ? I removed all the settings i had in the profile to be sure that it wasnt a issue with my settings
If you've uninstalled and reinstalled, you will get the latest compatible version. In doing this, its possible some schema upgrade tasks run that take time to complete. The specific type of data that needs to be updated is:
If you have a busy instance and/or have retained a large amount of audit history data there will be a lot of data to upgrade. The upgrade process is single threaded so on a multi-cpu instance should onyl occupy a single core and should not result in overall performance degredation.
To avoid this, the audit history retention needs to be set lower, perhaps days. To be able to do that, uninstall the current version, and back off to an ealier one (if this is part of an overall JIRA upgrade, making that impossible due to compatibility, you'll need to do a manual table purge for JEMH data, details of which are on the wiki.
Let me know if that doesnt resolve the problem you see?
This setting looks dangerous. Is it this that causes my problems ?
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