we have several Workflows designed. If one user opens one Workflow via the WF Designer the whole Jira Installation slows down.
Log files shows no errors which could cause the slowdown, DB (dedicated server) shows no slowdowns also. Monitoring of the Jira Server shows 99% CPU for every of the 4 cores (normal 1-10% per core).
If user exit the Designer the system works normally again.
Are there any tuning tipps?
May I know what JIRA workflow designer are you using? What version?
It happens in rare situations that due some upgrading failure that the plugin will be listed under User Installed plugin, which can cause some problems with the workflows when you try to open them.
Let us know how it goes.
That's pretty odd. I'm currently not sure what might the root cause of the problem be. However, the problem may be related to some third-party plugins which might be causing some memory leak and thus causing the CPU usage to bump up and cause the problem in turn.
Can you try to Enable Safe Mode and try to open the WF's and check whether the problem still producible?
i tried the safe mode also and the WF Designer has the same slowdowns.
I found another source which could cause this behaviour. I disabled the GZIP Compression and tried it again. The Designer is now more responsive, the system reacts better now.
I will watch the whole performance for some days and give feedback if it solves the problem.
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