CacheStatisticsEventPublisher causing CPU spike or slow performance in Confluence 5.4/5.5

Still need help?

The Atlassian Community is here for you.

Ask the community


Every 30 minutes, CPU spikes and/or performance suffers. The CacheStatisticsEventPublisher class is determined to be at fault (see Diagnosis below). 


You can use inbuilt VM or server monitoring tools, or a third party tool like New Relic, to pinpoint problematic requests/threads. You could also analyse a series of external thread dumps to determine long running threads, or to look for patterns of threads running during slow downs.


The CacheStatisticsEventPublisher is currently not used, so it is safe to disable it from running. To do this, enter this JVM parameter:



This issue will be resolved in Confluence 5.6. Please upgrade to that version when it is available.



Last modified on Nov 2, 2018

Was this helpful?

Provide feedback about this article
Powered by Confluence and Scroll Viewport.