Currently jira is starting with -XX:MaxPermSize=256m -Xms2048m -Xmx2048m values and we are experiencing EXTREME SLOWNESS in accessing jira and have to bounce it
Please let me know the recommended values to use?
Hi, tuning JIRA and any Java web application isn't as simple as increasing the memory. I would definitely look at where the bottleneck is and why is it slowing down.
Was it fast before?
When did it started happening? Has anything changed? It could be a plugin.
Do you see any errors in the logs? Often performance issues are caused by certain errors.
Is the response time slow or the page loading speed?
What version of Java are you running? It might be a good idea to update it to the latest that your version of JIRA supports.
Have you optimized you instance such as turning on compression and caching?
Is it the database or the hardware that is having issues here? Metrics need to be collected.
Before you take in any advice from here -- check out what the problem is. Any random changes could make matters worse.
Heap memory size is a bit counter-intuitive.
The rule of thumb is to reduce it until you get "out of memory" messages and increase it a trifle.
If you increase the heap size too much then "Garbage Collection" can take too long and you may see the slowness you are referring to.
Having said that there are plenty of other factors that could be responsible.
Like the OP, I have no trouble running at 1024
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