Question
High Memory Utilization
We have an application hosted on a JVM, which has around 16 GB of memory allocated. With only 3-5 users logged in, we see that the memory usage at times is around 12-14 GB. We checked the clipboard size of the requestors and none of them is more than a few MB (100 MB maximum at times). Cache size is not considerable either (all caches included amount to less than 1 GB). Any idea what else could be causing this high memory usage?
Pegasystems Inc.
IN
Hi,
Take a heap dump and analyze the Top contributors & Objects. heap dump will be in binary format, you can use MAT(Memory Analyser Tool) to decode.
~N
Pegasystems Inc.
AU
Which version of Pega are you using?
Would also recommend analyzing heap dumps to check top suspects and histograms.
Refer: https://eclipsesource.com/blogs/2013/01/21/10-tips-for-using-the-eclipse-memory-analyzer/
incessant
IN
HI
For starter can you check if GC is happening or not?
Check the Pega-Alert logs for PEGA0028 alerts
https://docs.pega.com/performance/pega0028-alert-gc-cannot-reclaim-memory-memory-pools
Pegasystems Inc.
PL
Hi,
I would like also mention that will be nice to see the all JVM parameters which are you using to run this process.
Thanks,
Lukasz