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Application not responding when GC runs

user915 Published in June 20, 2018, 10:45 pm

Our application runs 24*7 with heavy user load, recnlty we started having issues with system performance, application not responding, we had to restart JVM to get it back online while investigating we found out that JVM runs GC and at that time application slows down, sometime not even responding, Below is our stats for GC during that time. GC Heap GC Summary

Looking at this data, is there any recommendations on what to look for or if any JVM configuration needs to be corrected?

Java Version is 7, GC settings are #jvm -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintHeapAtGC -XX:+PrintGCDateStamps -Xloggc:/opt/Server/logs/gclog.log -XX:+HeapDumpOnOutOfMemoryError -XX:+DisableExplicitGC -Xms4096M -Xmx6144M -XX:PermSize=512M -XX:MaxPermSize=1024M -XX:ErrorFile=./log/error.log -XX:HeapDumpPath=./log/heap_dump.hprof –

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