jmeter - CPU usage of Jboss JVM goes upto 99% and stays there -


i doing load testing on application using jmeter , have situation cpu usage applications jvm goes 99% , stays there. application still work, able login , activity. but, it’s understandably slower.

details of environment:

server: amd optrom, 2.20 ghz, 8 core, 64bit, 24 gb ram. windows server 2008 r2 standard

application server: jboss-4.0.4.ga

java: jdk1.6.0_25, java hotspot(tm) 64-bit server vm

jvm settings: -xms1g -xmx10g -xx:maxnewsize=3g -xx:maxpermsize=12g -xx:+useconcmarksweepgc -xx:+useparnewgc -xx:+usecompressedoops -dsun.rmi.dgc.client.gcinterval=1800000 -dsun.rmi.dgc.server.gcinterval=1800000

database: mysql 5.6 (in different machine)

jmeter: 2.13

my scenario that, make 20 users of application log , perform normal activity should not bringing huge load. some, minutes process, jvm of jboss goes , never comes back. cpu usage remain till jvm killed.

to better understand, here few screen shots.

visual gc

visual vm

i found few post had cup @ 100%, nothing there same situation , not find solution. suggestion on what’s done great.

regards,

sreekanth.


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