Thanks for the info will check as suggested and update.
-Iranga On 2014 මාර්තු 3, at ප.ව. 10.57, Srinath Perera <[email protected]> wrote: > GC overhead exceeded means more than 99% CPU spent of GC. Reason is you are > creating too many/ too complex objects. > > Any chance you can reduce amount of object you create? Allocation view of a > profiler can help. > > --Srinath > > > On Mon, Mar 3, 2014 at 10:51 PM, Chamila Wijayarathna <[email protected]> > wrote: >> Hi, >> I got a similar error when running a cassandra archive job on BAM. By >> analyzing "heap-dump.hprof" file, using Eclipse Memory Analyzer, I found >> that 1 memory table has grow more than 600MB. >> In this case, what I did as solution is reducing >> "flush_largest_memtables_at" value in cassandra.yaml from 0.75 to 0.4. >> As Dr. Srinath explained, jvm starts to flush its largest memory table at >> the point it jvm consume 0.75 of memory. But before that process finishes >> memory overflow can occur. But reducing that value this can be solved if >> this occurs due to same reason. I am not sure if this works in ESB case. >> >> Thank You! >> >> >> On Mon, Mar 3, 2014 at 10:09 PM, Iranga Muthuthanthri <[email protected]> >> wrote: >>> Thanks Udara. Checked it before and the stack trace was different.The >>> culprit in this case appears to from the andes client. >>> >>> On Mar 3, 2014 9:25 PM, "Udara Liyanage" <[email protected]> wrote: >>>> I saw a similar issue occurred in BAM. Have a look mail thread subjected " >>>> [Dev] [BAM] java.lang.OutOfMemoryError: GC overhead limit exceeded" >>>> >>>> Touched, not typed. Erroneous words are a feature, not a typo. >>>> >>>> On Mar 3, 2014 6:57 PM, "Iranga Muthuthanthri" <[email protected]> wrote: >>>>> Hi All. >>>>> >>>>> Following was noted in testing for 100,00 messages for the ESB (4.8.1) >>>>> message store and forward scenario in a MB 2.1.0 cluster environment. >>>>> >>>>> Issue:Out of memory exception noted in ESB console. >>>>> >>>>> [2014-03-03 04:37:36,065] ERROR - JmsStore Could not create a Message >>>>> Producer for Store [MessageStoreO1]. Error:GC overhead limit exceeded >>>>> java.lang.OutOfMemoryError: GC overhead limit exceeded >>>>> at java.util.Arrays.copyOfRange(Arrays.java:3209) >>>>> at java.lang.String.<init>(String.java:215) >>>>> at java.lang.StringBuilder.toString(StringBuilder.java:430) >>>>> at java.lang.Object.toString(Object.java:219) >>>>> at >>>>> org.wso2.andes.client.BasicMessageProducer.setPublishMode(BasicMessageProducer.java:167) >>>>> at >>>>> org.wso2.andes.client.BasicMessageProducer.<init>(BasicMessageProducer.java:148) >>>>> at >>>>> org.wso2.andes.client.BasicMessageProducer_0_8.<init>(BasicMessageProducer_0_8.java:51) >>>>> at >>>>> org.wso2.andes.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:411) >>>>> at >>>>> org.wso2.andes.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:82) >>>>> at org.wso2.andes.client.AMQSession$7.execute(AMQSession.java:2632) >>>>> at org.wso2.andes.client.AMQSession$7.execute(AMQSession.java:2627) >>>>> at >>>>> org.wso2.andes.client.AMQConnectionDelegate_8_0.executeRetrySupport(AMQConnectionDelegate_8_0.java:315) >>>>> at >>>>> org.wso2.andes.client.AMQConnection.executeRetrySupport(AMQConnection.java:621) >>>>> at >>>>> org.wso2.andes.client.failover.FailoverRetrySupport.execute(FailoverRetrySupport.java:102) >>>>> at >>>>> org.wso2.andes.client.AMQSession.createProducerImpl(AMQSession.java:2625) >>>>> at >>>>> org.wso2.andes.client.AMQSession.createProducerImpl(AMQSession.java:2619) >>>>> at org.wso2.andes.client.AMQSession.createProducer(AMQSession.java:1231) >>>>> at org.wso2.andes.client.AMQSession.createProducer(AMQSession.java:109) >>>>> at >>>>> org.apache.synapse.message.store.impl.jms.JmsStore.newProducer(JmsStore.java:346) >>>>> at >>>>> org.apache.synapse.message.store.impl.jms.JmsStore.getProducer(JmsStore.java:136) >>>>> at >>>>> org.apache.synapse.mediators.store.MessageStoreMediator.mediate(MessageStoreMediator.java:84) >>>>> at >>>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) >>>>> at >>>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) >>>>> at >>>>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) >>>>> at >>>>> org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:166) >>>>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) >>>>> at >>>>> org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:411) >>>>> at >>>>> org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:183) >>>>> at >>>>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) >>>>> at java.lang.Thread.run(Thread.java:662) >>>>> >>>>> >>>>> Issue details can be found on:https://wso2.org/jira/browse/ESBJAVA-3024 >>>>> >>>>> >>>>> >>>>> -- >>>>> Thanks & Regards >>>>> >>>>> Iranga Muthuthanthri >>>>> Technical Lead - QA >>>>> (M) -0777-255773 >>>>> >>>>> _______________________________________________ >>>>> Dev mailing list >>>>> [email protected] >>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> >> >> -- >> Chamila Wijayarathna >> Engineering Intern, >> WSO2 Inc. >> >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev > > > > -- > ============================ > Srinath Perera, Ph.D. > Director, Research, WSO2 Inc. > Visiting Faculty, University of Moratuwa > Member, Apache Software Foundation > Research Scientist, Lanka Software Foundation > Blog: http://srinathsview.blogspot.com/ > Photos: http://www.flickr.com/photos/hemapani/ > Phone: 0772360902
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