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From: "Michiel Blokzijl (JIRA)" <jira@apache.org>
To: dev@stratos.incubator.apache.org
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Subject: [jira] [Commented] (STRATOS-1108) Longetivity test issu: VMs
 spawned and Stratos threw OutOfMemoryError
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    [ https://issues.apache.org/jira/browse/STRATOS-1108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14347090#comment-14347090 ] 

Michiel Blokzijl commented on STRATOS-1108:
-------------------------------------------

Did you find an answer to that question? :)

> Longetivity test issu: VMs spawned and Stratos threw OutOfMemoryError
> ---------------------------------------------------------------------
>
>                 Key: STRATOS-1108
>                 URL: https://issues.apache.org/jira/browse/STRATOS-1108
>             Project: Stratos
>          Issue Type: Bug
>          Components: CEP
>    Affects Versions: 4.1.0 Alpha
>            Reporter: Manula Chathurika Thantriwatte
>             Fix For: 4.1.0 Beta
>
>         Attachments: CEP_STRATOS_OOM.patch
>
>
> We have observed this issue on multiple testbeds where we observed VMs were being re-spawn after Stratos has been running for about 7-9 days. Wso2carbon log shows numerous OutOfMemoryError. Memory dump was auto-generated when this happened. 
> TID: [0] [STRATOS] [2014-09-07 03:43:48,708] ERROR {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} - GC overhead limit exceeded {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} 
> java.lang.OutOfMemoryError: GC overhead limit exceeded 
>         at java.util.concurrent.Executors.callable(Executors.java:369) 
>         at java.util.concurrent.FutureTask.<init>(FutureTask.java:152) 
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.<init>(ScheduledThreadPoolExecutor.java:207) 
>         at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:527) 
>         at org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor.run(SecondDerivativeFinderWindowProcessor.java:156) 
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262) 
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178) 
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292) 
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
>         at java.lang.Thread.run(Thread.java:745) 



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