Reg : Questions for tuning in G1GC

monish kumar monishkumarit at gmail.com
Thu Jul 6 17:00:15 UTC 2017


++latest logs

On Thu, Jul 6, 2017 at 10:20 PM, monish kumar <monishkumarit at gmail.com>
wrote:

> Hi Team,
>
> We are hosting a application with 56 Gig of ram among that we have
> allocated 36 Gig for Jvm.
>
> I have attached my recent GC Logs please reivew all of that, I have a
> question do we really need to have space for permenant generation when we
> are using G1GC.
>
> Available processors 8
>
> Here is the Jvm Args we used.
>
> please let me know if anything i need to add or remove args which also i
> need to provide valid explanation to my higher officials.
>
> -XX:PermSize=12288m
> -XX:MaxPermSize=12288m
> -Xms24576m
> -Xmx24576m
> -Duser.timezone=UTC
> -XX:+PrintGCDetails
> -XX:+PrintGCDateStamps
> -Xloggc: log\gc.log
> -XX:+UseGCLogFileRotation
> -XX:NumberOfGCLogFiles=10
> -XX:GCLogFileSize=10m
> -XX:+HeapDumpOnOutOfMemoryError
> -XX:ReservedCodeCacheSize=512m
> -XX:HeapDumpPath=C:\temp\
>
> -XX:SoftRefLRUPolicyMSPerMB=100
> -XX:+UseG1GC
> -Dsun.rmi.dgc.server.gcInterval=31536000000
> -Dsun.rmi.dgc.client.gcInterval=31536000000
> -XX:CMSMaxAbortablePrecleanTime=15000
>
>
> --
> Thanks & Regards,
> A.Monish Kumar.
>
>
>
>


-- 
Thanks & Regards,
A.Monish Kumar.
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