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HBase >> mail # user >> G1 before/after GC time graph


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Re: G1 before/after GC time graph
Not big in this case - 1800m

Otis
--
HBase Performance Monitoring -- http://sematext.com/spm

On Wed, Jul 10, 2013 at 3:57 PM, Vladimir Rodionov
<[EMAIL PROTECTED]> wrote:
>
> What is  -Xmx heap size?
>
> Best regards,
> Vladimir Rodionov
> Principal Platform Engineer
> Carrier IQ, www.carrieriq.com
> e-mail: [EMAIL PROTECTED]
>
> ________________________________________
> From: Otis Gospodnetic [[EMAIL PROTECTED]]
> Sent: Wednesday, July 10, 2013 12:00 PM
> To: [EMAIL PROTECTED]
> Subject: G1 before/after GC time graph
>
> Hi,
>
> There was talk of G1 and HBase here over the past few days.  I wanted
> to share a fresh and telling SPM graph showing G1 + some other params
> in action:
>
> Result first: https://apps.sematext.com/spm/s/wN0hKVixxX
>
> This is what we had before:
>   -XX:+HeapDumpOnOutOfMemoryError -XX:+UseG1GC
> -XX:InitiatingHeapOccupancyPercent=35 -XX:G1ReservePercent=25
>
> And then we added:
>   -XX:MaxGCPauseMillis=200 -XX:NewRatio=4
>
> I hope this helps.
>
> Otis
> --
> HBase Performance Monitoring -- http://sematext.com/spm
>
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB