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Date: Wed, 10 Jul 2013 15:54:50 -0400
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Subject: Re: G1 before/after GC time graph
From: Otis Gospodnetic <otis.gospodnetic@gmail.com>
To: user@hbase.apache.org
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Sure, if I remember or if somebody follows up on this thread in N weeks.

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


On Wed, Jul 10, 2013 at 3:39 PM, Stack <stack@duboce.net> wrote:
> Thanks Otis.  Helps.  May we see a weeks-worth if (or when) it is available?
> St.Ack
>
>
> On Wed, Jul 10, 2013 at 12:00 PM, Otis Gospodnetic <
> otis.gospodnetic@gmail.com> wrote:
>
>> 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
>>