Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase >> mail # user >> G1 before/after GC time graph

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

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

On Wed, Jul 10, 2013 at 3:57 PM, Vladimir Rodionov
> What is  -Xmx heap size?
> Best regards,
> Vladimir Rodionov
> Principal Platform Engineer
> Carrier IQ, www.carrieriq.com
> ________________________________________
> From: Otis Gospodnetic [[EMAIL PROTECTED]]
> Sent: Wednesday, July 10, 2013 12:00 PM
> 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
> Confidentiality Notice:  The information contained in this message, including any attachments hereto, may be confidential and is intended to be read only by the individual or entity to whom this message is addressed. If the reader of this message is not the intended recipient or an agent or designee of the intended recipient, please note that any review, use, disclosure or distribution of this message or its attachments, in any form, is strictly prohibited.  If you have received this message in error, please immediately notify the sender and/or [EMAIL PROTECTED] and delete or destroy any copy of this message and its attachments.