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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-16608) Introducing the ability to merge ImmutableSegments without copy-compaction or SQM usage
Date Thu, 20 Oct 2016 07:01:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15591021#comment-15591021
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ramkrishna.s.vasudevan edited comment on HBASE-16608 at 10/20/16 7:00 AM:
--------------------------------------------------------------------------

Latest test results after the CollectionMSLAB fix to avoid Full GC.
{code}
Default memstore on trunk 50 threads
 Min: 808073ms   Max: 844064ms   Avg: 833224ms

 compacting memstore on trunk 50 threads
 Min: 822968ms   Max: 858813ms   Avg: 848612ms
{code}
||Memstore type||Number of GC pauses||Total GC in secs||No of mixed GC||Avg mixed GC in secs||No
of young GC||Avg young GC in secs||
|default memstore|600|95.45|49|0.410|398|0.155|
|compacting memstore|724|128.34|92|0.552|452|0.126|

I think the memory leak is solved as per this run and we can see if we are ok to commit this
patch after you guys can review it.


was (Author: ram_krish):
Latest test results after the CollectionMSLAB fix to avoid Full GC.
{code}
Default memstore on trunk 50 threads
 Min: 808073ms   Max: 844064ms   Avg: 833224ms

 compacting memstore on trunk 50 threads
 Min: 822968ms   Max: 858813ms   Avg: 848612ms
{code}
||Number of GC pauses||Total GC in secs||No of mixed GC||Avg mixed GC in secs||No of young
GC||Avg young GC in secs||
|default memstore|600|95.45|49|0.410|398|0.155|
|compacting memstore|724|128.34|92|0.552|452|0.126|

I think the memory leak is solved as per this run and we can see if we are ok to commit this
patch after you guys can review it.

> Introducing the ability to merge ImmutableSegments without copy-compaction or SQM usage
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-16608
>                 URL: https://issues.apache.org/jira/browse/HBASE-16608
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anastasia Braginsky
>            Assignee: Anastasia Braginsky
>         Attachments: HBASE-16417-V02.patch, HBASE-16417-V04.patch, HBASE-16417-V06.patch,
HBASE-16417-V07.patch, HBASE-16417-V08.patch, HBASE-16417-V10.patch, HBASE-16608-V01.patch,
HBASE-16608-V03.patch, HBASE-16608-V04.patch, HBASE-16608-V08.patch
>
>




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