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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18442) Speed up Memstore chunk pool ByteBuffer allocations
Date Mon, 21 Aug 2017 09:12:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134928#comment-16134928
] 

Hadoop QA commented on HBASE-18442:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  5s{color} | {color:red}
HBASE-18442 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.4.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-18442 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12882841/HBASE-18442_1.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/8191/console |
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This message was automatically generated.



> Speed up Memstore chunk pool ByteBuffer allocations
> ---------------------------------------------------
>
>                 Key: HBASE-18442
>                 URL: https://issues.apache.org/jira/browse/HBASE-18442
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0
>
>         Attachments: HBASE-18442_1.patch
>
>
> Like in HBASE-17738 we can speed up the allocation of memstore chunk pool's ByteBuffers.
{code}
> 2017-07-24 17:51:09,726 INFO  [regionserver/stobdtserver6/10.66.254.41:16020] regionserver.ChunkCreator:
Allocating MemStoreChunkPool with chunk size 2 MB, max count 12288, initial count 12288
> 2017-07-24 17:51:19,642 INFO  [regionserver/stobdtserver6/10.66.254.41:16020] regionserver.HRegionServer:
Serving as stobdtserver6,16020,1500898858958, RpcServer on stobdtserver6/10.66.254.41:16020,
sessionid=0x15d748a9ccc0002
> {code}
> Allocating 12288 buffers of 2MB size takes around 10 secs. 



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