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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16890) Analyze the performance of AsyncWAL and fix the same
Date Thu, 03 Nov 2016 07:08:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15631883#comment-15631883
] 

Hadoop QA commented on HBASE-16890:
-----------------------------------

| (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-16890 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.3.0/precommit-patchnames
for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12836741/AsyncWAL_disruptor_3.patch
|
| JIRA Issue | HBASE-16890 |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/4304/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Analyze the performance of AsyncWAL and fix the same
> ----------------------------------------------------
>
>                 Key: HBASE-16890
>                 URL: https://issues.apache.org/jira/browse/HBASE-16890
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>    Affects Versions: 2.0.0
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0
>
>         Attachments: AsyncWAL_disruptor.patch, AsyncWAL_disruptor_1 (2).patch, AsyncWAL_disruptor_3.patch,
HBASE-16890-remove-contention-v1.patch, HBASE-16890-remove-contention.patch, Screen Shot 2016-10-25
at 7.34.47 PM.png, Screen Shot 2016-10-25 at 7.39.07 PM.png, Screen Shot 2016-10-25 at 7.39.48
PM.png, async.svg, classic.svg, contention.png, contention_defaultWAL.png
>
>
> Tests reveal that AsyncWAL under load in single node cluster performs slower than the
Default WAL. This task is to analyze and see if we could fix it.
> See some discussions in the tail of JIRA HBASE-15536.



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