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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6134) Improvement for split-worker to speed up distributed-split-log
Date Thu, 31 May 2012 07:24:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286385#comment-13286385
] 

Hadoop QA commented on HBASE-6134:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12530341/HBASE-6134v3.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 hadoop2.0.  The patch compiles against the hadoop 2.0 profile.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to cause Findbugs (version 1.3.9) to fail.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.coprocessor.TestClassLoading
                  org.apache.hadoop.hbase.regionserver.wal.TestHLog

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/2074//testReport/
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/2074//console

This message is automatically generated.
                
> Improvement for split-worker to speed up distributed-split-log
> --------------------------------------------------------------
>
>                 Key: HBASE-6134
>                 URL: https://issues.apache.org/jira/browse/HBASE-6134
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: HBASE-6134.patch, HBASE-6134v2.patch, HBASE-6134v3.patch
>
>
> First,we do the test between local-master-split and distributed split log
> Environment:34 hlog files, 5 regionservers,(after kill one, only 4 rs do ths splitting
work)
> local-master-split:60s+
> distributed-split-log:165s+
> In fact, in our production environment, distributed-split-log also took 60s with 30 regionservers
for 34 hlog files (regionserver may be in high load)
> We found split-worker split one log file took about 20s.
> I think we should do the improvement for this.

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