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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4528) The put operation can release the rowlock before sync-ing the Hlog
Date Wed, 26 Oct 2011 23:37:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136593#comment-13136593
] 

Hadoop QA commented on HBASE-4528:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12500956/HBASE-4528-Trunk-FINAL.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 13 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated -167 warning messages.

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

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +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.master.TestDistributedLogSplitting
                  org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort
                  org.apache.hadoop.hbase.coprocessor.TestMasterObserver
                  org.apache.hadoop.hbase.master.TestMasterFailover

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/74//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/74//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/74//console

This message is automatically generated.
                
> The put operation can release the rowlock before sync-ing the Hlog
> ------------------------------------------------------------------
>
>                 Key: HBASE-4528
>                 URL: https://issues.apache.org/jira/browse/HBASE-4528
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>             Fix For: 0.94.0
>
>         Attachments: HBASE-4528-Trunk-FINAL.patch, appendNoSync5.txt, appendNoSyncPut1.txt,
appendNoSyncPut2.txt, appendNoSyncPut3.txt, appendNoSyncPut4.txt, appendNoSyncPut5.txt, appendNoSyncPut6.txt,
appendNoSyncPut7.txt, appendNoSyncPut8.txt
>
>
> This allows for better throughput when there are hot rows. A single row update improves
from 100 puts/sec/server to 5000 puts/sec/server.

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