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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2495) [hbase] minor performance improvements: Slim-down BatchOperation
Date Sat, 29 Dec 2007 00:53:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12554866

Hadoop QA commented on HADOOP-2495:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision r607330.

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

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

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests -1.  The patch failed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1428/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1428/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1428/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1428/console

This message is automatically generated.

> [hbase] minor performance improvements: Slim-down BatchOperation
> ----------------------------------------------------------------
>                 Key: HADOOP-2495
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2495
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Minor
>             Fix For: 0.16.0
>         Attachments: perf-2.patch, perf-3.patch, perf.patch
> A couple of little improvements slimming down the hot BatchOperation.readFields method
that is responsible for most object creations during a bulk update.  Also, make a ByteBuffer
once searching column family rather than one per character get.

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