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https://issues.apache.org/jira/browse/MAPREDUCE-830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753930#action_12753930
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Hadoop QA commented on MAPREDUCE-830:
-------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12419222/M830-4.patch
against trunk revision 813585.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 new or modified tests.
+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 does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/59/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/59/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/59/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/59/console
This message is automatically generated.
> Providing BZip2 splitting support for Text data
> -----------------------------------------------
>
> Key: MAPREDUCE-830
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-830
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.21.0
> Reporter: Abdul Qadeer
> Assignee: Abdul Qadeer
> Fix For: 0.21.0
>
> Attachments: M830-2.patch, M830-3.patch, M830-4.patch, M830-4.patch,
> MapReduce-830-version1.patch
>
>
> HADOOP-4012 (https://issues.apache.org/jira/browse/HADOOP-4012) is providing
> support to handle BZip2 compressed data such that the input compressed file
> is split at arbitrary points. This JIRA uses that functionality in
> LineRecordReader. The benefit of this work is that, if user provides
> compressed BZip2 Text data, it will be split by Hadoop and hence will be
> processed by multiple mappers. So BZip2 compressed data will be able to
> fully utilize the cluster power. Currently BZip2 compressed Text file goes
> to one mapper and is not split. So the enhancement in this JIRA provides
> splitting support and a considerable performance gains.
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