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https://issues.apache.org/jira/browse/MAPREDUCE-1505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12869373#action_12869373
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Hadoop QA commented on MAPREDUCE-1505:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12444965/mapreduce-1505--2010-05-19.patch
against trunk revision 944427.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 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-h4.grid.sp2.yahoo.net/193/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/193/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/193/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/193/console
This message is automatically generated.
> Cluster class should create the rpc client only when needed
> -----------------------------------------------------------
>
> Key: MAPREDUCE-1505
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1505
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 0.20.2
> Reporter: Devaraj Das
> Assignee: Dick King
> Fix For: 0.22.0
>
> Attachments: mapreduce-1505--2010-05-19.patch,
> MAPREDUCE-1505_yhadoop20.patch, MAPREDUCE-1505_yhadoop20_9.patch
>
>
> It will be good to have the org.apache.hadoop.mapreduce.Cluster create the
> rpc client object only when needed (when a call to the jobtracker is actually
> required). org.apache.hadoop.mapreduce.Job constructs the Cluster object
> internally and in many cases the application that created the Job object
> really wants to look at the configuration only. It'd help to not have these
> connections to the jobtracker especially when Job is used in the tasks (for
> e.g., Pig calls mapreduce.FileInputFormat.setInputPath in the tasks and that
> requires a Job object to be passed).
> In Hadoop 20, the Job object internally creates the JobClient object, and the
> same argument applies there too.
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