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https://issues.apache.org/jira/browse/MAPREDUCE-4059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13237011#comment-13237011
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Hadoop QA commented on MAPREDUCE-4059:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12519694/MR-4059.txt
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 21 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 eclipse:eclipse. The patch built with eclipse:eclipse.
+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 passed unit tests in .
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2094//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2094//console
This message is automatically generated.
> The history server should have a separate pluggable storage/query interface
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-4059
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4059
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.24.0, 0.23.3
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Attachments: MR-4059.txt, MR-4059.txt
>
>
> The history server currently caches all parsed jobs in RAM. These jobs can
> be very large because of counters. It would be nice to have a pluggable
> interface for the cacheing and querying of the cached data so that we can
> play around with different implementations. Also just for cleanness of the
> code it would be nice to split the very large JobHistoryServer.java into a
> few smaller ones that are more understandable and readable.
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