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https://issues.apache.org/jira/browse/MAPREDUCE-2020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krishna Ramachandran updated MAPREDUCE-2020:
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Attachment: mapred-2020.patch
First cut. With primary focus on JobTracker, UserLogCleaner and some util
classes
TaskTracker, JobHistory, CleanUpQueue and other components are "work in
progress" and not part of this
Initial Goal is:
get initial feedback from mapred and hdfs
ask for enhancements/fixes from DFS where inadequate/broken
Optimize/eliminate needless RPC calls (exists() checks)
Streamline API calls (eliminate to FileSystem)
refactoring - work in progress
"ant test" did not show any regressions
testpatch output
[exec]
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 6 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] -1 Eclipse classpath. The patch causes the Eclipse classpath to
differ from the contents of the lib directories.
> Use new FileContext APIs for all mapreduce components
> ------------------------------------------------------
>
> Key: MAPREDUCE-2020
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2020
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.22.0
> Reporter: Krishna Ramachandran
> Assignee: Krishna Ramachandran
> Attachments: mapred-2020.patch
>
>
> Migrate mapreduce components to using improved FileContext APIs implemented in
> HADOOP-4952 and
> HADOOP-6223
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