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https://issues.apache.org/jira/browse/MAPREDUCE-2124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927051#action_12927051
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Scott Chen commented on MAPREDUCE-2124:
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Looks like hudson got stuck again. I am posting the test-patch result here.
{code}
[exec] BUILD SUCCESSFUL
[exec] Total time: 2 minutes 3 seconds
[exec]
[exec]
[exec]
[exec]
[exec] +1 overall.
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[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
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[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
[exec] +1 system tests framework. The patch passed system tests
framework compile.
[exec]
[exec]
[exec]
[exec]
[exec]
======================================================================
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[exec] Finished build.
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======================================================================
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======================================================================
[exec]
[exec]
BUILD SUCCESSFULTotal time: 20 minutes 28 seconds
{code}
> Add job counters for measuring time spent in three different phases in
> reducers
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2124
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2124
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-2124-v2.txt, MAPREDUCE-2124.txt
>
>
> We currently have SLOTS_MILLIS_REDUCES which measures the total slot time of
> reducer.
> It will be useful if we have
> {code}
> SLOTS_MILLIS_REDUCES_COPY
> SLOTS_MILLIS_REDUCES_SORT
> SLOTS_MILLIS_REDUCES_REDUCE
> {code}
> which measures three different phases of a reducer.
> This will help us identify the bottleneck of the reducers.
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