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https://issues.apache.org/jira/browse/HADOOP-4845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Chansler updated HADOOP-4845:
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Release Note: (was: Change the REDUCE_INPUT_BYTES counter name to
REDUCE_SHUFFLE_BYTE, merge counter variables. add a new human-readable value in
Task_Counter.properties for REDUCE_SHUFFLE_BYTE)
No release note for "just a bug."
> Shuffle counter issues
> ----------------------
>
> Key: HADOOP-4845
> URL: https://issues.apache.org/jira/browse/HADOOP-4845
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Chris Douglas
> Assignee: he yongqiang
> Fix For: 0.20.0
>
> Attachments: Hadoop-4845.patch
>
>
> HADOOP-4749 added a new counter tracking the bytes shuffled into the reduce.
> It adds an accumulator to ReduceCopier instead of simply incrementing the new
> counter and did not define a human-readable value in
> src/mapred/org/apache/hadoop/mapred/Task_Counter.properties.
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