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https://issues.apache.org/jira/browse/HADOOP-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiaqi Tan updated HADOOP-6013:
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Attachment: HADOOP-6013.patch
Adds reduceID to shuffle clienttrace messages
> Add reduce ID to shuffle clienttrace
> ------------------------------------
>
> Key: HADOOP-6013
> URL: https://issues.apache.org/jira/browse/HADOOP-6013
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Jiaqi Tan
> Fix For: 0.21.0
>
> Attachments: HADOOP-6013.patch
>
>
> Current clienttrace messages from shuffles note only the destination map ID
> but not the source reduce ID. Having both source and destination ID of each
> shuffle enables full tracing of execution.
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