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From "Jiaqi Tan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-479) Add reduce ID to shuffle clienttrace
Date Mon, 13 Jul 2009 00:53:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jiaqi Tan updated MAPREDUCE-479:
--------------------------------

    Attachment: MAPREDUCE-479.patch

Cleaned up patch for new branched tree

> Add reduce ID to shuffle clienttrace
> ------------------------------------
>
>                 Key: MAPREDUCE-479
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-479
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.21.0
>            Reporter: Jiaqi Tan
>            Assignee: Jiaqi Tan
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-6013.patch, MAPREDUCE-479.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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