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From "Jiaqi Tan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6013) Add reduce ID to shuffle clienttrace
Date Thu, 11 Jun 2009 20:52:07 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jiaqi Tan updated HADOOP-6013:
------------------------------

    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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