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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1485) Metrics should be there for reporting shuffle failures/successes
Date Tue, 12 Jun 2007 12:45:26 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Devaraj Das updated HADOOP-1485:

    Attachment: shuffle-metrics.patch

Attached is a patch. The patch adds two new metrics fetch_successes and fetch_failures. All
reporting is done using the Updater interface (introduced in ReduceTask.java as part of this

> Metrics should be there for reporting shuffle failures/successes
> ----------------------------------------------------------------
>                 Key: HADOOP-1485
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1485
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.14.0
>         Attachments: shuffle-metrics.patch
> It would be nice to have metrics for the shuffle phase which reports the failures/successes
for the fetches. This would aid in performance tests and in debugging (shuffle).

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