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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2007/06/12 14:45:26 UTC

[jira] Updated: (HADOOP-1485) Metrics should be there for reporting shuffle failures/successes

     [ 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 patch).

> 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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