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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2102) Collect iops per task
Date Mon, 11 Oct 2010 21:07:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919986#action_12919986

Luke Lu commented on MAPREDUCE-2102:

Bytes read and written are already being collected. Additional io ops (made available via
HADOOP-6859) help diagnose performance problems of certain applications.

I'm adding the support of file system counters in MAPREDUCE-901, which would subsume this

> Collect iops per task
> ---------------------
>                 Key: MAPREDUCE-2102
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2102
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: task
>            Reporter: Arun C Murthy
>             Fix For: 0.22.0
> We should enhance the MR framework to collect iops per task along with CPU/Memory (MAPREDUCE-220).

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