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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5696) Add Localization counters to MR
Date Fri, 03 Jan 2014 03:54:55 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861173#comment-13861173
] 

Hadoop QA commented on MAPREDUCE-5696:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12621231/MAPREDUCE-5696.v02.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to fail.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4299//console

This message is automatically generated.

> Add Localization counters to MR
> -------------------------------
>
>                 Key: MAPREDUCE-5696
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5696
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>         Attachments: LocalizationCounters.png, MAPREDUCE-5696.v01.patch, MAPREDUCE-5696.v02.patch
>
>
> Users are often unaware of localization cost that their jobs incur. To measure effectiveness
of localization caches it is necessary to expose the overhead in the form of user-visible
metrics. The purpose of this JIRA is to compliment YARN-1529. While YARN-1529 attempts to
provide a cluster-wide view to cluster admins, this JIRA focuses on exposing the localization
overhead on per-job basis to the job owner/user.



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