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From "Gera Shegalov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5696) Add Localization counters to MR
Date Fri, 03 Jan 2014 03:15:52 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Gera Shegalov updated MAPREDUCE-5696:

    Attachment: MAPREDUCE-5696.v02.patch

v02 patch without YARN-changes.

> 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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