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Date: Thu, 28 Jan 2010 02:21:34 +0000 (UTC)
From: "Arun C Murthy (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Commented: (MAPREDUCE-1403) Save file-sizes of each of the
 artifacts in DistributedCache in the JobConf
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-1403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805753#action_12805753 ] 

Arun C Murthy commented on MAPREDUCE-1403:
------------------------------------------

I propose we save it in the job-conf at the client side as we are setting up the distributed-cache for the job with a key like mapred.cache.files.sizes (akin to mapred.cache.files.timestamps etc.).

> Save file-sizes of each of the artifacts in DistributedCache in the JobConf
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1403
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1403
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>            Reporter: Arun C Murthy
>            Assignee: Hong Tang
>             Fix For: 0.22.0
>
>
> It would be a useful metric to collect... potentially GridMix could use it to emulate jobs which use the DistributedCache.

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