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From "Cheolsoo Park (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2672) Optimize the use of DistributedCache
Date Tue, 24 Sep 2013 16:11:05 GMT

    [ https://issues.apache.org/jira/browse/PIG-2672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776429#comment-13776429
] 

Cheolsoo Park commented on PIG-2672:
------------------------------------

Forgot to mention. [~aniket486], can you please document this? Perhaps in the [performance
and efficiency page|http://pig.apache.org/docs/r0.11.0/perf.html]?
                
> Optimize the use of DistributedCache
> ------------------------------------
>
>                 Key: PIG-2672
>                 URL: https://issues.apache.org/jira/browse/PIG-2672
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Rohini Palaniswamy
>            Assignee: Aniket Mokashi
>             Fix For: 0.12
>
>         Attachments: PIG-2672.patch
>
>
> Pig currently copies jar files to a temporary location in hdfs and then adds them to
DistributedCache for each job launched. This is inefficient in terms of 
>    * Space - The jars are distributed to task trackers for every job taking up lot of
local temporary space in tasktrackers.
>    * Performance - The jar distribution impacts the job launch time.  

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