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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2013/10/05 23:46:48 UTC
[jira] [Updated] (PIG-2672) Optimize the use of DistributedCache
[ https://issues.apache.org/jira/browse/PIG-2672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai updated PIG-2672:
----------------------------
Fix Version/s: (was: 0.12.0)
0.13.0
> 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
> Fix For: 0.13.0
>
> 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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