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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5785) The job setup and cleanup tasks should be optional
Date Wed, 27 May 2009 05:46:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713424#action_12713424
] 

Vinod K V commented on HADOOP-5785:
-----------------------------------

bq.If not a method, it can be a simple protected boolean OutputCommitter.isJobSetupNeeded
over-ridable by subclasses. Does that work?
I take that back. Even reading this variable on the JobTracker needs the class to be loaded
which in turn means running user code.

So, +1 for the initial proposal for a configuration property. +1 for job-level configuration.

> The job setup and cleanup tasks should be optional
> --------------------------------------------------
>
>                 Key: HADOOP-5785
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5785
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sriramadasu
>
> For jobs that require low latency and do not require setup or cleanup tasks for the job,
it should be possible to turn them off for that job.

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