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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4630) API for setting dfs.block.size
Date Sun, 30 Sep 2012 08:25:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466437#comment-13466437
] 

Harsh J commented on MAPREDUCE-4630:
------------------------------------

I agree with Alex.

I haven't seen much use-case for this (of overriding dfs.blocksize many times in general),
and besides, the config param is pretty well known so can be set via -D opts or via Configuration.set(…)?

Are these options not sufficient Radim?
                
> API for setting dfs.block.size
> ------------------------------
>
>                 Key: MAPREDUCE-4630
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4630
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>         Environment: Hadoop 2
>            Reporter: Radim Kolar
>            Priority: Minor
>
> Add API for setting block size in Tool while creating MR job.
> I propose
> FileOutputFormat.setBlockSize(Job job, int blocksize);
> which sets dfs.block.size

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