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Posted to issues@hbase.apache.org by "Amitanand Aiyer (JIRA)" <ji...@apache.org> on 2013/03/25 22:23:18 UTC
[jira] [Commented] (HBASE-6278) Allow table splits during a
MapReduce job to be parameterized the same way as we parameterize the
splitAlgorithm during table creation.
[ https://issues.apache.org/jira/browse/HBASE-6278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13613155#comment-13613155 ]
Amitanand Aiyer commented on HBASE-6278:
----------------------------------------
http://svn.apache.org/viewvc?view=revision&revision=r1354478
> Allow table splits during a MapReduce job to be parameterized the same way as we parameterize the splitAlgorithm during table creation.
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-6278
> URL: https://issues.apache.org/jira/browse/HBASE-6278
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.89-fb
> Reporter: Amitanand Aiyer
> Assignee: Amitanand Aiyer
> Priority: Minor
> Fix For: 0.89-fb
>
>
> Current implementation uses Uniform Splits, which can be different from the one used to create the table (if created using HexSplit).
> Using different split algorithms results in input splits that are skewed. Allow the MR job to accept a split Algorithm to enable even splitting into map tasks.
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