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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6572) Use shimmed version of hadoop conf names for mapred.{min,max}.split.size{.*}
Date Wed, 12 Mar 2014 22:55:47 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-6572:
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.13.0
           Status: Resolved  (was: Patch Available)

Committed to trunk & 0.13 Thanks, Sushanth!

> Use shimmed version of hadoop conf names for mapred.{min,max}.split.size{.*}
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-6572
>                 URL: https://issues.apache.org/jira/browse/HIVE-6572
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0, 0.14.0
>            Reporter: Sushanth Sowmyan
>            Assignee: Sushanth Sowmyan
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6572.patch
>
>
> HadoopShims has a method to fetch config parameters by name so that they return the appropriate
config param name for the appropriate hadoop version. We need to be consistent about using
these versions.
> For eg:. mapred.min.split.size is deprecated with hadoop 2.x, and is instead called mapreduce.input.fileinputformat.split.minsize
.
> Also, there is a bug in Hadoop23Shims, Hadoop20SShims and Hadoop20Shims that defines
MAPREDMINSPLITSIZEPERNODE as mapred.min.split.size.per.rack and MAPREDMINSPLITSIZEPERRACK
as mapred.min.split.size.per.node. This is wrong and confusing.



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