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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-1362) Pipes should be ported to the new mapreduce API
Date Wed, 06 May 2015 03:28:10 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Allen Wittenauer updated MAPREDUCE-1362:
    Labels: BB2015-05-TBR  (was: )

> Pipes should be ported to the new mapreduce API
> -----------------------------------------------
>                 Key: MAPREDUCE-1362
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1362
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: pipes
>            Reporter: Bassam Tabbara
>              Labels: BB2015-05-TBR
>         Attachments: MAPREDUCE-1362-trunk.patch, MAPREDUCE-1362.patch, MAPREDUCE-1362.patch
> Pipes is still currently using the old mapred API. This prevents us from using pipes
with HBase's TableInputFormat, HRegionPartitioner, etc. 
> Here is a rough proposal for how to accomplish this:
> * Add a new package org.apache.hadoop.mapreduce.pipes that uses the new mapred API.
> * the new pipes package will run side by side with the old one. old one should get deprecated
at some point.
> * the wire protocol used between PipesMapper and PipesReducer and C++ programs must not
> * bin/hadoop should support both pipes (old api) and pipes2 (new api)
> Does this sound reasonable?

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