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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8258) Make mapreduce tests pass on hadoop2
Date Mon, 08 Apr 2013 18:53:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625660#comment-13625660
] 

Jonathan Hsieh commented on HBASE-8258:
---------------------------------------

Fully qualifying the export path to hdfs makes the job work in hadoop1. 

In hadoop 1: 
export was exporting to a "random" dir in hdfs, while import was expecting data from the hadoop
file system.  

* export to: hdfs://localhost:46368/user/jon/test-data/72b45ff2-9203-4791-aa28-2b95e44f5d95/hadoop/mapred-working-dir/outputdir/part-m-00000
h
* import from: hdfs://localhost:46368/user/jon/outputdir/

In hadoop 2: 
export was exporting to the hdfs while import was expecting data form hdfs.

* export to: hdfs://localhost:60549/user/jon/outputdir/part-m-00000
* import from: hdfs://localhost:60549/user/jon/outputdir/

So at least for the export tests, I'm going to use fully qualified hdfs paths for the export
output 

                
> Make mapreduce tests pass on hadoop2
> ------------------------------------
>
>                 Key: HBASE-8258
>                 URL: https://issues.apache.org/jira/browse/HBASE-8258
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.95.1
>
>         Attachments: 8258-plain.txt, 8258-v1-hadoop-2.0.txt, 8258-v2-hadoop-2.0.txt,
8258-v4-hadoop-2.0.txt, hbase-8258-simple.patch
>
>
> HBASE-7904 was a first attempt at making this work but it got lost in the weeds.
> This is a new attempt at making hbase mapreduce jobs run on hadoop2 (w/o breaking mapreduce
on hadoop1)

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