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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-204) Provide option to run hadoop via TestMiniMR
Date Wed, 27 May 2009 18:57:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713690#action_12713690
] 

Ashish Thusoo commented on HIVE-204:
------------------------------------

+1

Looks good to me.

We should file a separate JIRA to enable this by default after we parallelize junit (unless
that JIRA is not already filed).


> Provide option to run hadoop via TestMiniMR
> -------------------------------------------
>
>                 Key: HIVE-204
>                 URL: https://issues.apache.org/jira/browse/HIVE-204
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Testing Infrastructure
>            Reporter: Raghotham Murthy
>            Assignee: Namit Jain
>         Attachments: hive.204.1.patch, hive.204.2.patch, hive.204.3.patch, hive.204.4.patch,
hive.204.5.patch, hive.204.6.patch, hive.204.7.patch
>
>
> Right now MapRedTask does an exec on the hadoop command line. This prevents us from stepping
through query execution code. If there were an option to run hadoop via MiniMR, this will
create tasks within the same VM and so allows stepping into the execution code. See, src/test/org/apache/hadoop/mapred/TestMiniMRWithDFS.java
in the hadoop source code for an example.

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