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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-204) Provide option to run hadoop via TestMiniMR
Date Wed, 29 Apr 2009 18:57:31 GMT

     [ https://issues.apache.org/jira/browse/HIVE-204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain updated HIVE-204:
----------------------------

    Status: Patch Available  (was: Open)

added another testcase TestCliMiniMRDriver which creates a miniMR cluster for each test.
Right now, it is not enabled for all the tests since it takes a long time and is not parallelized
yet.
That can be done in a follow-up.

The user can pass a list of comma-separated files to be run to the miniMR cluster. 

> 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
>
>
> 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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