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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1347) Create Pre Task hooks for Hive
Date Tue, 18 May 2010 18:02:42 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashish Thusoo updated HIVE-1347:
--------------------------------

    Attachment: HIVE-1347.patch

A prelimnary patch for this. Take a look at the PreTask.java interface to look at the hook
interface.


> Create Pre Task hooks for Hive
> ------------------------------
>
>                 Key: HIVE-1347
>                 URL: https://issues.apache.org/jira/browse/HIVE-1347
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Ashish Thusoo
>            Assignee: Ashish Thusoo
>         Attachments: HIVE-1347.patch
>
>
> Create pre task hooks for hive which can modify configuration parameters or task plans.
This is very useful for implementing a number of different execution policies such as
> 1. Sending jobs that work on small data sets to a different cluster.
> 2. Sending jobs that work on archived data sets to a different cluster.
> etc.
> More details on the actual interfaces will follow soon.

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