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From "Vaibhav Aggarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2299) Optimize Hive query startup time for multiple partitions
Date Mon, 25 Jul 2011 21:50:10 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070800#comment-13070800
] 

Vaibhav Aggarwal commented on HIVE-2299:
----------------------------------------

Thanks for looking at this improvement request Carl!

> Optimize Hive query startup time for multiple partitions
> --------------------------------------------------------
>
>                 Key: HIVE-2299
>                 URL: https://issues.apache.org/jira/browse/HIVE-2299
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Vaibhav Aggarwal
>            Assignee: Vaibhav Aggarwal
>             Fix For: 0.8.0
>
>         Attachments: HIVE-2299.patch
>
>
> Added an optimization to the way input splits are computed.
> Reduced an O(n^2) operation to O n operation.

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