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From "He Yongqiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2218) speedup addInputPaths
Date Tue, 14 Jun 2011 21:10:54 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049423#comment-13049423
] 

He Yongqiang commented on HIVE-2218:
------------------------------------

https://reviews.apache.org/r/898/

> speedup addInputPaths
> ---------------------
>
>                 Key: HIVE-2218
>                 URL: https://issues.apache.org/jira/browse/HIVE-2218
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>         Attachments: HIVE-2218.1.patch
>
>
> Speedup the addInputPaths for combined symlink inputformat, and added some other micro
optimizations which also work for normal cases.
> This can help reducing the start time of one query from 5 hours to less than 20 mins.

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