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From "Yan Zhou (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1258) [zebra] Number of sorted input splits is unusually high
Date Sun, 21 Mar 2010 04:13:27 GMT

    [ https://issues.apache.org/jira/browse/PIG-1258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12847875#action_12847875
] 

Yan Zhou commented on PIG-1258:
-------------------------------

Hudson's rerun appears to be hanging. Here is the result from my private run:

     [exec] +1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     +1 tests included.  The patch appears to include 9 new or modified tests.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.

> [zebra] Number of sorted input splits is unusually high
> -------------------------------------------------------
>
>                 Key: PIG-1258
>                 URL: https://issues.apache.org/jira/browse/PIG-1258
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.6.0
>            Reporter: Yan Zhou
>         Attachments: PIG-1258.patch
>
>
> Number of sorted input splits is unusually high if the projections are on multiple column
groups, or a union of tables, or column group(s) that hold many small tfiles. In one test,
the number is about 100 times bigger that from unsorted input splits on the same input tables.

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