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From "Yan Zhou (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1258) [zebra] Number of sorted input splits is unusually high
Date Tue, 16 Mar 2010 17:58:27 GMT

     [ https://issues.apache.org/jira/browse/PIG-1258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yan Zhou updated PIG-1258:
--------------------------

    Attachment: PIG-1258.patch

> [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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