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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-466) PERFORMANCE: dropping the columns as soon as possible
Date Fri, 30 Apr 2010 19:10:54 GMT

     [ https://issues.apache.org/jira/browse/PIG-466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Olga Natkovich updated PIG-466:
-------------------------------

         Assignee: Daniel Dai
    Fix Version/s: 0.8.0

This is part of new optimizer work

> PERFORMANCE: dropping the columns as soon as possible
> -----------------------------------------------------
>
>                 Key: PIG-466
>                 URL: https://issues.apache.org/jira/browse/PIG-466
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.2.0
>            Reporter: Olga Natkovich
>            Assignee: Daniel Dai
>             Fix For: 0.8.0
>
>
> Currently, each operator carries all the data until foreach is encountered. This can
cause significant performance degradation.

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