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From "Yan Zhou (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1098) [zebra] Zebra Performance Optimizations
Date Mon, 23 Nov 2009 17:24:39 GMT

     [ https://issues.apache.org/jira/browse/PIG-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yan Zhou updated PIG-1098:
--------------------------

    Fix Version/s: 0.7.0
                   0.6.0

> [zebra] Zebra Performance Optimizations
> ---------------------------------------
>
>                 Key: PIG-1098
>                 URL: https://issues.apache.org/jira/browse/PIG-1098
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Yan Zhou
>            Assignee: Yan Zhou
>            Priority: Minor
>             Fix For: 0.6.0, 0.7.0
>
>
> Many in-core performance optimization opportunities exist in zebra, such as removal of
redundant precautionary checks, use of better collection types to reduce levels of indirection
to the memory objects, changing of input splits in ascending sizes to descending sizes. Observed
protyped improvements are around 10% wall clock time improvements.

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