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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1219) Extra listStatus call to the namenode in WeightedRangePartitioner
Date Thu, 04 Feb 2010 18:44:28 GMT

    [ https://issues.apache.org/jira/browse/PIG-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12829690#action_12829690
] 

Olga Natkovich commented on PIG-1219:
-------------------------------------

I asked Pradeep to also review the code - just to have another set of eyes since this change
is so late in the game and is not streighforward

> Extra listStatus call to the namenode in WeightedRangePartitioner
> -----------------------------------------------------------------
>
>                 Key: PIG-1219
>                 URL: https://issues.apache.org/jira/browse/PIG-1219
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.6.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>
>         Attachments: PIG-1219-1.patch, PIG-1219-2.patch, PIG-1219-3.patch
>
>
> We call FileLocalizer.openDFSFile in WeightedRangePartitioner to open quantile file.
openDFSFile internally will check the existence of the quantile file, which adds burden to
hdfs namenode. We shall remove this extra check.

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