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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1134) Skewed Join sampling job overwhelms the name node
Date Wed, 09 Dec 2009 05:55:18 GMT

    [ https://issues.apache.org/jira/browse/PIG-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12787933#action_12787933
] 

Olga Natkovich commented on PIG-1134:
-------------------------------------

this patch does not need new tests - existing skewed join tests cover the functionality

> Skewed Join sampling job overwhelms the name node
> -------------------------------------------------
>
>                 Key: PIG-1134
>                 URL: https://issues.apache.org/jira/browse/PIG-1134
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Sriranjan Manjunath
>            Assignee: Sriranjan Manjunath
>             Fix For: 0.6.0
>
>         Attachments: PIG-1134.patch
>
>
> The map tasks of the sampling job estimate the file size. For a large directory and a
large number of maps the file system calls over whelm the name node. 

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