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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-4202) UDFContext.isFrontend return true for OutputCommitter in local mode
Date Mon, 29 Sep 2014 18:18:34 GMT

    [ https://issues.apache.org/jira/browse/PIG-4202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151995#comment-14151995

Daniel Dai commented on PIG-4202:

Pig has a single PigOutputCommitter derived from mapreduce.OutputCommitter even when there
are multiple HDFS outputs. PigOutputCommitter is a wrapper, and it will invoke individual
OutputCommitter sequentially. We only experience static variable issue with PigOutputCommitter
itself. If the wrapped OutputCommitter has its own static variable, yes, they might have some
issues as well.

> UDFContext.isFrontend return true for OutputCommitter in local mode
> -------------------------------------------------------------------
>                 Key: PIG-4202
>                 URL: https://issues.apache.org/jira/browse/PIG-4202
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.14.0
>         Attachments: PIG-4202-1.patch, PIG-4202-2.patch
> We switch to use UDFContext.isFrontend in PIG-4187. However, it does not work as expected
in local mode. This causes some local mode test fail (TestOrcStoragePushdown.createInputData).

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