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https://issues.apache.org/jira/browse/PIG-4905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297225#comment-15297225
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Rohini Palaniswamy commented on PIG-4905:
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bq. One thing still mysterious to me is the issue not exist in tez local mode
when I test.
I was using tez_local mode only initially to verify the issue and test the
fix. Issue did exist there.
bq. Pig does set 0 reduce. I don't know which part of Tez code actually create
the empty dir.
Output dir will always be created by FileOutputCommitter.setupJob by the AM
and reduce of 0 does not matter. The actual issue was that empty output file
was not created and the output directory was empty.
> Input of empty dir does not produce empty output file in Tez
> ------------------------------------------------------------
>
> Key: PIG-4905
> URL: https://issues.apache.org/jira/browse/PIG-4905
> Project: Pig
> Issue Type: Improvement
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.16.0
>
> Attachments: PIG-4905-1.patch, PIG-4905-2.patch
>
>
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