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https://issues.apache.org/jira/browse/PIG-4239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14232838#comment-14232838
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Praveen Rachabattuni commented on PIG-4239:
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+1. Committed to spark branch. Thanks Liyunzhang.
> "pig.output.lazy" not works in spark mode
> -----------------------------------------
>
> Key: PIG-4239
> URL: https://issues.apache.org/jira/browse/PIG-4239
> Project: Pig
> Issue Type: Bug
> Components: spark
> Reporter: liyunzhang_intel
> Assignee: liyunzhang_intel
> Attachments: PIG-4239.patch, PIG-4239_1.patch, lazy, lazy.pig
>
>
> If "pig.output.lazy" is "true", empty part files from the output will be
> omitted.
> steps to reproduce
> 1. set "pig.output.lazy" as “true" in $PIG_HOME/conf/pig.properties.
> 2. run following lazy.pig script in spark mode:
> cat lazy.pig
> a = load '/user/pig/lazy' using PigStorage();
> b = filter a by $0 == 'hey';
> c = store b into '/tmp/lazy.out';
> lazy.pig and lazy are attached
> 3. empty file "/tmp/lazy.out/part-rxxxx” is still generated, the empty file
> is expected not to be generated when "pig.output.lazy" is "true"
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