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https://issues.apache.org/jira/browse/PIG-5171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15967585#comment-15967585
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Nandor Kollar commented on PIG-5171:
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I took an other approach: turned SecondaryKeyOptimizerSpark off, and the test
passed. Actually not just this test, but MultiQuery_Union_3 and Union_3 passed
too without applying secondary key optimization on Spark plan. Not sure if this
is a bug in MR like you told, or a bug in the Spark secondary key optimizer.
> SecondarySort_7 is failing with spark exec type
> -----------------------------------------------
>
> Key: PIG-5171
> URL: https://issues.apache.org/jira/browse/PIG-5171
> Project: Pig
> Issue Type: Sub-task
> Components: spark
> Reporter: Nandor Kollar
> Fix For: spark-branch
>
>
> different output produced
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