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https://issues.apache.org/jira/browse/PIG-4868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15238216#comment-15238216
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Daniel Dai commented on PIG-4868:
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This only applicable for the vertex with input, right? If so, +1.
> bytes.per.reducer configured by user not honored in Tez
> -------------------------------------------------------
>
> Key: PIG-4868
> URL: https://issues.apache.org/jira/browse/PIG-4868
> Project: Pig
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Attachments: PIG-4868-1.patch
>
>
> We don't use that in parallelism estimation and only use that in
> ShuffleVertexManager. Usually it is fine, but in cases when user has set a
> really low bytes.per.reducer it does not work as our estimation is low.
> ShuffleVertexManager only decreases parallelism and not increases parallelism.
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