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https://issues.apache.org/jira/browse/TEZ-1699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14189395#comment-14189395
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Hitesh Shah commented on TEZ-1699:
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+1
> Vertex.setParallelism should throw an exception for invalid invocations
> -----------------------------------------------------------------------
>
> Key: TEZ-1699
> URL: https://issues.apache.org/jira/browse/TEZ-1699
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Priority: Critical
> Attachments: TEZ-1699.1.patch
>
>
> There is a return value of false when setParallelism is not successful.
> However that may be ignored and in some cases the invocation is actually
> incorrect and its better to throw an exception than return false. Throwing an
> unchecked exception can allow doing this compatibly.
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