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https://issues.apache.org/jira/browse/TEZ-2232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393897#comment-14393897
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Rajesh Balamohan commented on TEZ-2232:
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lgtm. +1. Patch needs to be rebased for master.
> Allow setParallelism to be called multiple times before tasks get scheduled
> ---------------------------------------------------------------------------
>
> Key: TEZ-2232
> URL: https://issues.apache.org/jira/browse/TEZ-2232
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Attachments: TEZ-2232.1.patch
>
>
> Currently, this is allowed only once currently. It is harder to support this
> after the vertex tasks have already started running. But allowing it before
> tasks start running is actually trivial. This just allows VertexManagers to
> change their minds multiple times before they start the vertex processing.
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