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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2015/04/03 21:34:54 UTC

[jira] [Updated] (TEZ-2232) Allow setParallelism to be called multiple times before tasks get scheduled

     [ https://issues.apache.org/jira/browse/TEZ-2232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikas Saha updated TEZ-2232:
----------------------------
    Attachment: TEZ-2232.2.patch

Attaching rebased patch. Thanks for the review. Committing.

> 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, TEZ-2232.2.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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