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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2018/02/10 22:51:00 UTC

[jira] [Closed] (FLINK-7124) Allow to rescale JobGraph on JobManager

     [ https://issues.apache.org/jira/browse/FLINK-7124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann closed FLINK-7124.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

Fixed via 

5fe31cbf26f35ae6921d543d362d2d9f006f45db

aee578b14dab17d56e7ee6e08f02c9d858ebec5b

> Allow to rescale JobGraph on JobManager
> ---------------------------------------
>
>                 Key: FLINK-7124
>                 URL: https://issues.apache.org/jira/browse/FLINK-7124
>             Project: Flink
>          Issue Type: Bug
>          Components: Distributed Coordination
>            Reporter: Till Rohrmann
>            Assignee: Tzu-Li (Gordon) Tai
>            Priority: Major
>             Fix For: 1.5.0
>
>
> In order to support dynamic scaling, the {{JobManager}} has to be able to change the parallelism of the submitted {{JobGraph}}. This basically entails that we can change the parallelism settings on the cluster side.
> We already have the functionality that we can change the parallelism if it was set to {{ExecutionConfig.PARALLELISM_AUTO_MAX}}. Therefore, I think the task is mostly about making sure that things really properly work when requesting a parallelism change.



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