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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7124) Allow to rescale JobGraph on JobManager
Date Tue, 25 Jul 2017 15:45:01 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16100231#comment-16100231

Till Rohrmann commented on FLINK-7124:

Hi [~tzulitai], what's the state of this issue?

> 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
> 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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