[jira] [Commented] (FLINK-6487) Remove JobManager local mode

["TisonKun (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891630#comment-16891630 ] 

TisonKun commented on FLINK-6487:
---------------------------------

Hi [~StephanEwen], as you mentioned above, "The MiniCluster does not use that mode". Is our MiniCluster currently used for testing purpose only(including user scope testing/getting start)?

> Remove JobManager local mode
> ----------------------------
>
>                 Key: FLINK-6487
>                 URL: https://issues.apache.org/jira/browse/FLINK-6487
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>            Reporter: Stephan Ewen
>            Priority: Major
>
> We should remove the "local" mode from the JobManager.
> Currently, the JobManager has the strange "local" mode where it also starts an embedded Task Manager.
> I think that mode has caused confusion / problems:
>   - No TaskManagers can join the cluster
>   - TaskManagers do not support querable state
>   - It is redundant code to maintain
> At the same time, the mode does not help at all:
>   - The MiniCluster does not use that mode
>   - Starting from scripts, the {{start-cluster.sh}} works out of the box, creating a proper local cluster, but in two processes, rather than one.



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