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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2017/05/08 13:54:04 UTC

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

Stephan Ewen created FLINK-6487:
-----------------------------------

             Summary: Remove JobManager local mode
                 Key: FLINK-6487
                 URL: https://issues.apache.org/jira/browse/FLINK-6487
             Project: Flink
          Issue Type: Bug
          Components: JobManager
            Reporter: Stephan Ewen


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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