GitHub user tillrohrmann opened a pull request:

    https://github.com/apache/flink/pull/5625

    [FLINK-8826] [flip6] Start Yarn TaskExecutor with proper slots and memory

    ## What is the purpose of the change
    
    Read the default TaskManager memory and number of slots from the 
configuration
    when the YarnResourceManager is started.
    
    ## Verifying this change
    
    - Added `YarnConfigurationITCase`
    
    ## Does this pull request potentially affect one of the following parts:
    
      - Dependencies (does it add or upgrade a dependency): (no)
      - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes)
      - The S3 file system connector: (no)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
      - If yes, how is the feature documented? (not applicable)


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/tillrohrmann/flink fixCheckpointCoordinator

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/5625.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5625
    
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commit ef080927aba095a72929cd8be390b46afa4dcab8
Author: Till Rohrmann <trohrmann@...>
Date:   2018-03-02T14:27:13Z

    [FLINK-8840] [yarn] Pull YarnClient and YarnConfiguration instantiation out 
of AbstractYarnClusterClient
    
    For better testability, this commit moves the YarnClient and 
YarnConfiguration out of
    the AbstractYarnClusterDescriptor.

commit 173e272c1a0250ecdc4a4f975a2f7991b9dd53c1
Author: Till Rohrmann <trohrmann@...>
Date:   2018-03-01T19:09:55Z

    [hotfix] [flip6] Harden JobMaster#triggerSavepoint
    
    Check first whether the CheckpointCoordinator has been set before triggering
    a savepoint. If it has not been set, then return a failure message.

commit 2d2a6d5a84a586bf8ef59656aa7754e94b6e034b
Author: Till Rohrmann <trohrmann@...>
Date:   2018-03-01T22:35:25Z

    [FLINK-8826] [flip6] Start Yarn TaskExecutor with proper slots and memory
    
    Read the default TaskManager memory and number of slots from the 
configuration
    when the YarnResourceManager is started.

commit d8f3cfa0c89f465ad995ebab7470f37b37b18678
Author: Till Rohrmann <trohrmann@...>
Date:   2018-03-02T11:18:05Z

    [hotfix] Set default number of TaskManagers in FlinkYarnSessionCli for Flip6

commit 0475dc343f0fa703bcf82a585482bdd15ae168ea
Author: Till Rohrmann <trohrmann@...>
Date:   2018-03-02T11:42:43Z

    [hotfix] Print correct web monitor URL in FlinkYarnSessionCli

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