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From kl0u <...@git.apache.org>
Subject [GitHub] flink pull request #4993: [FLINK-7974][FLINK-7975][QS] Wait for shutdown in ...
Date Fri, 10 Nov 2017 11:19:26 GMT
GitHub user kl0u opened a pull request:


    [FLINK-7974][FLINK-7975][QS] Wait for shutdown in QS client and servers.

    ## What is the purpose of the change
    Previously we were freeing the resources held by the QS client and servers on `shutdown()`,
but we were not waiting for this to complete. Now we are waiting for everything to be freed.
    ## Brief change log
    The `Client` and the `AbstractServerBase` contain the biggest changes. The actual implementations
(`KvStateClientProxyImpl`, `KvStateServerImpl`, and `QueryableStateClient`) build on that.
    ## Verifying this change
    Some tests were also adjusted but mainly the changes are tested in `AbstractServerTest`.
    ## 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: NO
      - 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
    R @aljoscha or @tillrohrmann 

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

    $ git pull https://github.com/kl0u/flink qs-shutdown-fin

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


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

    This closes #4993
commit 46bced58030a76d65163369b58f9c02c814a4e08
Author: kkloudas <kkloudas@gmail.com>
Date:   2017-11-09T18:21:43Z

    [FLINK-7975][QS] Wait for QS client to shutdown.

commit 62f80529f5657223d792576686ddad6832d13506
Author: kkloudas <kkloudas@gmail.com>
Date:   2017-11-09T18:30:29Z

    [FLINK-7974][QS] Wait for QS abstract server to shutdown.



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