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From StefanRRichter <...@git.apache.org>
Subject [GitHub] flink pull request #4491: [FLINK-7362] [checkpoints] Savepoint property is l...
Date Mon, 07 Aug 2017 14:26:53 GMT
GitHub user StefanRRichter opened a pull request:

    https://github.com/apache/flink/pull/4491

    [FLINK-7362] [checkpoints] Savepoint property is lost after de/serial…

    …ization of CheckpointProperties
    
    ## What is the purpose of the change
    
    This PR fixes lost information about the savepoint property when de/serializing `CheckpointProperty`.
The problem was caused by serialization in connection with a singleton that was checked for
referencial equality to derive the savepoint property.
    
    
    ## Brief change log
    
    This makes the savepoint property explicit as a boolean field in `CheckpointProperty`.

    
    
    ## Verifying this change
    
    This change is a trivial rework / code cleanup without any test coverage. Nevertheless
I added a small test.
    
    ## 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)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
    


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

    $ git pull https://github.com/StefanRRichter/flink serializable-savepoint-property

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

    https://github.com/apache/flink/pull/4491.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 #4491
    
----
commit 64eb3abb55f515252069371f7dd8f874b9c73c7e
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-08-07T14:22:32Z

    [FLINK-7362] [checkpoints] Savepoint property is lost after de/serialization of CheckpointProperties

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