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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/01/28 20:01:48 UTC

[GitHub] igalshilman opened a new pull request #7590: [FLINK-11329][core] Migrating CompositeSerializers

igalshilman opened a new pull request #7590: [FLINK-11329][core] Migrating CompositeSerializers
URL: https://github.com/apache/flink/pull/7590
 
 
   ## What is the purpose of the change
   
   This PR migrates the following serializers to the new `TypeSerializerSnapshot` abstraction:
   - ScalaOptionSerializer      4e1a755392
   - StreamElementSerializer 9a0ddc1c28
   - BufferEntrySerializer        9a56f43386
   - UnionSerializer                 317e6b863a
   - RowSerializer                    3a1a86799e
   - NullableSerializer             d93ff8a3a9
   - CompositeSerializer        ce253636d7
   
   ## Brief change log
   
   Each commit migrates a single serializer's `TypeSerializerConfigSnapshot` to the new `TypeSerializerSnapsoht`.
   
   ## Verifying this change
   
   Each migrated serializer has an associated `StateMigrationTest` that verifies snapshot backwards compatibility with previous versions.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**)
     - The serializers: (**yes** / no / don't know)
     - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
     - The S3 file system connector: (yes / **no** / don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes / **no**)
     - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
   

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