GitHub user GJL opened a pull request:

    [FLINK-8754][flip6] Make TaskManagerInfo implement Serializable

    ## What is the purpose of the change
    *`TaskManagerInfo` can be returned from RPC calls, e.g., 
`ResourceManagerGateway#requestTaskManagerInfo(ResourceID, Time)`. All messages 
passed via RPC must be serializable. This PR makes `TaskManagerInfo` 
    ## Brief change log
      - *Make TaskManagerInfo implement Serializable*
    ## Verifying this change
    This change is a trivial rework / code cleanup without any test coverage.
    ## 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)

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

    $ git pull FLINK-8754

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 #5566
commit e024c388516e6644ee2fa837069c87992043ee87
Author: gyao <gary@...>
Date:   2018-02-23T09:10:11Z

    [FLINK-8754][flip6] Make TaskManagerInfo implement Serializable



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