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From docete <...@git.apache.org>
Subject [GitHub] flink pull request #5009: [FLINK-8045] Add Internal DATE/TIME/TIMESTAMP as i...
Date Tue, 14 Nov 2017 03:03:20 GMT
GitHub user docete opened a pull request:

    https://github.com/apache/flink/pull/5009

    [FLINK-8045] Add Internal DATE/TIME/TIMESTAMP as internal representata...

    …ion of DATE/TIME/TIMESTAMP
    
    
    *Thank you very much for contributing to Apache Flink - we are happy that you want to
help us improve Flink. To help the community review your contribution in the best possible
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    ## Contribution Checklist
    
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You can set up Travis CI to do that following [this guide](http://flink.apache.org/contribute-code.html#best-practices).
    
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    **(The sections below can be removed for hotfixes of typos)**
    
    ## What is the purpose of the change
    
    *(For example: This pull request makes task deployment go through the blob server, rather
than through RPC. That way we avoid re-transferring them on each deployment (during recovery).)*
    
    
    ## Brief change log
    
    *(for example:)*
      - *The TaskInfo is stored in the blob store on job creation time as a persistent artifact*
      - *Deployments RPC transmits only the blob storage reference*
      - *TaskManagers retrieve the TaskInfo from the blob cache*
    
    
    ## Verifying this change
    
    *(Please pick either of the following options)*
    
    This change is a trivial rework / code cleanup without any test coverage.
    
    *(or)*
    
    This change is already covered by existing tests, such as *(please describe tests)*.
    
    *(or)*
    
    This change added tests and can be verified as follows:
    
    *(example:)*
      - *Added integration tests for end-to-end deployment with large payloads (100MB)*
      - *Extended integration test for recovery after master (JobManager) failure*
      - *Added test that validates that TaskInfo is transferred only once across recoveries*
      - *Manually verified the change by running a 4 node cluser with 2 JobManagers and 4
TaskManagers, a stateful streaming program, and killing one JobManager and two TaskManagers
during the execution, verifying that recovery happens correctly.*
    
    ## 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 https://github.com/docete/flink master

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

    https://github.com/apache/flink/pull/5009.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 #5009
    
----
commit 82397f0ff9fe0660e6dbbd4376a628b31d9903b3
Author: Zhenghua Gao <docete@gmail.com>
Date:   2017-11-14T02:59:35Z

    [FLINK-8045] Add Internal DATE/TIME/TIMESTAMP as internal representation of DATE/TIME/TIMESTAMP

----


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