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From GitBox <...@apache.org>
Subject [GitHub] sergeyT2 opened a new pull request #6695: cosh udf
Date Fri, 14 Sep 2018 10:30:05 GMT
sergeyT2 opened a new pull request #6695: cosh udf
URL: https://github.com/apache/flink/pull/6695
 
 
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   ## Contribution Checklist
   
     - Make sure that the pull request corresponds to a [JIRA issue](https://issues.apache.org/jira/projects/FLINK/issues).
Exceptions are made for typos in JavaDoc or documentation files, which need no JIRA issue.
     
     - Name the pull request in the form "[FLINK-XXXX] [component] Title of the pull request",
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     Typo fixes that have no associated JIRA issue should be named following this pattern:
`[hotfix] [docs] Fix typo in event time introduction` or `[hotfix] [javadocs] Expand JavaDoc
for PuncuatedWatermarkGenerator`.
   
     - Fill out the template below to describe the changes contributed by the pull request.
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     - Make sure that the change passes the automated tests, i.e., `mvn clean verify` passes.
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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     - Once all items of the checklist are addressed, remove the above text and this checklist,
leaving only the filled out template below.
   
   
   **(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)
   

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