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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/01/24 12:08:36 UTC

[GitHub] [flink] wsry opened a new pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

wsry opened a new pull request #18470:
URL: https://github.com/apache/flink/pull/18470


   ## What is the purpose of the change
   
   Currently, for sort-shuffle, the maximum number of buffers can be used per result partition is Integer.MAX_VALUE. However, if too many buffers are taken by one result partition, other result partitions and input gates may spend too much time waiting for buffers which can influence performance. This ticket aims to restrict the maximum number of buffers can be used per result partition and the selected value is an empirical one based on the TPC-DS test results.
   
   ## Brief change log
   
     - Use Math.max(min, 4 * numSubpartitions) as the maximum number of buffers can be used per result partition for sort-shuffle.
   
   
   ## Verifying this change
   
   This change is already covered by existing tests.
   
   ## 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, Kubernetes/Yarn, 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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[GitHub] [flink] wsry commented on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
wsry commented on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020750943


   @flinkbot run azure


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] wsry commented on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
wsry commented on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020750943


   @flinkbot run azure


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot commented on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276






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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276






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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] gaoyunhaii closed pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
gaoyunhaii closed pull request #18470:
URL: https://github.com/apache/flink/pull/18470


   


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] wsry commented on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
wsry commented on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1022016135


   Rebased master.


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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[GitHub] [flink] flinkbot edited a comment on pull request #18470: [FLINK-25774][network] Restrict the maximum number of buffers can be used per result partition for sort-shuffle

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #18470:
URL: https://github.com/apache/flink/pull/18470#issuecomment-1020036276


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