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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/01/07 12:46:07 UTC

[GitHub] klion26 opened a new pull request #7421: [FLINK-11167][runtime] Optimize RocksDBListState#Put by removing the clear before put operation when input is not empty

klion26 opened a new pull request #7421: [FLINK-11167][runtime] Optimize RocksDBListState#Put by removing the clear before put operation when input is not empty
URL: https://github.com/apache/flink/pull/7421
 
 
   ## What is the purpose of the change
   This pull request adjusts the clear's position in function `updateInternal`, so when the input `values` is not empty, we do not need to call the clear operation.
   
   
   ## 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): (**no**)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (**no**)
     - The serializers: (**no**)
     - The runtime per-record code paths (performance sensitive): (**no**)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (**no**)
     - The S3 file system connector: (**no**)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (**no**)
     - If yes, how is the feature documented? (**not applicable**)
   

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