[GitHub] Myracle opened a new pull request #7226: FLINK-11050 add lowerBound and upperBound for optimizing RocksDBMapState's entries

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Myracle opened a new pull request #7226: FLINK-11050 add lowerBound and upperBound for optimizing RocksDBMapState's entries
URL: https://github.com/apache/flink/pull/7226
 
 
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   ## What is the purpose of the change
   
   This pull request optimizes the seek of RocksDBMapState's entries by assigning lowerBound and upperBound.
   
   
   ## Brief change log
   
     - *Add entries(lowerBound, upperBound) in MapState and implement it in RocksDBMapState.
     -*Use entries(lowerBound, upperBound) instead of entries() in IntervalJoin.java when get buffer's values.
   
   ## 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): (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: (don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)

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