[GitHub] [flink] rkhachatryan opened a new pull request #10441: [FLINK-14857][runtime] Remove checkpoint lock usage from AsyncWaitOperator.

[GitBox <gi...@apache.org>]

rkhachatryan opened a new pull request #10441: [FLINK-14857][runtime] Remove checkpoint lock usage from AsyncWaitOperator.
URL: https://github.com/apache/flink/pull/10441
 
 
   ## What is the purpose of the change
   
   This PR removes remaining `checkpoint lock` usages from `AsyncWaitOperator`.
   After 9b3a0b54e2eb2d29805365a3a6c2c9bd9330fd1c every Mail action
   acquires checkpoint lock automatically and all state-modifying actions
   in `AsyncWaitOperator` are already executed as mails.
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *`AsyncWaitOperatorTest`*.
   
   ## 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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