[GitHub] [flink] tillrohrmann opened a new pull request #10089: [FLINK-12342][yarn] Remove container requests in order to reduce excess containers

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tillrohrmann opened a new pull request #10089: [FLINK-12342][yarn] Remove container requests in order to reduce excess containers
URL: https://github.com/apache/flink/pull/10089
 
 
   ## What is the purpose of the change
   
   This commit changes the order in which the container requests are removed when
   onContainersAllocated is being called. The idea is to remove the container requests
   as fast as possible in order to avoid allocating excess containers as described in
   YARN-1902.
   
   ## 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: (yes)
     - 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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