zhuzhurk opened a new pull request #12278:
URL: https://github.com/apache/flink/pull/12278


   ## What is the purpose of the change
   
   This PR introduces changes to fulfill slot requests in request order.
   This is to avoid slot competitions between slot allocation bulks which can 
lead to resource deadlocks.
   
   ## Brief change log
   
     - *Fulfill slot requests in request order on offer slots*
     - *Remap orphaned slot allocation to pending slot request which lost its 
allocation to allow the request to fail fast on allocation failures*
   
   ## Verifying this change
   
     - *modified SlotPoolRequestCompletionTest *
     - *Added 
SlotPoolPendingRequestFailureTest#testFailingAllocationFailsRemappedPendingSlotRequests*
   
   ## 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/Mesos, 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)
   


----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]


Reply via email to