holdenk opened a new pull request #31249:
URL: https://github.com/apache/spark/pull/31249


   ### What changes were proposed in this pull request?
   
   Allow users to have Spark attempt to decommission excluded executors. 
   Since excluded executors may be flaky, this also adds the ability for users 
to specify a time limit after which a decommissioning executor will be killed 
by Spark.
   
   
   ### Why are the changes needed?
   
   This may help prevent fetch failures from excluded executors, and also 
handle the situation in which executors 
   
   ### Does this PR introduce _any_ user-facing change?
   
   Yes, two new configuration flags for the behaviour.
   
   
   ### How was this patch tested?
   
   Extended unit and integration tests.


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