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Posted to notifications@accumulo.apache.org by GitBox <gi...@apache.org> on 2021/11/12 21:13:24 UTC

[GitHub] [accumulo] dlmarion commented on pull request #2329: Attempt at failing FaTE transactions that are blocking this FaTE transaction from the write lock

dlmarion commented on pull request #2329:
URL: https://github.com/apache/accumulo/pull/2329#issuecomment-967567259


   @keith-turner - can you take a look at my changes in 1755864 to see if this implementation seems sane. The high level notes are that I modified ZooStore to:
   
     1. Keep a reference to the thread that is reserving the tx
     2. Added a cancel method to call interrupt on the thread
     
   The calling Thread in most cases should be the Fate.TransactionRunner threads which already handle the Exception and transition the tx to FAILED_IN_PROGRESS and then ultimately unreserves the tx. I also fixed up a test and added FateIT with a test for preemption. Finally I took a stab at determining which FaTE transaction types should preempt.


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