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  1. Cassandra
  2. CASSANDRA-15812

Submitting Validation requests can block ANTI_ENTROPY stage

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      Description

       RepairMessages are handled on Stage.ANTI_ENTROPY, which has a thread pool with core/max capacity of one, ie. we can only process one message at a time. 
       
      Scheduling validation compactions may however block the stage completely, by blocking on CompactionManager's ValidationExecutor while submitting a new validation compaction, in cases where there are already more validations running than can be executed in parallel.

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            • Assignee:
              samt Sam Tunnicliffe Assign to me
              Reporter:
              samt Sam Tunnicliffe
              Authors:
              Sam Tunnicliffe
              Reviewers:
              Benjamin Lerer

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