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From "Sergey Chugunov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-8194) Coordinator may need to delete acks for event if the ack with the same id is already published
Date Mon, 09 Apr 2018 16:30:00 GMT
Sergey Chugunov created IGNITE-8194:
---------------------------------------

             Summary: Coordinator may need to delete acks for event if the ack with the same
id is already published
                 Key: IGNITE-8194
                 URL: https://issues.apache.org/jira/browse/IGNITE-8194
             Project: Ignite
          Issue Type: Improvement
          Components: zookeeper
            Reporter: Sergey Chugunov


During coordinator failure scenarios new coordinator may try to publish acknowledgements for
events that were already acknowledged.

This situation should be considered comprehensively wrt any possible corner cases; if it is
safer from discovery protocol point of view to delete duplicate acknowledgements and publish
them again this should be implemented.



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