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Posted to dev@ignite.apache.org by "Denis Mekhanikov (JIRA)" <ji...@apache.org> on 2018/07/03 16:55:00 UTC

[jira] [Created] (IGNITE-8922) Discovery message delivery guarantee can be violated

Denis Mekhanikov created IGNITE-8922:
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             Summary: Discovery message delivery guarantee can be violated
                 Key: IGNITE-8922
                 URL: https://issues.apache.org/jira/browse/IGNITE-8922
             Project: Ignite
          Issue Type: Bug
            Reporter: Denis Mekhanikov
            Assignee: Denis Mekhanikov
         Attachments: PendingMessageResendTest.java

Under certain circumstances discovery messages may be delivered only to a part of nodes.

It happens because pending messages are not resent due to data inconsistency in {{ServerImpl#PendingMessages}} class. If {{discardId}} or {{customDiscardId}} point to a message, that is not present in the queue, then other messages will be skipped and won't be resent. It may happen, for example, when queue in {{PendingMessages}} is overflown.

PFA test, that reproduces this problem.



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