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From "Denis Mekhanikov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-8922) Discovery message delivery guarantee can be violated
Date Wed, 04 Jul 2018 08:42:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-8922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Denis Mekhanikov updated IGNITE-8922:
-------------------------------------
    Attachment:     (was: PendingMessageResendTest.java)

> 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
>            Priority: Critical
>         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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