[jira] [Assigned] (GEODE-9138) Add warning in server logs when data event is ignored as a duplicate

["Barrett Oglesby (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-9138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Barrett Oglesby reassigned GEODE-9138:
--------------------------------------

    Assignee: Barrett Oglesby

> Add warning in server logs when data event is ignored as a duplicate
> --------------------------------------------------------------------
>
>                 Key: GEODE-9138
>                 URL: https://issues.apache.org/jira/browse/GEODE-9138
>             Project: Geode
>          Issue Type: Bug
>          Components: client/server, logging
>            Reporter: Diane Hardman
>            Assignee: Barrett Oglesby
>            Priority: Major
>              Labels: pull-request-available
>
> Under certain rare conditions, a client may send or resend a data event with an eventId that causes the server to interpret it as a duplicate event and discard it.
> It is currently impossible to trace when this happens without extra logging added.
> From Barry:
> No, if the server thinks it has seen the event, it silently eats it. See DistributedEventTracker.hasSeenEvent. It has a trace log message but thats it.
> The log message that tracks this behavior in the server needs to be added permanently.



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