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Posted to issues@geode.apache.org by "Anthony Baker (JIRA)" <ji...@apache.org> on 2017/06/17 18:04:32 UTC

[jira] [Closed] (GEODE-2900) BucketRegionQueue transitions from primary/secondary/primary can lead to events lingering in queue

     [ https://issues.apache.org/jira/browse/GEODE-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anthony Baker closed GEODE-2900.
--------------------------------

> BucketRegionQueue transitions from primary/secondary/primary can lead to events lingering in queue
> --------------------------------------------------------------------------------------------------
>
>                 Key: GEODE-2900
>                 URL: https://issues.apache.org/jira/browse/GEODE-2900
>             Project: Geode
>          Issue Type: Bug
>          Components: lucene, wan
>            Reporter: Jason Huynh
>            Assignee: Jason Huynh
>             Fix For: 1.2.0
>
>
> In this scenario when peek() is called from BucketRegionQueue, a side effect is that the key is removed from the eventSeqNumQueue and an event is placed into the peekedEvents list.
> If there is failure dispatching the event, we add the peekedEvents list to a new peekedEvents list.  Before doing so, we remove any events that we are not primary for.  Now the event is not in the eventSeqNumQueue or the peekedEvents list
> If we now become primary (before the other node could dispatch this event), and because we do not have that event in the eventSeqNumQueue or the peekedEvents, it gets "stuck."
> This also affects the Lucene implementation.  An stuck event can mean incorrectly indexed data or data inconsistencies



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