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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEODE-2900) BucketRegionQueue transitions from primary/secondary/primary can lead to events lingering in queue
Date Sat, 13 May 2017 00:37:05 GMT

    [ https://issues.apache.org/jira/browse/GEODE-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16008993#comment-16008993
] 

ASF subversion and git services commented on GEODE-2900:
--------------------------------------------------------

Commit 3c55bd7fafcec99a1d8f3fa297a01b0343f6bf5f in geode's branch refs/heads/feature/GEODE-2900
from [~huynhja]
[ https://git-wip-us.apache.org/repos/asf?p=geode.git;h=3c55bd7 ]

commit ef5f9a09822eb9a0cd207c8ef183587654beacd8
Merge: 4ad543d 1252cae
Author: Jason Huynh <huynhja@gmail.com>
Date:   Fri May 12 16:32:23 2017 -0700

    Merge branch 'develop' into feature/GEODE-2900

commit 4ad543d600da57185cee5c6714df876d83f751c7
Author: Jason Huynh <huynhja@gmail.com>
Date:   Fri May 12 16:24:05 2017 -0700

    Fix for NPE with stateflush

commit b95ed3c9d1226b5acf3afc5b3261da29230151eb
Author: Jason Huynh <huynhja@gmail.com>
Date:   Fri May 12 15:18:35 2017 -0700

    Fixing failing test

commit da95ce199f1ec87e7466c14910411e89a3981e36
Author: Jason Huynh <huynhja@gmail.com>
Date:   Fri May 12 10:12:46 2017 -0700

    StateFlush changes

commit 5b37efbd75631b99a24b533b62e5f31d7a2a7b4f
Author: Jason Huynh <huynhja@gmail.com>
Date:   Fri May 12 10:12:35 2017 -0700

    NPE check

commit bbf016376b76c501f3051521ac46b995f6795781
Author: Jason Huynh <huynhja@gmail.com>
Date:   Tue May 9 15:29:12 2017 -0700

    GEODE-2900: spotlessApply

commit 5b4e4330678f9eb49df2e647a9dd0a0f015d8047
Author: Jason Huynh <huynhja@gmail.com>
Date:   Tue May 9 14:40:42 2017 -0700

    GEODE-2900: Renamed method and changed some code comments

commit 240b469ff217fbfba39381f196ae3e0e832a69a6
Author: Jason Huynh <huynhja@gmail.com>
Date:   Tue May 9 10:11:39 2017 -0700

    GEODE-2900:  push shadow key back into the front of the eventSeqNumber "Queue"


> 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
>
> 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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