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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5885) Virtualhostnode to replace real virtualhost with replica virtualhost in the event that the BDB HA goes into detached state
Date Fri, 18 Jul 2014 21:44:05 GMT

    [ https://issues.apache.org/jira/browse/QPID-5885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066924#comment-14066924
] 

Keith Wall commented on QPID-5885:
----------------------------------

Alex - can you review this commit.

> Virtualhostnode to replace real virtualhost with replica virtualhost in the event that
the BDB HA goes into detached state
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-5885
>                 URL: https://issues.apache.org/jira/browse/QPID-5885
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Keith Wall
>            Assignee: Alex Rudyy
>             Fix For: 0.29
>
>
> Currently, if the BDB HA node goes into a detached state (as it does when it restarts
itself when it detects that quorum has gone), the virtualhost remains available.  
> If a client attempts a virtualhost operation whilst the node is in this state, the operation
appears hangs with timeouts appearing on the client.  This hang is owing to the ReplicaConsistencyPolicy
- which defaults to 1h.
> The virtualhostnode should replace the real virtualhost with the 'replica' virtualhost
when the node is in detached state.  This will cause existing client connections to be disconnected
and new connections will be disallowed.  



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