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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (QPID-4325) HA Starting from persistent store.
Date Tue, 25 Sep 2012 20:54:07 GMT

     [ https://issues.apache.org/jira/browse/QPID-4325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Conway resolved QPID-4325.
-------------------------------

    Resolution: Fixed

Fixed on trunk

------------------------------------------------------------------------
r1390123 | aconway | 2012-09-25 16:49:33 -0400 (Tue, 25 Sep 2012) | 9 lines

QPID-4325: HA Starting from persistent store

When re-starting a persistent HA cluster, the broker that becomes primary should
keep its store data while all the backup brokers should discard their store data
and catch up from the primary. Backups cannot simply use their own stores
because sequence numbers of stored messages will not match on all brokers. The
backup erases individual queues and exchanges as the catch-up process gets to
them.

------------------------------------------------------------------------

                
> HA Starting from persistent store.
> ----------------------------------
>
>                 Key: QPID-4325
>                 URL: https://issues.apache.org/jira/browse/QPID-4325
>             Project: Qpid
>          Issue Type: New Feature
>          Components: C++ Clustering
>    Affects Versions: 0.18
>            Reporter: Alan Conway
>            Assignee: Alan Conway
>
> When re-starting a persistent HA cluster, the broker that becomes primary should keep
its store while all the backup brokers should erase their store before connecting to the primary
catch-up. Backups cannot simply use their own stores because sequence numbers of stored messages
will not match on all brokers.
> (NOTE a better but more complicated start-up is QPID-4324)

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