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Posted to dev@activemq.apache.org by "Timothy Bish (JIRA)" <ji...@apache.org> on 2012/11/29 22:15:00 UTC
[jira] [Closed] (AMQ-869) provide a broker-to-broker
synchronization protocol so that an old master can be brought back online
and synchronize up with a slave (which is running as a master) or to bring
an old slave back online
[ https://issues.apache.org/jira/browse/AMQ-869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timothy Bish closed AMQ-869.
----------------------------
Resolution: Won't Fix
Pure master slave removed for v5.8
> provide a broker-to-broker synchronization protocol so that an old master can be brought back online and synchronize up with a slave (which is running as a master) or to bring an old slave back online
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMQ-869
> URL: https://issues.apache.org/jira/browse/AMQ-869
> Project: ActiveMQ
> Issue Type: New Feature
> Components: Broker
> Reporter: james strachan
> Fix For: NEEDS_REVIEWED
>
>
> We basically need 2 brokers to compare their current state and ensure they are both in exactly the same state.
> e.g.
> * both brokers checkpoint
> * they perform a database merge
> * they can now continue being a master-slave pair
> Maybe the easiest implementation is to find the list of all unique message producers then perform a 'sequence-range' comparison.
> e.g.
> broker1:
> producer1: 1-100, 102-142, 145
> ...
> broker2:
> producer1: 1-12
> then we send from broker1 to broker2 producer1: 13-100, 102-142, 145
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