[ http://issues.apache.org/jira/browse/QPID-33?page=all ]
Rafael H. Schloming updated QPID-33:
------------------------------------
Assignee: Rafael H. Schloming
> Introduce clustering for high availability & fault tolerance
> ------------------------------------------------------------
>
> Key: QPID-33
> URL: http://issues.apache.org/jira/browse/QPID-33
> Project: Qpid
> Issue Type: New Feature
> Components: Java Broker
> Reporter: Marnie McCormack
> Assigned To: Rafael H. Schloming
> Fix For: M2
>
>
> This task has been created as an initial place holder from which it is
> anticipated many tasks will derive.
> We currently have a clustering implementation which provides scalability but
> not high availability i.e. currently if a broker in a cluster fails its
> clients can failover to another broker in the same cluster BUT we do not have
> the ability to restart on another node at the last state before failure using
> the saved state (from shared storage).
> The other brokers in a cluster will know about (via broadcasting) each
> other's queues etc, but not about any action the failed broker will
> processing - thus we could potentially suffer message loss and state
> disconnect. Also note that currently membership of a cluster does not imply
> any failover behaviour automatically.
> We know that there are users who require HA/fault tolerant clustering with
> 99.999% availability.
> A holding page for clustering & HA notes exists here:
> http://wiki.apache.org/qpid/ClusteringHA with use case content.
> The analysis for this task will involve expanding the design documentation
> and inviting review prior to work starting on the implementation and also
> requires a thorough understanding of the protocol.
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