[jira] [Commented] (QPID-3603) New approach to HA

2013-04-03 Thread Alan Conway (JIRA)

[ 
https://issues.apache.org/jira/browse/QPID-3603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620944#comment-13620944
 ] 

Alan Conway commented on QPID-3603:
---

Documentation for new HA is in qpid/doc/book/src/cpp-broker

> New approach to HA
> --
>
> Key: QPID-3603
> URL: https://issues.apache.org/jira/browse/QPID-3603
> Project: Qpid
>  Issue Type: Improvement
>  Components: C++ Clustering
>Affects Versions: 0.14
>Reporter: Alan Conway
>Assignee: Alan Conway
> Fix For: 0.17
>
>
> The existing cluster code suffers from some maintainability and performance 
> problems. This is a proposal to write a new HA solution based on the 
> "replicating subscription" that will replace the current cluster. This is a 
> competing proposal to QPID-2920.
> Summary: a "replicating subscription" is a special queue browser that can see 
> acquired and un-acquired messages and also receives dequeue events to 
> replicate remote queue contents. The new HA solution will create & manage 
> these subscriptions in order to maintain a back-up of a primary broker on one 
> or more back-up brokers. This is an active-passive hot-standby configuration, 
> where exactly one broker is primary and the others are secondary. Initially 
> plan is to use Cluster Suite's rgmanager to enforce the roles and manage 
> fail-over, but we could support other cluster resource managers (e.g. 
> PaceMaker) in the future.

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[jira] [Commented] (QPID-3603) New approach to HA

2011-11-09 Thread Alan Conway (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/QPID-3603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147328#comment-13147328
 ] 

Alan Conway commented on QPID-3603:
---

Initial design doc at 
https://svn.apache.org/repos/asf/qpid/branches/qpid-3603/qpid/cpp/design_docs/replicating-browser-design.txt

> New approach to HA
> --
>
> Key: QPID-3603
> URL: https://issues.apache.org/jira/browse/QPID-3603
> Project: Qpid
>  Issue Type: Improvement
>Affects Versions: 0.14
>Reporter: Alan Conway
>Assignee: Alan Conway
>
> The existing cluster code suffers from some maintainability and performance 
> problems. This is a proposal to write a new HA solution based on the 
> "replicating subscription" that will replace the current cluster. This is a 
> competing proposal to QPID-2920.
> Summary: a "replicating subscription" is a special queue browser that can see 
> acquired and un-acquired messages and also receives dequeue events to 
> replicate remote queue contents. The new HA solution will create & manage 
> these subscriptions in order to maintain a back-up of a primary broker on one 
> or more back-up brokers. This is an active-passive hot-standby configuration, 
> where exactly one broker is primary and the others are secondary. Initially 
> plan is to use Cluster Suite's rgmanager to enforce the roles and manage 
> fail-over, but we could support other cluster resource managers (e.g. 
> PaceMaker) in the future.

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[jira] [Commented] (QPID-3603) New approach to HA

2011-11-09 Thread Alan Conway (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/QPID-3603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147294#comment-13147294
 ] 

Alan Conway commented on QPID-3603:
---

Created branch qpid-3603 to integrate work on this project.

> New approach to HA
> --
>
> Key: QPID-3603
> URL: https://issues.apache.org/jira/browse/QPID-3603
> Project: Qpid
>  Issue Type: Improvement
>Affects Versions: 0.14
>Reporter: Alan Conway
>Assignee: Alan Conway
>
> The existing cluster code suffers from some maintainability and performance 
> problems. This is a proposal to write a new HA solution based on the 
> "replicating subscription" that will replace the current cluster. This is a 
> competing proposal to QPID-2920. 
> Summary: a "replicating subscription" is a special queue browser that can see 
> acquired and un-acquired messages and also receives dequeue events to 
> replicate remote queue contents. The new HA solution will create & manage 
> these subscriptions in order to maintain a back-up of a primary broker on one 
> or more back-up brokers. This is an active-passive hot-standby configuration, 
> where exactly one broker is primary and the others are secondary. Initially 
> plan is to use Cluster Suite's rgmanager to enforce the roles and manage 
> fail-over, but we could support other cluster resource managers (e.g. 
> PaceMaker) in the future.

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