[rules-users] Drools Fusion High Availability

[Mark Proctor]

  On 21/09/2010 13:02, Thomas Peuß wrote:
>
> Hello!
>
> We are thinking about using Drools Fusion 5.1 for Complex Event 
> Processing. We have a prototype running that consumes events from a 
> Tibco JMS server. Everything works as expected. My boss is now asking 
> about HA features that are available. I have read the documentation 
> and found nearly nothing about HA features. In the case of Fusion you 
> have long running threads working on fireUntilHalt(). So when the node 
> goes down you loose all the events that live in the ksession memory. 
> What possibilities do you see to run Fusion in an HA environment?
>
There are two bespoke solutions you can do.
1) Setup 2 or more engines and the JMS queues sends facts to both so 
that you have redundancy.
2) Keep all facts in a HA cloud, using something like infinispan, if the 
engine goes down restart it and reload the data.

Mark
>
>
> Thanks for your ideas
> Thomas
>
>
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