[rules-users] Embedded Drools into clustered application

Tan Hui Onn huionn at gmail.com
Mon Aug 16 22:36:49 EDT 2010


Thanks for your reply. It clears my doubt : )

I checked your Drools Grid (Part 3) and found that it actually
supports Local Execution Node.
I like its 'transparency' so I can choose to use it later on with
minimal change in codes.

Thanks.

2010/8/16 Mauricio Salatino <salaboy at gmail.com>:
> If you don't want session fail over it will work out of the box. If you want
> to start a flow inside one node and then continue the process from another
> node it will work. Of course both nodes need to have a connection to the
> same database.
> The idea with Drools Grid is to simplify the deployment and distribution of
> your knowledge session across the grid and also do that transparently for
> your application :)
> Greetings.
>
> On Mon, Aug 16, 2010 at 2:20 AM, Tan Hui Onn <huionn at gmail.com> wrote:
>>
>> Some additional note to my question. The intended clustering need not
>> to support session failover. In other words, the session states will
>> not be replicated from one server to another.
>>
>> On Fri, Aug 13, 2010 at 8:36 PM, cafebabe <huionn at gmail.com> wrote:
>> >
>> > Hi,
>> > Based on my understanding from reading some drools posts and blogs,
>> > stateful
>> > knowledge session will not work correctly if drools is embedded into an
>> > application deployed in clustered application servers. Am I right?
>> >
>> > What if I want to use embedded drools purely for its BPM (drools flow)
>> > in
>> > clustered application? Any gotchas to take note or it will simply not
>> > working?
>> >
>> > anybody has related experience?
>> >
>> > (i found there is work-in-progress alternative - drools grid. but i
>> > prefer
>> > to start with embedded drools flow bcoz it is simpler to code and offers
>> > more control.)
>> > --
>> > View this message in context:
>> > http://drools-java-rules-engine.46999.n3.nabble.com/Embedded-Drools-into-clustered-application-tp1131520p1131520.html
>> > Sent from the Drools - User mailing list archive at Nabble.com.
>> > _______________________________________________
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>
>
> --
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>
>  - Salatino "Salaboy" Mauricio -
>
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