[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1509) Performance issue with Drools 3.0

[Mark Proctor (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1509?page=all ]

Mark Proctor closed JBRULES-1509.
---------------------------------

    Resolution: Out of Date

Drools 3.0 is no longer community supported, either use the mailing lists or contact jboss for paid priority support sales at jboss.com.

> Performance issue with Drools 3.0
> ---------------------------------
>
>                 Key: JBRULES-1509
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1509
>             Project: JBoss Drools
>          Issue Type: Quality Risk
>      Security Level: Public(Everyone can see) 
>          Components: Conflict Resolution
>    Affects Versions: 3.0.5
>         Environment: Windows XP Professional and Sun Solaris
>            Reporter: Naveen GAUBA
>         Assigned To: Mark Proctor
>
> We are using Drools 3.0 in our project and facing some issues with the way it works.
> We have lets say 3 rules in our drools file with different salience values and LHS (IF criteria). When we run the rules for a fact, the Rules Engine first asserts all the 3 rules irrespective of the salience value. Once the assertion is done the Rules Engine runs the appropriate rule according to salience.
> Assuming that we had 10-20 rules in our drools file the Engine would have asserted all of them for all the facts and then executed the appropriate rules. But this whole process would consume a lot of processing time.
> Could the Rule Engine take care of the salience feature while Asserting the Rules and stop when evaluation of LHS (IF criteria) for a Rule is TRUE. This way it can save some CPU cycles.

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