Edson,
I figured I must have missed some docs explaining changes required for the upgrade. If I suspected this was an inherent problem with the 5.0 release I'd have supplied lots of info. I am inferring from the response that there are no known issues with 5.0 upgrade so I'll do my own investigation for a while. Let's hope I find something unrelated to the Drools.
 Scott

Edson Tirelli [5/28/2009 12:52 PM] wrote:

   Scott,

As others already mentioned, your e-mail does not help much. We need to know what is "unacceptably slow". How much slower is that? 10%, 100%, 1000%? Also, we need a description of your use case: what kind of rules do you use, how many rules, how many facts, etc. Finally, we need a way to reproduce the problem.

   So, if you can provide more info, we might be able to help.

    []s
    Edson

2009/5/28 Scott Reed <[email protected] <mailto:[email protected]>>

    I just upgraded our app from Drools 4 to 5 libraries. We just use
    the rules engine with DRL. The performance of the engine on our
    rulebase is unacceptably slow.  I assume there is something we
    need to do to our rules or the way we are configuring the engine
    to fix this. I don't see anything in the release notes about
    backwards compatibility issues. I would very much appreciate it if
    someone would direct me to any documentation that explains what
    needs to be done so our 4.0 rules perform at least as well as they
    did before the upgrade?
    Thanks,
     Scott
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--
 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com <http://www.jboss.com>
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