[rules-users] Re: Entreprise using Drools with success

[Mark Proctor]

heh,  can I quote this in my blog?

Actually if people want to send me their findings, don't have to mention 
your employers I can do this anonymously, then I'll put them all up 
together on the blog :)

Mark
Matt Geis wrote:
> Not quite able to say who I work for, but we run a brokerage app for which we licensed the source code.  We've been running/modding the app for the last 3 years, so it's pretty much our app now, in terms of how familiar we are with it, and how much we've changed/tuned it.
>
> That being said, our app had a custom rules engine, with a bloated XML language, etc.  In evaluating Drools, I tested out commission calculation.  We have about 40 scenarios, so I created 1000 trades of each type, put them in a collection, and shuffled it.  Commission calculation in our old rules engine took about 38000ms, and Drools did it in about 250ms.
>
> So, the speed, and the fact that to download it, read the docs, write all the rules using a DSL, and write and run the test took me only about 4 hours (never having seen Drools before) led me to think that it merited a closer look.
>
> Matt
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