[rules-users] Drools Performance

[Mark Proctor]

On 27/04/2011 11:52, Sumeet Karawal wrote:
>
> Thanks Michael for the help. But, is there any benchmark or a rough figure
> like number of hits or number of rule fired per minute, for normal
> performance.
I can write one rule that runs much slower than something with 1000 
rules. So we suggest people do their own real life proof of concepts and 
see if they run fast enough.

We tend to avoid benchmarking only because it ends up a focus point 
between competitors and all of them cheat making the exercise pointless.

MArk
> Regards,
> Sumeet Karawal
>
> Mailto: sumeet.karawal at tcs.com
>
>
>
>
>    From:       Michael Anstis<michael.anstis at gmail.com>
>
>    To:         Rules Users List<rules-users at lists.jboss.org>
>
>    Date:       04/27/2011 04:13 PM
>
>    Subject:    Re: [rules-users] Drools Performance
>
>    Sent by:    rules-users-bounces at lists.jboss.org
>
>
>
>
>
>
> If you use a stateless session per transaction you should generally be OK.
>
> How much lag you're likely to encounter is a much harder question to
> answer: how well does your database retrieval scale, would this present an
> issue before the rules engine?
>
> The rules engine is "just a POJO library" the overall scalability would IMO
> depend upon your application's architecture.
>
> On 27 April 2011 11:27, Sumeet Karawal<sumeet.karawal at tcs.com>  wrote:
>
>    Hi,
>
>    I have an Application where I have to give the discount to user according
>    to their profile points.
>
>    i.e. when the user logs in, his profile points are fetched from the
>    database, and respectively he is given the required discount.
>
>    My concern is how many concurrent users will be supported by the rules
>    engine, will there a performance lag if the concurrent number of users
>    exceed a certain limit. Please help me on this as I have no idea
>    regarding
>    this.
>
>    Thanks and Reagrds,
>    Sumeet Karawal
>
>    Mailto: sumeet.karawal at tcs.com
>
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