[rules-users] Insert Fact Speed bottleneck

[Wolfgang Laun]

Not having any clue about the fact structure (field types) and rule patterns
makes it impossible to advise.

"Moving conditions around" is, of course, one way, but there might be
things you have overlooked; or essentially different techniques.

-W


On Wed, May 5, 2010 at 10:19 AM, djb <dbrownell83 at hotmail.com> wrote:
>
> Hi Drools team,
>
> I wrote a Drools application for my company, which evaluates clinical claim
> processing rules.  That is, it checks current medical claims against the
> patient's historical claims.
>
> It appears that 95% of the run time is dedicated to inserting facts, which
> is presumably when it propagates through the RETE graph, since firing the
> rules takes no time.
>
> But it seems like it's not fast enough.  I made a rule template, which by
> trial and error of moving the conditions around, is optimised.  I'm
> averaging 310ms, and need it to be under 170ms for it to be viable.
>
> Is there any not-too-technical guide to optimisation somewhere?  (alpha and
> beta-nodes scare me a bit).
>
> Regards,
> Daniel
>
>
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