[rules-users] Rule processing for High volume input

[techy]

Thanks Greg. Since I'll do update on the facts to control the order of
execution, I don't think i can go for sequential mode.

1. I can't have multiple session from same rulebase and assign each session
to single thread. right?
2. Can I use drools 5 in production environment? if not,  when is first prod
release expected?
3. where can I do look for rule base partitioning examples/info?


Greg Barton wrote:
> 
> I'm assuming you'll be running each rule base in a separate thread
> simultaneously?  There are no dependencies between the rules in the five
> rule bases?  If so, that will work just fine.  
> 
> If your rules are simple enough you can use sequential mode.  It can speed
> up execution quite a bit. 
> 
> http://downloads.jboss.com/drools/docs/4.0.7.19894.GA/html_single/index.html#d0e1295
> 
> This could be used in conjunction with the simultaneous execution above.
> 
> Finally, you can get some multithreaded benefit in a single rule session
> if you're using drools 5 and turn on rule base partitioning.  As I
> understand it this works best when the rules have less join conditions in
> them. (i.e. mostly single object conditions, and less multi-object
> conditions.)
> 
> --- On Thu, 11/6/08, techy <techluver007 at gmail.com> wrote:
> 
>> From: techy <techluver007 at gmail.com>
>> Subject: [rules-users] Rule processing for High volume input
>> To: rules-users at lists.jboss.org
>> Date: Thursday, November 6, 2008, 3:41 PM
>> I have to run rules(1000 rules) against 20-30 million of
>> record each day.
>> I guess I would have memory issue If I insert all of
>> records into working
>> memory.
>> 
>> so I'm thinking to have multiple rule base instance and
>> do batch processing
>> as given below.so that I can avoid memory issue and quick
>> rule processing
>> 
>> 
>> a.Take  first 1 million records and distribute 1 millon
>> across working
>> memory of 5 rule base.
>> b.fire rules in all 5 rule base
>> c.clear working memory of all rule base
>> d. take next 1 million record and start from step-a till I
>> process all of
>> the records.
>> 
>> 
>> Please advise whether this is possible/recommended way or
>> not.
>> 
>> thanks
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