[rules-users] addKnowledgePackages Delay

[Rajnikant Gupta]

Hi,

Yes, adding packages to knowledgeBase does take some time. You can probably
try caching your knowledgeBase. By doing this all, but first,
requests should be significantly fast.




Regards,

Rajnikant Gupta

http://rkthinks.wordpress.com/


On Mon, May 3, 2010 at 11:36 AM, malkhafaji <moe.alkhafaji at medcpu.com>wrote:

>
> Hello,
>
> I am trying to add knowledge packages to an existing KnowledgeBase. My
> largest DRL file has 110 rules. I noticed that it may take up to 5 seconds
> just to execute the following statement:
>
> this.knowledgeBase.addKnowledgePackages(packages);
>
> where "packages" is just a list of one knowledge package representing one
> drl. The nature of my rules is that I initially load a small set of rules
> and then at runtime my rules may load other DRLs. The problem is each DRL
> loading command (this.knowledgeBase.addKnowledgePackages(packages)) takes a
> few seconds and I have no idea why. Although, all those DRLs are already
> compiled (at startup time). It is the line I pasted above that takes the
> longest time out of anything else I do.
>
> Any idea why just merely adding a KnowledgePackage list to a KnowledgeBase
> can take this much time? Do you guys have any suggestions on how I can
> reduce this time? I tried to create another dummy KnowledgeBase and get the
> KnowledgePackage from it at runtime and add that to my KnowedgeBase above
> (thinking that would reduce the time maybe), but not at all.
>
> Any ideas would be great. The API does not have much info on what that add
> method exactly does behind the scenes, and how I can get around the long
> delays. This is very frustrating to me, and I am not sure where to look.
> Thanks for ANY help at all.
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/addKnowledgePackages-Delay-tp772574p772574.html
> Sent from the Drools - User mailing list archive at Nabble.com.
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