A section of the Drools documentation ends abruptly with the sentence: The
next example shows how we can reason over the results of a hibernate query. The
Restaurant pattern will reason over and bind with each result in turn:
The rest could be found here:
Folks,
I am currently trying to scale our implementation by farming out
request into mutliple threads. I am on a 4 CPU Mac.
A few things I am wondering about:
1. Although I see an increase in CPU load when going from single to
multi-threaded processing the throughput increased marginally. I am
Hi Ingomar,
Which drools version are you using? We made improvements on 4.0.4, that
fixes concurrency issues on mvel core, so if you aren't using it please do
an update and try test against your environment.
Please let me know if your problems go away when you upgrade.
Thanks
On Jan 22, 2008
Hi,
we are trying to use Drools as a business rules engine and we have
encountered some difficulties. First of all when we log into BRMS, the
jackrabbit session is created and JCR is locked. This seems to be natural
and of course it is correct but we need to communicate with repository from
This looks different to what was fixed in 4.0.4. I'm cc'ing brockm to
get his feedback as it looks like an MVEL bug on accessors.
Mark
Fernando Meyer wrote:
Hi Ingomar,
Which drools version are you using? We made improvements on 4.0.4,
that fixes concurrency issues on mvel core, so if you
Hello michael,
Is the rule agent running on a separate server to the brms?
The initial configuration was:
- BRMS in tomcat 5.5
- server with RuleAgent in Jboss AS 3.2.8
But now I moved to this configuration:
- server with RuleAgent in Jboss AS 3.2.8 (unchanged)
- BRMS is also in the same
safi wrote:
Hi,
we are trying to use Drools as a business rules engine and we have
encountered some difficulties. First of all when we log into BRMS, the
jackrabbit session is created and JCR is locked. This seems to be natural
and of course it is correct but we need to communicate with
I am trying to set up a set of unit tests for the set of rules in a
.drl file.
How can you fire just one rule in a .drl packaqe.
Cheers,
Blair
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For unit tests, you can use agenda filters.
[]s
Edson
2008/1/22, Christie, Blair [EMAIL PROTECTED]:
I am trying to set up a set of unit tests for the set of rules in a .drl
file.
How can you fire just one rule in a .drl packaqe.
Cheers,
Blair
I've had no feedback on the dev mailing list about this, so thought I'd
mention it here. If you want strong spring/guice integration with Drools
please do get involved in this project and if they mature well enough
we'll include them as part of the standard distro.
jack wu wrote:
my profiler shows that it takes the same amount of time to do:
final RuleBase ruleBase = RuleBaseFactory.newRuleBase(
RuleBase.RETEOO, conf );
as to do:
session.executeWithResults();
i am wondering if i can cache the ruleBase and do addPackage() and
removePackage() for each
jack wu wrote:
i remember seeing some one mentioning org.drools.rule.Package
serialization is slow and there are some improvement code coming in.
is that code already in the code base? thanks.
No that is not there. Simon Harris, an old school drools hacker, has
looked into it and believes he
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