Thanks for your confirmation. Can anyone else report a case like that? I
didn't progress much in finding an explanation so far. If anyone else could
confirm, maybe this is some kind of common problem, maybe even a bug?

Is there something like a public issue tracker? Still, more cases would help,
don't want to bug developers offering such a great project and in the end it
turns out that I made a mistake...

Have a nice weekend everyone!



-----Ursprüngliche Nachricht-----
Von: rules-users-boun...@lists.jboss.org
[mailto:rules-users-boun...@lists.jboss.org] Im Auftrag von mardo
Gesendet: Freitag, 13. August 2010 14:46
An: rules-users@lists.jboss.org
Betreff: Re: [rules-users] fireUntilHalt() and OSGi - CPU load


"When invoking fireUntilHalt() for my StatefulKnowledgeSession, CPU load
rises to 25% (meaning one complete core on the quad-core machine)."

I can confirm this issue. Below is a minimal example. I have noticed that in
DefaultAgenda, missedNotifyAll is always true in this case, is this an
intended behaviour?


<?xml version="1.0" encoding="UTF-8"?> 
<definitions id="Definition"
             targetNamespace="http://www.jboss.org/drools";
             typeLanguage="http://www.java.com/javaTypes";
             expressionLanguage="http://www.mvel.org/2.0";
             xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL";
             xmlns:xs="http://www.w3.org/2001/XMLSchema-instance";
             xs:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL
BPMN20.xsd"
             xmlns:g="http://www.jboss.org/drools/flow/gpd";
             xmlns:tns="http://www.jboss.org/drools";>

  <process processType="Private" isExecutable="true" id="servicerequest2"
name="servicerequest.b" >

    <!-- nodes -->
    <startEvent id="_1" name="Manual Trigger (Customer Calls)" g:x="19"
g:y="124" g:width="48" g:height="48" />
    <endEvent id="_19" name="End" g:x="463" g:y="148" g:width="48"
g:height="48" >
        <terminateEventDefinition/>
    </endEvent>
    <userTask id="_22" name="Initialize Service Request Process" g:x="139"
g:y="234" g:width="100" g:height="48" >

      <potentialOwner>
        <resourceAssignmentExpression>
          <formalExpression>john</formalExpression>
        </resourceAssignmentExpression>
      </potentialOwner>
    </userTask>

    <!-- connections -->
    <sequenceFlow id="_22-_19" sourceRef="_22" targetRef="_19" />
    <sequenceFlow id="_1-_22" sourceRef="_1" targetRef="_22" />

  </process>

</definitions>



public void test() throws InterruptedException{
                try {
                        // load up the knowledge base
                        KnowledgeBase kbase = readKnowledgeBase();
                        final StatefulKnowledgeSession ksession =
kbase.newStatefulKnowledgeSession();
                        
                        
                        WSHumanTaskHandler wsh = new WSHumanTaskHandler();
                        wsh.setConnection("127.0.0.1", 9123);
        
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", wsh);

                        
                        
                        new Thread(new Runnable() {
                                  public void run() {
                                    ksession.fireUntilHalt();
                                  }
                                }).start();
                        ksession.startProcess("servicerequest2");
                } catch (Throwable t) {
                        t.printStackTrace();
                }
                
                
                Thread.sleep(1200000);

                        

        }

        private static KnowledgeBase readKnowledgeBase() throws Exception {
                KnowledgeBuilder kbuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();

        
kbuilder.add(ResourceFactory.newClassPathResource("testcases/integrationuc/se
rvicerequest.bpmn"),
ResourceType.BPMN2);
                return kbuilder.newKnowledgeBase();
        }

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U-load-tp1022352p1131701.html
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