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  1. Red Hat Process Automation Manager
  2. RHPAM-3737

PrometheusMetricsDroolsListener is repeatedly added to the same ksession instance

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Details

    • Bug
    • Resolution: Done
    • Major
    • 7.11.1.GA
    • 7.10.1.GA
    • Kie-Server
    • None
    • 1
    • False
    • False
    • CR1
    • +
    • Undefined
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      1. Enable prometheus metrics

      <property name="org.kie.prometheus.server.ext.disabled" value="false"/>

      2. Call a stateless ksession with the same lookup id in kie-server multiple times.
      3. Capture a heap dump
      4. In the heap dump, look at StatelessKnowledgeSessionImpl.listeners. It contains multiple PrometheusMetricsDroolsListener instances.

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      1. Enable prometheus metrics <property name= "org.kie.prometheus.server.ext.disabled" value= "false" /> 2. Call a stateless ksession with the same lookup id in kie-server multiple times. 3. Capture a heap dump 4. In the heap dump, look at StatelessKnowledgeSessionImpl.listeners. It contains multiple PrometheusMetricsDroolsListener instances.
    • 2021 Week 22-24 (from May 31)

    Description

      DroolsKieSessionLookupHandler repeatedly adds PrometheusMetricsDroolsListener to the same ksession instance. It will cause performance degrade especially for stateless ksession. Also metric count is not reliable.

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          Bug - A problem that impairs or prevents the functions of the product. DROOLS-6395 PrometheusMetricsDroolsListener is repeatedly added to the same ksession instance

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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            People

              rhn-support-tkobayas Toshiya Kobayashi
              afanjula@redhat.com Alberto Fanjul Alonso
              Karel Suta Karel Suta
              Karel Suta Karel Suta
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              Dates

                Created:
                Updated:
                Resolved: