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  1. WildFly
  2. WFLY-10731

core-threads of ManagedScheduledExecutorService limits number of maximal threads

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Details

    • Bug
    • Resolution: Done
    • Major
    • 15.0.0.Beta1, 15.0.0.Final
    • 12.0.0.Final
    • EE
    • None

    Description

      After changing the default configuration:

                       <managed-scheduled-executor-services>
-                    <managed-scheduled-executor-service name="default" jndi-name="java:jboss/ee/concurrency/scheduler/default" context-service="default" hung-task-threshold="60000" keepalive-time="3000"/>
+                    <managed-scheduled-executor-service name="default" jndi-name="java:jboss/ee/concurrency/scheduler/default" context-service="default" long-running-tasks="true" core-threads="2" keepalive-time="3000"/>
                 </managed-scheduled-executor-services>

      only 2 (= value of core-threads) threads are used by the Scheduled Executer Service:

      $ grep ManagedScheduledExecutorService $WILDFLY/standalone/log/server.log | tail
2018-07-24 12:03:22,901 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-2) ..
2018-07-24 12:03:22,911 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-1) ..
2018-07-24 12:03:22,923 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-2) ..
2018-07-24 12:03:22,963 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-1) ..
2018-07-24 12:03:22,967 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-2) ..
2018-07-24 12:03:22,981 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-1) ..
2018-07-24 12:03:22,996 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-2) ..
2018-07-24 12:03:23,016 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-1) ..
2018-07-24 12:03:23,035 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-2) ..
2018-07-24 12:03:23,039 INFO  [org.dcm4che3.net.Association] (EE-ManagedScheduledExecutorService-default-Thread-1) ..

      I have not yet tested if the issue also effects Wildfly 13.0.0.Final ( cannot use Wildfly 13.0.0.Final because of WFLY-10531 )

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            jondruse@redhat.com Jiri Ondrusek
            gunterze Gunter Zeilinger (Inactive)
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              Created:
              Updated:
              Resolved: