JBoss thread contention on org.jboss.jca.core.tracer.Tracer

Issue

• We are facing performance concerns with thread contention on org.jboss.jca.core.tracer.Tracer like below:

"default-threads - 22" #400 prio=5 os_prio=0 tid=0x000055e2aa223000 nid=0xa9139 waiting for monitor entry [0x00007f3e9fa06000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.jboss.jca.core.tracer.Tracer.pushCCMContext(Tracer.java:586)
    - waiting to lock <0x00000005c27e67d0> (a java.lang.Class for org.jboss.jca.core.tracer.Tracer)
    at org.jboss.jca.core.connectionmanager.ccm.CachedConnectionManagerImpl.pushMetaAwareObject(CachedConnectionManagerImpl.java:438)
    at org.jboss.as.connector.deployers.ra.processors.CachedConnectionManagerSetupProcessor$CachedConnectionManagerSetupAction.setup(CachedConnectionManagerSetupProcessor.java:104)
    at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:52)
    at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)