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[jboss-Usuario] [JBoss Remoting] - Fuera de Error de Memoria con Concurr

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Subject: [jboss-Usuario] [JBoss Remoting] - Fuera de Error de Memoria con ConcurrentReaderHashMap en Jboss 5.1.0
From: Anil Mathew <do-not-reply@xxxxxxxxx>
Date: Wed, 14 Sep 2011 20:20:42 -0400
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*Anil Mathew [*http://comunidad.*jboss.*org/Personas/*amathewjboss1] creó la discusión

"Fuera de Error de Memoria con *ConcurrentReaderHashMap en *Jboss 5.1.0"

para ver la discusión, visita: *http://comunidad.*jboss.*org/Mensaje/626575#626575

--------------------------------------------------------------
*Hi,

   estamos corriendo en *JBoss 5.1 / *JDK 1.6 en Linux *servers. Durante carga muy alta estamos viendo Fuera de Error de Memoria y él parece gusta relacionado al *JBoss *remoting. 

   Tomamos un *heap vertedero y la Memoria *Analyzer muestra el abajo el caso está tomando 25% de la memoria:

Un caso de *"*org.*jboss.*mx.*server.*MBeanServerImpl"* Cargado por *"*org.*jboss.*classloader.*spi.Base.*BaseClassLoader @ 0*x415*b2*fc8"* ocupa *65,055,032 (24.64%)* *bytes. La memoria es acumulada en un caso de *"*EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap$Entrada[]"* cargado por *"*org.*jboss.*bootstrap.*NoAnnotationURLClassLoader @ 0*x42*f8*ba78"*.

  Los detalles que está señalando *ot el *JBoss *remoting clases:

la Clase Nombra                                                                                                                                                Superficial *Heap Retenido *Heap 
1. *EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap$Entrada[2048]  Superficial *Heap => 8,208    Retenido *Heap => 45,693,888 
   *EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap   Superficial *Heap => 56      Retenido *Heap => 45,761,640 
      *EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap$La Entrada Superficial *Heap => 24                Retenido *Heap => 45,761,688 
          *EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap$Entrada[64] Superficial *Heap => 272                Retenido *Heap => 64,584,776 
             *EDU.*oswego.*cs.*dl.*util.Concurrente.*ConcurrentReaderHashMap Superficial *Heap => 56                Retenido *Heap => 64,621,408 
                  *org.*jboss.*mx.*server.*registry.*BasicMBeanRegistry Superficial *Heap =>  48      Retenido *Heap => 64,621,680 
                      *org.*jboss.*mx.*server.*MBeanServerImpl Superficial *Heap => 24       Retenido *Heap => 65,055,032 
                          *com.*arjuna.*ats.Interno.*jbossatx.Agente.*LocalJBossAgentImpl 
                         *java.*lang.Hilo @ 0*x42135*bb8 Señal *Dispatcher Indígena *Stack, Hilo 
                         *org.*jboss.Invocación.*pooled.*server.*PooledInvokerHA 
                         *org.*jboss.Invocación.*pooled.*server.*PooledInvoker 
         *org.*jboss.*remoting.Transporte.*bisocket.*BisocketServerInvoker 
                       *org.*jboss.*remoting.Transporte.*socket.*SocketServerInvoker 


  Cualesquier pensamientos en este complacer?

*Thanks
*Anil Mathew
--------------------------------------------------------------

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Anil Mathew [http://community.jboss.org/people/amathewjboss1] created the discussion

"Out of Memory Error with ConcurrentReaderHashMap on Jboss 5.1.0"

To view the discussion, visit: http://community.jboss.org/message/626575#626575

--------------------------------------------------------------
Hi,

   We are running on JBoss 5.1 / JDK 1.6 on Linux servers. During very high load we are seeing Out of Memory Error and it seems like related to the JBoss remoting. 

   We took a heap dump and the Memory Analyzer shows the below instance is taking 25% of the memory:

One instance of *"org.jboss.mx.server.MBeanServerImpl"* loaded by *"org.jboss.classloader.spi.base.BaseClassLoader @ 0x415b2fc8"* occupies *65,055,032 (24.64%)* bytes. The memory is accumulated in one instance of *"EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry[]"* loaded by *"org.jboss.bootstrap.NoAnnotationURLClassLoader @ 0x42f8ba78"*.

  The details which is pointing ot the JBoss remoting classes:

Class Name                                                                                                                                                Shallow Heap Retained Heap 
1. EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry[2048]  Shallow Heap => 8,208    Retained Heap => 45,693,888 
   EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap   Shallow Heap => 56      Retained Heap => 45,761,640 
      EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry Shallow Heap => 24                Retained Heap => 45,761,688 
          EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry[64] Shallow Heap => 272                Retained Heap => 64,584,776 
             EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap Shallow Heap => 56                Retained Heap => 64,621,408 
                  org.jboss.mx.server.registry.BasicMBeanRegistry Shallow Heap =>  48      Retained Heap => 64,621,680 
                      org.jboss.mx.server.MBeanServerImpl Shallow Heap => 24       Retained Heap => 65,055,032 
                          com.arjuna.ats.internal.jbossatx.agent.LocalJBossAgentImpl 
                         java.lang.Thread @ 0x42135bb8 Signal Dispatcher Native Stack, Thread 
                         org.jboss.invocation.pooled.server.PooledInvokerHA 
                         org.jboss.invocation.pooled.server.PooledInvoker 
         org.jboss.remoting.transport.bisocket.BisocketServerInvoker 
                       org.jboss.remoting.transport.socket.SocketServerInvoker 


  Any thoughts on this please?

Thanks
Anil Mathew
--------------------------------------------------------------

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