It might be trying to recover its naming context, instead of using the
default.  AbstractHandle.createInitialContext() probably has an
InitialContextHandle and using it instead of new InitialContext().

Just a guess... could be completly off.

--jason


On Mon, 13 Aug 2001, Bill Burke wrote:

> Take a look at EntityMultiInstanceInterceptor.invoke().  That's where it's
> being created.  I'm a bit confused why all this marshalling is happening
> between JNDI and the app server.  Aren't they within the same JVM?
>
> Thanks for looking,
>
> Bill
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Scott
> > M Stark
> > Sent: Sunday, August 12, 2001 10:43 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [JBoss-dev] new: entity instance per transaction
> > interceptors and locks
> >
> >
> > The profile shows two traces from
> > org.jboss.ejb.plugins.jrmp.interfaces.EntityHandleImpl.getEJBObject()
> > into JNDI. The first takes 1600 ms, the second 100 ms. The only
> > difference between the two calls
> > is the order in which NamingContext.checkRef() is called. How is the
> > entity being created?
> >
> > Bill Burke wrote:
> >
> > >I've made a first stab at implementing multiple instances.  That is an
> > >entity instance per transaction and no shared entity instances between
> > >transactions.  This code may be naive, but it seems to pass locktest,
> > >banktest, and the mbean(threads) test.  It will only work with
> > commit option
> > >B and C and will throw an exception if you try to run it with
> > commit option
> > >A.
> > >
> > >The weird thing is is that locktest runs much slower with multi instance
> > >than with regular when I thought it would run much faster.
> > Attached is the
> > >Optimizeit output if anyone is interested.  It seems to slow
> > down trying to
> > >getEJBHome in loadEntity?
> > >
> > >So, what are the benefits of this checkin?  I thought it would increase
> > >performance/throughput for commit options B and C since beans
> > are not locked
> > >into a transaction.
> > >
> > >To try it out:
> > >
> > >in standardjboss.xml,  replace
> > >
> > >EntityInstanceInterceptor with EntityMultiInstanceInterceptor
> > >EntitySynchronizationInterceptor with
> > >EntityMultiInstanceSynchronizationInterceptor
> > >
> > >your lock-policy should be MethodOnlyEJBLock.
> > >
> > >Look at jbosstest/src/resources/lock/META-INF/jboss.xml for configuration
> > >examples.  EntityBean_B_Multi
> > >
> > >
> > >Regards,
> > >
> > >Bill
> > >
> > >
> > > ------------------------------------------------------------------------
> > >
> > >
> > >       Profiler output and hot spots for thread RMI TCP
> > >       Connection(271)-192.168.0.152 . application org.jboss.Main (CPU
> > >       profiler output - Sampler / Methods)
> > >
> > >
> > >         Backtrace
> > >
> > > <caller.gif>  Description of CPU usage for thread RMI TCP
> > > Connection(271)-192.168.0.152
> > >      <caller.gif>  100.0% - 5862 ms - java.lang.Thread.run()
> > >          <caller.gif>  100.0% - 5862 ms -
> > > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run()
> > >              <caller.gif>  100.0% - 5862 ms -
> > > sun.rmi.transport.tcp.TCPTransport.handleMessages()
> > >                  <caller.gif>  64.48% - 3780 ms -
> > > sun.rmi.transport.Transport.serviceCall()
> > >                      <caller.gif>  64.48% - 3780 ms -
> > > java.security.AccessController.doPrivileged()
> > >                          <caller.gif>  64.48% - 3780 ms -
> > > sun.rmi.transport.Transport$1.run()
> > >                              <caller.gif>  64.48% - 3780 ms -
> > > sun.rmi.server.UnicastServerRef.dispatch()
> > >                                  <caller.gif>  63.59% - 3728 ms -
> > > java.lang.reflect.Method.invoke()
> > >                                      <time.gif>  63.59% - 3728 ms -
> > > org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke()
> > >                                          <caller.gif>  61.87% - 3627
> > > ms - org.jboss.ejb.EntityContainer.invoke()
> > >                                              <caller.gif>  61.87% -
> > > 3627 ms - org.jboss.ejb.plugins.LogInterceptor.invoke()
> > >                                                  <caller.gif>  61.87%
> > > - 3627 ms - org.jboss.ejb.plugins.SecurityInterceptor.invoke()
> > >                                                      <caller.gif>
> > >  61.87% - 3627 ms - org.jboss.ejb.plugins.TxInterceptorCMT.invoke()
> > >                                                          <caller.gif>
> > >  61.87% - 3627 ms -
> > > org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions()
> > >
> > > <caller.gif>  32.13% - 1884 ms - org.jboss.tm.TransactionImpl.commit()
> > >
> > > <caller.gif>  29.73% - 1743 ms -
> > > org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext()
> > >
> > > <caller.gif>  29.73% - 1743 ms -
> > > org.jboss.ejb.plugins.EntityLockInterceptor.invoke()
> > >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.EntityMultiInstanceInterceptor.invoke()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.JAWSPersistenceManager.loadEntity()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.execute()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.jdbcExecute()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > >
> > org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand.executeStatementA
> > ndHandleResult()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.handleResult()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.loadOneEntity()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.getResultObject()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.getResultObject()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.EntityHandleImpl.getEJBObject()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.AbstractHandle.getEJBObject()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.AbstractHandle.lookupEJBHome()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms - javax.naming.InitialContext.lookup()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > org.jnp.interfaces.NamingContext.lookup()
> > >
> >
> > > <caller.gif>  28.02% - 1643 ms -
> > org.jnp.interfaces.NamingContext.lookup()
> > >
> >
> > > <caller.gif>  24.36% - 1428 ms -
> > org.jnp.server.NamingServer_Stub.lookup()
> > >
> >
> > > <caller.gif>  3.01% - 177 ms -
> > org.jnp.interfaces.NamingContext.checkRef()
> > >
> >
> > > <caller.gif>  0.64% - 38 ms - java.rmi.MarshalledObject.get()
> > >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.JAWSPersistenceManager.loadEntity()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.execute()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.jdbcExecute()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > >
> > org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand.executeStatementA
> > ndHandleResult()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.handleResult()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.loadOneEntity()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.getResultObject()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.getResultObject()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.EntityHandleImpl.getEJBObject()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.AbstractHandle.getEJBObject()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms -
> > > org.jboss.ejb.plugins.jrmp.interfaces.AbstractHandle.lookupEJBHome()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms - javax.naming.InitialContext.lookup()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms - org.jnp.interfaces.NamingContext.lookup()
> > >
> >
> > > <caller.gif>  1.7% - 100 ms - org.jnp.interfaces.NamingContext.lookup()
> > >
> >
> > > <caller.gif>  1.26% - 74 ms -
> > org.jnp.interfaces.NamingContext.checkRef()
> > >
> >
> > > <caller.gif>  0.32% - 19 ms - org.jnp.server.NamingServer_Stub.lookup()
> > >
> >
> > > <caller.gif>  0.11% - 7 ms - java.rmi.MarshalledObject.get()
> > >                                          <caller.gif>  1.6% - 94 ms -
> > > java.rmi.MarshalledObject.get()
> > >                                  <caller.gif>  0.73% - 43 ms -
> > > sun.rmi.server.UnicastRef.unmarshalValue()
> > >                                  <caller.gif>  0.15% - 9 ms -
> > > sun.rmi.server.UnicastRef.marshalValue()
> > >                  <caller.gif>  35.51% - 2082 ms -
> > > java.io.FilterInputStream.read()
> > >
> > >
> > >         Hot spots
> > >
> > > Name Percentage Time
> > > java.net.SocketInputStream.socketRead 65.91 3864 ms
> > > java.lang.StringBuffer.expandCapacity 28.26 1657 ms
> > > java.net.SocketOutputStream.socketWrite 3.1 182 ms
> > > java.io.ObjectInputStream.readUTF 0.85 50 ms
> > > java.io.ByteArrayInputStream.read 0.75 44 ms
> > > java.lang.StringBuffer.length 0.73 43 ms
> > > java.io.ObjectStreamClass.init 0.15 9 ms
> > > org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke 0.11 7 ms
> > > java.io.ObjectInputStream.skipToEndOfBlockData 0.1 6 ms
> > >
> > > 20 clicks per test 20 untargeted tests
> > >
> > > ------------------------------------------------------------------------
> > >
> > > <cid:[EMAIL PROTECTED]>
> > >
> > > optiprofile2.html
> > >
> > > Content-Type:
> > >
> > > text/html
> > > Content-Encoding:
> > >
> > > quoted-printable
> > >
> > >
> > > ------------------------------------------------------------------------
> > > caller.gif
> > >
> > > Content-Type:
> > >
> > > image/gif
> > > Content-Encoding:
> > >
> > > base64
> > >
> > >
> >
> >
>
>
>
> _______________________________________________
> Jboss-development mailing list
> [EMAIL PROTECTED]
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>




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