Nope, I haven't had a chance to look at it. Although, right now, I'm in the
JNDI code, I can probably investigate it.
Bill
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Jason
> Dillon
> Sent: Thursday, August 16, 2001 12:23 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [JBoss-dev] new: entity instance per transaction
> interceptors and locks
>
>
> Was this ever resolved?
>
> --jason
>
>
> On Sun, 12 Aug 2001, Scott M Stark wrote:
>
> > 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
> > >
> > >
> >
> >
>
>
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