Re: [JBoss-user] Load-Balancing Problems

Hi Sacha,

Apologies if I am confusing things. I have a Stateless Session EJB
declared now as
<clustered>true</clustered>.
The code I am running is the following:

TestHome testHome = (TestHome) javax.rmi.PortableRemoteObject.narrow(
ctx.lookup("EJB/Session/Test"),
TestHome.class);

Test test = testHome.create();
System.out.println("Hello: " + test.hello());
for(int i = 0; i < 200; i++)
{
Integer myPrime = test.getPrimeAtPosition(i);
System.out.println("Thread " + Thread.currentThread().getName() +
":\tPrime @ position "+ i +": " + myPrime);
}

And all the calls get sent to the same member.

Any idea?

Thanks

Simone
----- Original Message -----
From: "Sacha Labourey" <sacha.labourey@(protected)>
To: <jboss-user@(protected)>
Sent: Thursday, August 14, 2003 5:07 PM
Subject: RE: [JBoss-user] Load-Balancing Problems

What kind of EJB is that?

> -----Original Message-----
> From: jboss-user-admin@(protected)
> [mailto:jboss-user-admin@(protected)
> Simone Milani
> Sent: jeudi, 14. aoï¿½t 2003 16:52
> To: jboss-user@(protected)
> Subject: Re: [JBoss-user] Load-Balancing Problems
>
>
> Hi,
>
> I use 3.2.2RC2 and the default config for round robin.
> to have the call
> span the whole cluster in round robin I need to lookup the
> home every time
> which is not very efficient. I would like to do the lookup
> and the create
> only one and do round robin after that. Is it possible?
>
> Thanks!
>
> Simone
> ----- Original Message -----
> From: "Sacha Labourey" <sacha.labourey@(protected)>
> To: <jboss-user@(protected)>
> Sent: Wednesday, August 13, 2003 8:28 AM
> Subject: RE: [JBoss-user] Load-Balancing Problems
>
>
> Then that is very strange as with 3.2.x you should be able to
> re-create your
> home/remote and keep balancing correctly.
>
> > -----Original Message-----
> > From: jboss-user-admin@(protected)
> > [mailto:jboss-user-admin@(protected)
> > Christofer Dutz
> > Sent: mercredi, 13. aoï¿½t 2003 00:18
> > To: jboss-user@(protected)
> > Subject: Re: [JBoss-user] Load-Balancing Problems
> >
> >
> > I am using 3.2.2RC2 ...
> >
> > Chris
> >
> > Sacha Labourey wrote:
> >
> > >... Or use 3.2.x which removes this issue.
> > >
> > >
> > >
> > >>-----Original Message-----
> > >>From: jboss-user-admin@(protected)
> > >>[mailto:jboss-user-admin@(protected)
> > >>Adrian Brock
> > >>Sent: mardi, 12 aoï¿½t 2003 17:50
> > >>To: jboss-user@(protected)
> > >>Subject: Re: [JBoss-user] Load-Balancing Problems
> > >>
> > >>
> > >>You are probably doing sessionHome.create() on every request?
> > >>
> > >>This creates a new remote interface proxy, which will
> > >>round-robin all servers. However if you only do one
> > >>invocation it will always use the first server and never get
> > >>to the others.
> > >>
> > >>You can get similar problems with other patterns in your
> > >>RemoteInterface usage depending upon how many servers you have.
> > >>
> > >>One simple solution is to use RandomRobin rather than
> > >>RoundRobin as the load balancing policy.
> > >>
> > >>Regards,
> > >>Adrian
> > >>
> > >>On Tue, 2003-08-12 at 10:41, Christofer Dutz wrote:
> > >>
> > >>
> > >>>Hi,
> > >>>
> > >>>I am having some Problems with load-balancing in JBoss.
> > >>>All Beans are set to use the RoundRobin Load-Balancing
> > strategy and
> > >>>the
> > >>>cluster seems to work like a charm.
> > >>>I setup the HA-JNDI to work on Port 1100 and setup the
> > >>>
> > >>>
> > >>client to use
> > >>
> > >>
> > >>>this port. Everything seems to work fine, except one thing.
> > >>>If I watch the load of the cluster-machines with "top" I
> > >>>
> > >>>
> > >>can see the
> > >>
> > >>
> > >>>machine that is directly accessed by the Client-Application
> > >>>has a load of 100% the other cluster nodes then are only
> > >>>
> > >>>
> > >>30%. Mabe I'm
> > >>
> > >>
> > >>>wrong, but I think that it could be, that the client proxy
> > >>>is doing no load-balancing at all and that the 30% are just
> > >>>
> > >>>
> > >>for syncing.
> > >>
> > >>
> > >>>Any Ideas of how I could balance the load over all nodes?
> > >>>Any help is realy appreciated.
> > >>>
> > >>>Christofer Dutz
> > >>>
> > >>>
> > >>>
> > >>>
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Re: [JBoss-user] Load-Balancing Problems

Simone Milani

2003-08-15