Thanks Robert. I think I'll try running some
benchmarks this week and post the results. I wonder..
is there a way for and EJB->EJB to be _forced_ to
go through RMI? i.e. can I turn this optimization
off?
-tim
> -----Original Message-----
> From: Robert Krueger [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, November 14, 2000 1:36 PM
> To: Orion-Interest
> Subject: RE: EJB Performance Question.
>
>
> At 12:06 14.11.00 , you wrote:
> > > At 10:03 14.11.00 , you wrote:
> > > >Every single one of those calls to dir.getXXX() has to go across
> > > >the network via RMI. This is slow. You are better off using a
> > >
> > > well, with orion this is intra-vm so its not that bad ...
> >
> >Is there proof that Orion does this? I'm not trying to be a jerk,
> >but I'd like to see some numbers on how long a set/get takes for
> >a client-to-ejb call and an ejb-to-ejb (same vm) call.
>
> do a getClass().getName() on your ejbobject. will be the same
> wrapper class
> that implements the ejbobject (if you look into the generate
> code that's
> temporarily there on deployment).
>
> anyway, I've never benchmarked but it is orders of magnitude
> faster than
> any rmi stack I've seen. I think there's even an old mail in
> the archive
> from karl that confirms this otiomization because it was one
> of the first
> things I asked (must at least be 10 months ago now).
>
> regards,
>
> robert
>
> >Not even Weblogic optimizes to pass-by-value for intra-vm ejb
> >
> >calls. You have to use TopLink to get that optimization.
> >Funny though, Weblogic provides a tag in their deployment
> >description but it doesn't do anything.
> >
> >-tim
>
> (-) Robert Krüger
> (-) SIGNAL 7 Gesellschaft für Informationstechnologie mbH
> (-) Brüder-Knauß-Str. 79 - 64285 Darmstadt,
> (-) Tel: 06151 665401, Fax: 06151 665373
> (-) [EMAIL PROTECTED], www.signal7.de
>
>