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From "Leon Rosenberg" <rosenberg.l...@googlemail.com>
Subject Re: Performace problem when invoking RMI call from Tomcat Servlet
Date Thu, 07 Feb 2008 08:54:43 GMT
Barak,

can you extract a use case so we can try it at home? :-)
I'm really interested, since i'm switching some services from corba to
rmi right now.

thanx
leon

On Feb 6, 2008 8:36 PM, Barak Yaish <barak@peer39.com> wrote:
> The first request takes much longer (~100 ms) the than the other requests
> (~25-30 ms), but still, the duration of the method running on H2 is only 5
> ms.
>
> Again, invoking the method remotely by junit gives 10 ms. Is there something
> I'm doing wrong?
>
> In addition, when accessing the servlet more than one concurrent request,
> the times of invocation getting worse, while the duration of the method its
> keeps being ~5 ms...
>
> -----Original Message-----
> From: Leon Rosenberg [mailto:rosenberg.leon@googlemail.com]
> Sent: Wednesday, February 06, 2008 9:25 PM
> To: Tomcat Users List
> Subject: Re: Performace problem when invoking RMI call from Tomcat Servlet
>
>
> is it only the first request that lasts longer, or each request?
>
> regards
> leon
>
> On Feb 6, 2008 7:01 PM, Barak Yaish <barak@peer39.com> wrote:
> > Hello all,
> >
> >
> >
> > I'm running a Servlet under Tomcat 5.5.23 (CentOS 5), reside on host H1.
> > This servlet invokes a RMI method ( f() ) on an object found on remote
> host
> > (H2). The duration of f() when running on H1 is about 5 ms.
> >
> > Somehow, the duration of the invocation in the servlet is about 30ms.
> > Invoking the remote method by Junit from the same machine the servlet
> > resides on (H1), gave result of about 10ms, which I guess include the
> > latency of the network itself.
> >
> > Can someone help me please with any direction how can I track down the
> > problem? Any configuration issue I missed?
> >
> >
> >
> > Thanks,
> >
> >
> >
> > Barak.
> >
> >
>
>
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