If the performance hit comes in an initial JSP call, then it is the
one-time JSP page compilation overhead. This is not a problem for a live
site. Subsequent page fetches are what's important.
Fred Loney
Spirited Software, Inc.
www.spiritedsw.com
----- Original Message -----
From: "Frank Morton" <[EMAIL PROTECTED]>
To: "Fred Loney" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Thursday, October 25, 2001 5:25 AM
Subject: Re: [JBoss-user] performance problem
> > What is Profile? An EJBObject? Where did the profile object come
from?
>
> Profile is an EJBObject. It was instantiated in the first place with
> the findAll() finder method. I stuff the resulting Collection in
> the session (is this the best way to do it?) which is then retrieved
> from the session by the jsp. It is on the jsp that accessing the
> fields is incredibly slow.
>
> > ejbPassivate() is called at the discretion of the JBoss container,
not
> > necessarily when a task is completed. An EB is passivated when it is
> > swapped out of the instance pool. If there are only a few EBs, it is
> > unlikely to be passivated right away.
> >
> > > Still a newbie, but making progress thanks to the list....
> > >
> > > I'm using a servlet that processes forms, puts the necessary
> > > results in the session and redirects to a jsp page. Working
> > > pretty well, but the display of the jsp page is very slow.
> > >
> > > Poking around, I found out something that probably has an
> > > easy resolution, but I don't know what it is.
> > >
> > > In the session is a Collection of Profile objects. Boiling it
> > > down, the assignment to the "homeId" in the code below can
> > > take as long as a full second! What is going on here? Given
> > > a Collection called "nameList" and an int with the size of the
> > > list named "nameListSize":
> > >
> > > for(int k=0;k<nameListSize;++k) {
> > > Long homeId = profile.getId(); // takes one full second!
> > > }
> > >
> > > The "id" is the primary key for the CMP entity bean of
> > > type "Long." I assume since the servlet is "finished" that
> > > passivate() is being called, so accessing the bean is
> > > causing it to not only go back to the database, but to
> > > do other stuff, too.
> > >
> > > What do I do about this? Thanks.
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
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> > >
> >
> >
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>
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