Re: [seam-dev] Seam Startup Performance
Folks, what if we step back and fix the CORE of this disaster?
Lets not pickup non CDI scope annotated beans as @Dependent automatically anymore!
We could automatically enable this feature if we detect a version="1.1" in
beans.xml. This way we can keep backward compatibility
LieGrue,
strub
--- On Fri, 7/8/11, Dan Allen <dan.j.allen(a)gmail.com> wrote:
From: Dan Allen <dan.j.allen(a)gmail.com>
Subject: Re: [seam-dev] Seam Startup Performance
To: "Stuart Douglas" <stuart.w.douglas(a)gmail.com>
Cc: "Seam Dev List" <seam-dev(a)lists.jboss.org>
Date: Friday, July 8, 2011, 11:45 PM
On Fri, Jul 8, 2011 at 19:27, Stuart Douglas <stuart.w.douglas(a)gmail.com> wrote:
Hi Guys,
I was just looking at the startup performance of the Seam 3 booking example on AS7, and I
noticed that because the Seam 2 archives that it deploys are bean archives, it actually
wastes quite a lot of time on startup registering Seam 3 classes as CDI beans that are
never used.
It occurred to me that we can get around this by using a beans.xml that includes welds
<scan> extension in beans.xml to prevent uneeded beans being registered we could
significantly improve the performance and memory usage of Seam 3 apps.
Now that the ridiculous visibility and extensions in non-bean archive problems are
resolved, I'm in favor of switching back to registering beans manually rather than
using beans.xml. That seems like a performance enhancement that's portable, so that we
don't suck if Weld isn't the provider.
But I agree we should do one of the two options. We'll be moving tests around in Seam
to align the setup, so it seems like a good time to run tests with the updated bean
registration strategy.
-Dan
--
Dan AllenPrincipal Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597
http://www.google.com/profiles/dan.j.allen#about
http://mojavelinux.com
http://mojavelinux.com/seaminaction
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