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From Kito Mann <kito.m...@virtua.com>
Subject Re: Performance params
Date Fri, 01 Nov 2013 02:19:24 GMT
Thanks for the clarification, Leonardo.

___

Kito D. Mann | @kito99 | Author, JSF in Action
Virtua, Inc. | http://www.virtua.com | JSF/Java EE training and consulting
http://www.JSFCentral.com | @jsfcentral
+1 203-998-0403

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On Thu, Oct 31, 2013 at 7:24 PM, Leonardo Uribe <lu4242@gmail.com> wrote:

> Hi Kito
>
> 2013/10/31 Kito Mann <kito.mann@virtua.com>
>
> > Hello everyone,
> >
> > I have a couple of questions about performance parameters:
> >
> > · org.apache.myfaces.SUPPORT_JSP_AND_FACES_EL
> >
> > How significant is the performance improvement for a Facelet page if this
> > is turned off?
> >
> >
> This param avoids execute JSF 1.0 EL code, and disable jsp vdl, so EL
> expressions runs faster. The effect in performance is small but noticeable.
>
>
> > · org.apache.myfaces.VIEW_UNIQUE_IDS_CACHE_ENABLED
> >
> > If I understand this correctly, this is only useful after a specific user
> > has already reached the maximum number of views stored in the session, or
> > am I missing something?
> >
> >
> This flag enables ids storage at facelet handler level. The effect is it
> increase
> the size of the compiled facelet in memory (because all generated ids for
> the compiled facelet are stored in that level) but it gives a significant
> performance
> improvement in both memory and speed. In 2.1.x/2.0.x it is disabled by
> default,
> but in 2.2.x the idea is enable it by default, because there are no side
> effects,
> and the current code has been well tested.
>
> regards,
>
> Leonardo Uribe
>
> ___
> >
> > Kito D. Mann | @kito99 | Author, JSF in Action
> > Virtua, Inc. | http://www.virtua.com | JSF/Java EE training and
> consulting
> > http://www.JSFCentral.com | @jsfcentral
> > +1 203-998-0403
> >
> > * Listen to the Enterprise Java Newscast:
> > *http://w<http://blogs.jsfcentral.com/JSFNewscast/>
> > ww.enterprisejavanews.com*
> > * JSFCentral Interviews Podcast:
> > http://www.jsfcentral.com/resources/jsfcentralpodcasts/
> > * Sign up for the JSFCentral Newsletter:
> > http://oi.vresp.com/?fid=ac048d0e17
> >
>

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