The “slow” rendering of the table you are seeing is the new way that
Woodstock components work, with Dojo. They do a full page render with a
bunch of spans and divs that have javascript on them (not your actual
components), and after the entire page is loaded, all that javascript is
invoked and your components are dynamically created by javascript and added
to the DOM.
For the table, you see a “flicker” because the table is initially drawn
empty while the page is loading, and then all the javascript is invoked to
fill all the table cells.
We have seen perf problems on specific components such as the calendar, but
much of what you describe can be avoided by changing that rendering behavior
with the attributes on the webuijsf:head tag. Specifically, look at
dijitAll, jsfx, parseOnLoad, webuiAll, webuiJsfx and webuiOnLoad. By
changing some of these, you can change the loading behavior of the page and
significantly improve the visual performance.
I say visual performance, because technically the way it is by default is
roughly the same speed, but you see an empty page render quicker, and then
get filled in… as opposed to changing these attributes to make the page load
flat.
Alex Sherwin
alex.sherwin_at_acadiasoft.com
From: Peter Magsam [mailto:magsam_at_ka-und-we.de]
Sent: Friday, August 08, 2008 5:24 AM
To: users_at_woodstock.dev.java.net
Subject: AW: RE: Page Rendering Slow on IE 6/7
Hello,
I have got thee same problem with woodstock component table. They
performance is extreme slow. You can watch how slow a table expands. I use
6.1 with Glassfish and mysql. In 5.5.1all worked very fine. In 6.1 it seems
the performance of some woodstock components is the weak point. I asked the
woodstock mailing list for help. No answer. I will open an issue.
With the slow performance we cannot use 6.1. It is pity.
Regards
Peter
-----Ursprüngliche Nachricht-----
Von: Vijaya Bhaskar Tsaliki [mailto:vijayabhaskar.t_at_sonata-software.com]
Gesendet: Donnerstag, 7. August 2008 15:38
An: users_at_woodstock.dev.java.net
Betreff: RE: RE: Page Rendering Slow on IE 6/7
It is not only with the Calendars. It is slow when compared to Firefox.
In my screen I have around 10 listboxes and 2 calendars. Even If I remove
all calendar components, IE is taking 10secs more than Firefox.
It has nothing to do at server end. I am helpless…. Any workarounds?
Regards,
Vijay
_____
From: Alex Sherwin [mailto:alex.sherwin_at_acadiasoft.com]
Sent: Thursday, August 07, 2008 6:52 PM
To: users_at_woodstock.dev.java.net
Subject: RE: Page Rendering Slow on IE 6/7
Performance of calendars is so slow in IE6 (IE7 is fine), that I can’t use
more then one on a page.
Alex Sherwin
alex.sherwin_at_acadiasoft.com
From: Vijaya Bhaskar Tsaliki [mailto:vijayabhaskar.t_at_sonata-software.com]
Sent: Thursday, August 07, 2008 6:48 AM
To: users_at_woodstock.dev.java.net
Cc: M.R. Venkatesh Babu
Subject: RE: Page Rendering Slow on IE 6/7
Hi, Thanks for the response.
It is not only the problem with Calendar. It is the problem with lists as
well. Unfortunately I have list boxes. Not dropdowns… I needed show the data
on page launch.
Other interesting problem is, even with AJAX lazy loading, it is taking a
while to refresh a particular list with 500 items in it.
Component refresh is also a problem with IE. Am I missing something?
Regards,
Vijay
_____
From: M.R. Venkatesh Babu [mailto:venkateshbabu.mr_at_gmail.com]
Sent: Thursday, August 07, 2008 3:59 PM
To: users_at_woodstock.dev.java.net; Vijaya Bhaskar Tsaliki
Subject: Re: Page Rendering Slow on IE 6/7
I am not sure whether the calendar or the drop down that is causing the
problem. There is a known issue with the calendar on IE. Try seeing if
removing the calendar from the page makes the situation any better. If not,
try populating contents in the drop down lazily.. something like whenever
the drop down receives focus, then try sending an ajax request and fetch
data for the particular drop down and see whether that solves the problem.
-Venky
On Thu, Aug 7, 2008 at 3:49 PM, Vijaya Bhaskar Tsaliki
<vijayabhaskar.t_at_sonata-software.com> wrote:
Hi Guys,
I am facing a problem on page rendering on Internet Explorer - hangs for
10 to 15 seconds. I do not have any problem in Firefox.
My JSF page has two calendar components and 10 list boxes with 500 items
in each listbox.
Has anyone faced this problem. Is there any WORKAROUND for it. My client
really needs it on IE.
I am using Netbeans 6.1 with Jboss 4.3
Regards,
Vijay
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