It looks like you are 1000 times getting that same bookmarkable page for 100 threads?
That page is because of the source code viewer link not stateless so you a creating pages that will go into the sessions.
Now is the question does ab2 work with cookies or not? If not then it does create 100 * 1000 sessions and for all those it creates 1 page...
johan
On 8/9/06,
Sebastjan Trepca <[EMAIL PROTECTED]> wrote:
I used the default resin3pro configuration. I tested it like this:
ab2 -n 1000 -c 100 http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage
It died after eating 100MB of memory and serving 600-800 requests*100 threads. The problem is also that the CPU was on 100%.
This version 2.0 sounds very nice, is it usable yet?
How can I set a page to be stateless in 1.2.1 ? Is there some attribute to do this or does it just mean that you use detachable models?
I would definetly like to handle sessions separately and have all my pages stateless. So forms are saved into sessions or what is the problem with them? They seem very nice though.
Thanks for help.
SebastjanOn 8/9/06, Johan Compagner <[EMAIL PROTECTED]> wrote:I also stress tested the examples quite a lot.
Which part did you test that you get an out of memory? And how much memory did you give your server?
Memory usage can be cut down in several ways:
1> use for heavy hit pages stateless pages (in 1.2 just use bookmarkable links and no forms on it), in 2.0 you have much more choices for working stateless.
2> For none stateless pages, do use detachable models. Make sure that you don't hold large (db) objects in your pages when they are serialized to the http session.
3> Tweak how many of those pages should be in memory. (this depends on how far you want to go with the back button support)
in 2.0 we have a different session store that only keeps 1 page in mem. And the rest is cached and stored to disk.
johanOn 8/9/06, Sebastjan Trepca < [EMAIL PROTECTED]> wrote:Hi all!
We're starting a new project that will be quite big (1-2 million users) so now I'm choosing a web framework to use.
It seems that Wicket is a very good framework but what worries me is the performance and scalability. I installed wicket-examples on my machine and stress-tested them a bit, just for curiosity, and always got OutOfMemory error which didn't look very promising. Then I read about detached models and created a project using them and it didn't crash anymore, but still, memory was quite high.
Now I searched thru wiki and didn't find any other tips about performance etc.
So, do you have any tips for me, on design level or maybe links to other docs, whatever really :)
Thank you, Sebastjan
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