On 2010-11-15, at 7:09 PM, Ian Joyner wrote: > (Not that I'm doing any WO these days, but I still like to follow.) > > One thing that has always worried me about scalability is keeping the per > user "application state" on the server in WOSession. Knowing more about REST > now, this is very unrestful and not stateless, which means will not scale.
I don't see why something being unrestful and not stateless automatically equates to not being able to scale. Perhaps you could explain. > How is this problem dealt with these days? WOnder? > > Thanks > Ian > > On 16 Nov 2010, at 03:43, Greg Lappen wrote: > >> Hi everyone, >> >> Based on using WO for the last 7 years, I have observed a couple of things >> that seem to be a performance bottleneck in WebObjects. I know that Apple >> uses WebObjects on a large scale for iTunes and ecommerce, so there must be >> solutions to these. >> >> #1 - Only one thread can be processing at once. I seem to recall that this >> is a limit in EnterpriseObjects but it's been a while. >> >> #2 - EnterpriseObjects caches every object from the database. >> >> With that being said, how can you horizontally scale your application layer? >> If you setup more instances of your app, they each have their own caches, >> which will be out of sync with each other. Is there a commonly used >> framework for doing distributed cache management? And is it possible to >> make your applications multithreaded so page requests can be processed >> concurrently? >> >> Thanks! >> >> Greg >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/ianjoyner%40me.com >> >> This email sent to ianjoy...@me.com > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/dleber_wodev%40codeferous.com > > This email sent to dleber_wo...@codeferous.com ;david -- David LeBer Codeferous Software 'co-def-er-ous' adj. Literally 'code-bearing' site: http://codeferous.com blog: http://davidleber.net profile: http://www.linkedin.com/in/davidleber twitter: http://twitter.com/rebeld -- Toronto Area Cocoa / WebObjects developers group: http://tacow.org _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
