The problem is session write locking. We had the same issue in symfony 1. I don't know how to do this for symfony 2 but I wrote a blog post to deal with it in symfony 1. Perhaps you can just convert this for use with symfony 2:
http://garethmccumskey.blogspot.com/2009/10/php-session-write-locking-and-how-to.html On Wed, Feb 9, 2011 at 1:07 PM, Gabriele Genta <gabriele.ge...@gmail.com>wrote: > Hello, > I'm trying to implement long polling in a Synfony 2 project to shorten > response times in a "real-time" application I'm making. Essentially I have > an ajax front end that requests data to the symfony-driven backend through > XHR. My problem arises when I try to send a second request to the backend > while a first one is on hang for long polling; the second request just get > queued after the first, and doesn't get processed until the first returns. > I've googled a bit about the problem and found out that it could depend on > session files being locked (see here: > http://stackoverflow.com/questions/1430883/simultaneous-requests-to-php-script) > during requests, but getting rid of session files didn't help (my backend is > completely stateless, so it doesn't need sessions at all actually). > Has anyone come across this problems before? I think the problem might have > to do with symfony and caching (setting locks on cache files during > requests, maybe?), but I don't know enough of the guts of symfony itself to > find a solution or a workaround.. > Thanks a lot! > > Gabriele Genta > > -- > If you want to report a vulnerability issue on symfony, please send it to > security at symfony-project.com > > You received this message because you are subscribed to the Google > Groups "symfony users" group. > To post to this group, send email to symfony-users@googlegroups.com > To unsubscribe from this group, send email to > symfony-users+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/symfony-users?hl=en > -- Gareth McCumskey http://garethmccumskey.blogspot.com twitter: @garethmcc identi.ca: @garethmcc -- If you want to report a vulnerability issue on symfony, please send it to security at symfony-project.com You received this message because you are subscribed to the Google Groups "symfony users" group. To post to this group, send email to symfony-users@googlegroups.com To unsubscribe from this group, send email to symfony-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/symfony-users?hl=en
