Apc settings : http://www.php.net/manual/en/apc.configuration.php#ini.apc.stat
Then you should install xhprof to find the bottleneck. On Tue, Nov 16, 2010 at 6:17 PM, Remi <remi.alv...@gmail.com> wrote: > -> we don't use any .htaccess file : everything goes directly to an > "httpd.conf" > -> we don't use ORM since we don't use databases : only Webservices > -> how can I be sure that APC is well configured ? Do I have a way to > easily check if APC is working well ? > -> from what I heard, memcache and APC are not such different one from > another in term of performances. Was it a crapy advice ? We are > already using APC for the few objects we can store on cache. > -> I thought that Symfony 2 was absolutly not ready for production > environment ? Can we expect a huge performance increase (or decrease > depending the side you are :) ) ? > > On Nov 16, 4:56 pm, pghoratiu <pghora...@gmail.com> wrote: > > Some other suggestions: > > - avoid .htaccess - move rewrite rules in the Apache configuration. > > - avoid the ORM - if you do access the database use plain SQL to > > manipulate the data. > > - make sure APC is configured correctly (so that it caches large PHP > > files, such as the ones generated by the routing). > > - try memcache for data frequently accessed > > - move to symfony2 - if the framework is only a shim layer over the > > actual data source you could use symfony2 > > > > gabriel > > > > On Nov 16, 11:36 am, Remi <remi.alv...@gmail.com> wrote: > > > > > Hi, > > > > > I'm working on a Symfony project for the past 11 months. The project > > > is basically to throw away the old FrontEnd of a well-known shopping > > > comparator, written in java and to replace it with a brand new > > > frontend written in PHP with a Service Oriented Architecture (SOA). > > > Our high-level architecture is to have a light-weighted frontend in > > > PHP (using Symfony 1.4) and a WebService Aggregator written in Java > > > (Jersey framework) to ensure all call to underlined webservices are > > > done in parallal. This aggregator is extremly performant : it handles > > > more than 200 Queries Per Second (QPS). > > > > > Our main issue is more about the PHP frontend. Despite all our > > > efforts, we can't handle more than 15 QPS on each server. Just to give > > > you an idea, here are a few key informations about our achitecture : > > > > > * 6 Servers with 4 physical cores (8 with HyperThreading enabled) > > > and 24GB of RAM > > > * Using Symfony 1.4.1 with PHP 5.2.10 > > > * No database access : all datas are fetched using WebServices > > > * Centos 5.4 Final 64 bits > > > * Apache 2.2.3 > > > * APC cache enabled > > > * using SimpleXml to read XML feeds (300 nodes tops) coming from > > > our WebServices > > > * using mod_php > > > * PHP memory limit is set to 128M in our production servers (we > > > noticed lots of performances issues with only 32M or even 64M) > > > > > Our FrontEnd does not handle complex algorithm. Basically, it get its > > > data from some High Performances webservices (all internal), read the > > > request, render the page and log some usefull data (access logs using > > > Apache and some custom logs for our business). Everything is monitored > > > closely and the bottleneck seems to come from CPU usage which reach > > > 100% pretty often. > > > We tried a few things : > > > > > * Using Apache FastCGI (quite complicated on Centos5.4 since we > > > have to re-compile it) : slight increase but is not worth all the > > > trouble it causes on our company architecture. Nevertheless, it seems > > > that we did some configuration mistakes and we need to bench it again. > > > * Caching a few modules : header, footer, ads, ... > > > * Replacing Apache by NGix : no change at all > > > > > For the moment, our average server time exceed 1 second which is > > > really bad compared to our old Java-based website (300-400 ms) and we > > > didn't have rollouted all supported pages or even all our countries > > > (we expect to double the number of connection by activating all > > > remaining countries). > > > Do you have any idea on how we could increase our performances ? Do we > > > need to directly contact SensioLabs to negociate some contractor time > > > (maybe a Symfony Guru ?) ? > > > Do you know some tools that can help us to profile our application in > > > production environment ? We've already tried XDebug on developer > > > workstations but we don't have the same exact behavior in production. > > > What I'd like to test is to (manually) instrumentate our source code > > > to add some timers around some potentially costly algorithms. So you > > > know any tool that could help us to do that ? > > > > > I already have created a topic on Symfony forum : > http://forum.symfony-project.org/viewtopic.php?f=3&t=30853&p=108430#p... > > > > > Thanks. > > -- > 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<symfony-users%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/symfony-users?hl=en > -- Thomas Rabaix http://rabaix.net -- 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. 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