High Performance

This group is dedicated to solutions and approaches for high traffic, high performing Drupal sites. As such, it will deal with a lot of information around the rest of a typical Drupal "stack" -- the operating system, web server, database, and PHP tweaks that combine to support the Drupal application.

This is not a support channel or a place to post bug reports.

If you think you have found a bug, use the issue queue for the appropriate project.

If you need support, see http://drupal.org/support for options.

Case Study or Statistics for Drupal on LAMP vs Windows-based stack?

Posted by caschbre on June 16, 2011 at 10:25pm

Has anyone performed any tests or know of a case study, etc. that would show how Drupal performs on a LAMP (or similar) stack vs a Windows based stack?

Or are there key elements in a typical high performance architecture that only runs on one stack or the other?

More number of Feature export modules causing performance problems

Posted by pflame on June 16, 2011 at 4:01pm

I am doing performance optimization for a project. This project has total 269 modules, in this 181 are contributed modules, 56 are the features/panels export module. Remaining are the custom developed modules.

With these many number of modules enabled, the apache process is taking memory of around 189 - 250 MB of RAM.

Health Check Script?

Posted by jmccaffrey on June 12, 2011 at 6:17am

Does anyone have a good health check script that they use for load balancers to determine the health of a node? This would be something that would simply give the load balancer a true or false response. If fasle was returned, the load balancer would remove the un-healthy node.

Views PHP Distinct

Posted by mikeytown2 on June 8, 2011 at 11:03pm

Been doing some slow query debugging and GROUP BY/DISTINCT has turned one of my views from taking 0.0049 seconds to 1.7768 seconds. This view also has LIMIT 0, 1 slapped at the end of it, so MySQL could be smarter about this. But in the mean time I could use PHP to do the Group By/Distinct logic. Has someone done this before?

Master - Slave Solution

Posted by ay4you on June 8, 2011 at 7:30am

Hi,
Please bear with me if i am creating this question in the wrong place i am new to Drupal groups.
I manage an enterprise solution for 4 drupal sites very high transactional and with high traffic.
i use pressflow on 6 web servers with memcached and a master slave replication, they seem to be fine but i want to reduce the load on the master so i want to make 2 slave part of the solution, since i am using pressflow with supports master-slave replication solution.

Varnish <3 Release Parties Worldwide on June 16 2011

Posted by huayra on June 7, 2011 at 9:43pm

Start:

2011-06-15 16:00 - 2011-06-17 23:55 UTC

Organizers:

huayra

SqyD

Event type:

Related event (ie. not Drupal specific)

Hi everyone,

First thank you for the great software Drupal is and specially to the Drupal 7 Release Party team (in which this community website is based) and Varnish Cache users in this community that make the web a better place for us all :-)

So now I'm letting you know that you can find a party near you to celebrate the release of Varnish Cache 3.0 or organize your own (Drupalistas know how to party, right?) in this site (registration is also possible there):

* http://v3party.varnish-cache.org/

Only local images are allowed.

reverse proxy

Posted by gerold on June 3, 2011 at 6:42pm

we have a high-trafficked d6 site and we subscribed to third-party service to handle malicious traffics. this third-party service functions as our reverse proxy and cdn which runs nginx. is there a need for us to enable d6 reverse proxy setting or not? if there is, do we need to apply a d6 patch (http://drupal.org/node/466444) for reverse proxy? any known issue with nginx as reverse proxy?

Thanks!

Disabling page caching for anonymous visitors who have JavaScript disabled

Posted by neilt17 on May 29, 2011 at 4:30pm

Our site (http://en.commtap.org), uses a fair amount of JavaScript to modify how its pages are presented according to a visitor's preferences. Unfortunately it appears that a significant number of our visitors don't have JavaScript enabled in their browsers - and do not have the means to enable it - these computers are in primary schools. In this case, the alternative would be for a visitor's preferences to be processed server side when the page is being created in Drupal. This would mean that we would have to turn page caching off, slowing down the delivery of pages for everyone.

Windows optimisation

Posted by Anonymous on May 26, 2011 at 6:18am

I'm doing some consulting work for a client where Linux is (unfortunately) not an option for any part of the stack.

The setup is:

Windows Server 2008 64bit
php 5.3.x
apache 2.2.x
mysql 5.x

Apart from getting APC to work, I'm looking for general pointers to making this not suck horribly from a performance point of view.

Confused by performance issues: Would Love Help optimizing httpd.conf, apc, php-cgi, memory usage, page execution, memcache

Posted by Miko. on May 25, 2011 at 10:46pm

So now we've evolved and moved forward in the development of the Special Olympics site, and some of you will remember my questions about how to choose a web hosting service. Although we chose Webfaction, we may need to move to a dedicated server and VPS, but in truth, I am VERY confused about how to KNOW what our site performance needs, and memory needs, truly are. PLEASE offer advice if you can.

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