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.

smira's picture

BOA high performance setup on AWS

Hello BOA users around the world. I would like to discuss a possible implementation of BOA in a High-Availability / High-Performance setup.

I've been using BOA for my business infrastructure on a Linode VPS for almost a year. I've been working on a relatively large website for the past 6 months that will require some flavor of ha/ hp setup since it will serve well over 30k uniques a month and loads of video streaming.

Desired Architecture hosted on AWS
--------------------------------- Load Balancer ---------------------------------

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superfedya's picture

Caching for authenticated users, but not Authcache


Please tell me which module I can use as cache system for authenticated users but not Authcache (it doesn't work cause the problems with phpbbforum module)?
For anonymous user I use Boost, but it seems not be recommended to enable the normal Drupal caching with Boost, is this right?

At the moment I installed:
Cache Router (via Memcache)
Path alias cache
Locale Cache
Authcache - not working

Another thing, it is good idea to replace Cache Router with Memcache API http://drupal.org/project/memcache?

For sessions caching it says:

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hfidge's picture

Stack recommendations for 1.5m pageviews / 250k unique users monthly


Just starting to specify the stack for a rebuild job - looking to move onto D7 as long as the modules required for the build are sufficiently mature, otherwise it'll be D6 and probably based on Pressflow / Varnish / Memcache etc.

The site is transactional, so will require user accounts, but beyond that there won't be much (any?) user generated content bar from some contact forms / quote request forms etc.

This'll be the biggest site I've put together, so I'm interested to find some Drupal benchmarks for a site of this size, can anyone help?

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alexus's picture

Varnish HTTP Accelerator Integration - The Varnish control terminal is not responding

I'm trying to use Varnish HTTP Accelerator Integration module ( http://drupal.org/project/varnish ) in our environment and I'm getting following error under "admin/settings/varnish"

Status: The Varnish control terminal is not responding at on port 6082.

for troubleshooting purposes I did

telnet 6082

Connected to
Escape character is '^]'.

200 154

Varnish HTTP accelerator CLI.

Type 'help' for command list.
Type 'quit' to close CLI session.


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fenda's picture

Maintenance Staff | CyAC

Employment type: 

Leading online video game tournament site needs maintenance staff

CyAC (cyac.jp) is the leading organizer of video game tournaments in Japan. We run online tournaments on our Drupal 6 site running over 50 modules (20+ custom modules).

As we have grown larger recently we are having trouble maintaining our growing website!

We are looking for a reliable team or individual required to do the following:

Fully understand our website modules and code (training provided)
Fix bugs on demand
Create new features on demand

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flapsjack's picture

Reverse proxy best practices

We have a site that is being built that will be a site-wide cms for the University I work at. The way it will work is the following:

The existing setup is just Apache serving static pages. These will be migrated into a single Drupal instance and not individual Drupal multisites. So it is now universityurl.edu/chemistry that serves the static content. Ideally, the same site can be recreated at cms.universityurl.edu/chemistry in Drupal, and once the chemistry department is happy with the new version, I can flip a switch (.htaccess or apache change), and universityurl.edu/chemistry is now being reverse proxied to cms.universityurl.edu/chemistry.

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oseldman's picture

Drupal Scalability and Performance training in Los Angeles on October 31, 2011

2011-10-31 09:30 - 17:30 America/Los_Angeles
Event type: 
Training (free or commercial)

In this all-day workshop, top experts with years of front-line experience building large-scale Drupal deployments show you the best known practices for running fast sites for a large volume of users. Starting with a blank Linux virtual server, we will work through the setup, configuration and tuning of Drupal using Varnish, Pressflow, Apache, MySQL, Memcache and Apache Solr.

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akhan's picture

Drupal 6 and MySQL master & slave Replication on EC2


We are setting up a server farm on EC2 to host a site built on Drupal 6. I am reaching out to the this community to seek help in setting up the MySQL master-slave replication where Drupal will write to the mast DB and read from the slave DB. Has anyone done this successfully on EC2?

We are using Scalr.net as the front end cloud application and its lets you set-up the MySQL master-slave instances quite easily. Where I need help is how to tell Druapl to write to the master DB and read from the slave.

Many thanks for help in advance.


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christefano's picture

High Performance Drupal meetup in Santa Monica on October 11, 2011 at Yahoo!

2011-10-11 19:30 - 21:30 America/Los_Angeles
Event type: 
User group meeting
Video: http://blip.tv/ladrupal/episode/5638398  

The High Performance Drupal meetup has moved to Yahoo! at the Yahoo Center in Santa Monica and we're meeting this time on Tuesday, October 11, 2011. Join us!

The meetup begins at 7:30pm but the doors open a little earlier at 7pm for Users Helping Users, which is a chance for members of the community to help and be helped by others with whatever questions and problems they're having with Drupal. Several of us may be going to a local bar or restaurant after the meetup for a Drupal After Dark.

If you'd like to give a presentation, announce a job position or ask any questions of the group, please leave a comment below and plan to come a few minutes early. If presenting, be sure to bring your laptop (and power and display cables) and whatever else you need.

This event is free – in fact, there will be raffle prizes and food and drinks will be provided – and no RSVP is required. Those who sign up, however, will have last-minute details (if there are any) sent to them before the meeting. It's also good to know how many to expect so that we can arrange adequate seating, food, drinks, and so on, so please sign up by logging in and clicking the Signup button at http://groups.drupal.org/node/175834#signup

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waverate's picture

Varnish w/nginx for Static Content

(Referred from http://drupal.org/node/1255892)

I have been working on two development servers to try out a concept:

Server 1.
varnish -> apache > drupal, and

Server 2
nginx -> apache > drupal, with
nginx -> (jpg, txt).

I have read all good things about running nginx with no modules to server Static Content (images, text files, etc) and it seems to work very well on server 2.

Both development servers are working very well. What I would now like to try is to combine the benefits of both but I do not know which is the preferred setup?

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