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A list of best Practices for getting decent Performance on High Traffic Sites

Posted by gdtechindia on February 13, 2010 at 5:36pm

Hi Everyone.

Very important topics have been discussed in the high performance group in the past and i would like to request all members to help make a list of important factors, which can offer performance boost for Drupal website. I will list a few i know work very nicely. Please do add your suggestions.

Use BOOST module to serve static content to users
Cache router can also be used for caching.
If you are on dedicated hosting, use LiteSpeed Webserver. Even there are some companies offering LiteSpeed hosting in shared environment.

APC reduces Apache Thread Size: unlocking the power of top to grok

Posted by joshk on February 16, 2010 at 7:54pm

At Do It With Drupal last December in New Orleans, I was very rude to the inestimable Matt Westgate by making a contradictory comment in his "Drupal under Pressure" high-performance session about how APC decreases rather than increases total memory utilization in Apache with mod_php and then having my phone ring with an emergency client call and having to walk out of the room without explaining what I meant. Poor form to say the least.

Debugging slow POST/GET profile

Posted by ezraw on February 17, 2010 at 6:04pm

Hi all,

We have a fairly complex site for a corporate client. We are in the process of undergoing performance testing, which is being performed by the client's internal QA team. Overall the results are satisfactory: with 100 concurrent users on the site (50 logged in), most pages are returning in an average of under 1 second, with a few outliers. The site is being tested on the client server, to which we have no direct access at the moment.

Here's the problem we could use some ideas troubleshooting.

We are using content profile for users profiles.

New Drupal Book - Drupal 6 Performance Tips

Posted by trevorjames on February 17, 2010 at 6:09pm

Drupal 6 Performance Tips, by Trevor James and TJ Holowaychuk, is a newly-published title from Packt Publishing aimed at Drupal beginners, developers, designers, and webmasters who utilize the Drupal content management system to create robust websites.

High Performance Drupal hosting providers

Posted by wildahunden on February 20, 2010 at 8:55pm

I have developed a drupal site for a client who needs a high-performance production environment. I would like to give them a list of 2-4 companies that are geared up for this in the near term. I'm aware of FourKitchens.com and will include them in the list. Do you know of other companies that I could include in the list?

Using multiple slave MySQL databases as 'read only' DBs

Posted by james_agnew on February 23, 2010 at 9:52pm

Hello

We have a busy site currently running Pressflow 6.15 across 4 web servers pointing to a single Master/Slave DB setup.

One of the web servers is the CMS server that web publishers use to update the site. The other 3 servers are public facing and server the corporate website.

The public site is anonymous in terms of Drupal logins, although a few pages need to connect to a 3rd party site via SOAP, and so we need to maintain some basic session information.

Scalable file upload backend?

Posted by BartVB on February 25, 2010 at 9:36am

I'm in the process of setting up Drupal as the CMS for a large community site. This is is going to get a fair amount of image/video uploads which are put into /sites/default/files/ This works well for a few hundred to a few thousand files but after that performance and maintainability starts to degrade.

Autoscale of memcache bins

Posted by bennos on February 25, 2010 at 10:20am

Have found Gear6 www.gear6.com.
They provide hosted memcache with automatic scaling. Sounds interesting.

Does anybody know, how to do it with memcache?

bennos

load balanced Mercury instances

Posted by james_agnew on March 1, 2010 at 12:41pm

Hello

Anyone currently working with Mercury/varnish in a load balanced envrionment? We're looking to have three web servers running Mercury, all pointing to a single DB box + slave.

Heads up for any gotchas (varnish cache going stale? etc) would be much appreciated.

Thanks, James

Optimization with two or more backend servers

Posted by ionut.alexuc on March 2, 2010 at 2:25pm

Hi guys,

We are running a large website and expect for more visits in the next feature.

Currently we are using one server with the following configuration:
- squid (that caches and serves all the static files)
- web server with xcache, memcache and authcache for anonymous.

What do you recommend to have for a better performance?

I'm thinking at the following idea:
1. have squid on a separate server that will cache all the static files
2. have two or more back-end servers and use squid to delegate the requests to these servers
3. have mysql running on one server

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