tuning drupal for scale and performance

Tuning Drupal for Scale and Performance

What is scaling?

It’snotaboutHowFast

• How Much

• How Much

It’sallaboutCapacity

What can scale...

What can scale...

Drupal

What can scale...

DrupalYour Code

What can scale...

DrupalYour Code

Server

What can scale...

DrupalYour Code

ServerArchitecture

Scaling Drupal

• Module bloat• Index optimization• MySQL Engine Selection• Cache

Caching

Built-in caching

Caching

Built-in caching

Caching

73%

Built-in caching

CSS Aggregation

Caching

Built-in caching

CSS Aggregation

Block Cache

Caching

Built-in caching

CSS Aggregation

Block Cache

Advanced Cache

Caching

Built-in caching

CSS Aggregation

Block Cache

Advanced Cache

Boost

Caching

Scaling your install

• Load testing• Code performance• Query optimization

Drupal Infrastructure

• Memcached • Caching proxy• Scale Databases out• Offload static content– Content Delivery Network– Second lightweight web server– S3

Opcode Caches

GraphfromDriesBuytaert

Server Tuning

• RAM• Apache Processes• Replace Apache with Nginx and FastCGI• Replace PHP with Resin• Monitoring

Resin

Hardware scaling

UP OUT

Scaling High Points

• Cache as much as possible• Tune your queries• Tune your code• Don’t install stuff you don’t need• Serve Drupal from one server, static from

another• Run an opcode cache

Adam KalseyVP of Productsadam@workhabit.com

866-WorkHabithttp://workhabit.com/