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DEC 2010

Presentation Title

Implementing High Performance Drupal Sites

Unimity Solutions.3, 5th Floor, "Kasi Arcade" 116, Thyagaraya Road, T.Nagar, Chennai 600017 India, Phone: (91- 44) 43923800

www.unimity.com

By Kamalakanan & Shyamala

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Presentation Path

• What is “Performance”?• Different Layers of Performance• How to configure Drupal for Performance• Writing Drupal Modules for High Performance• Some Advanced Techniques & Caching

Systems• Event Based Caching• Drupal 6 vs Drupal 7• Performance in Drupal 8

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What is “Performance”?

The performance of a website is the speed at which the website can be accessed by the end user.

Response Time

Availability Scalability

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Different Layers of Performance

• User end– Size of Page– No of request– Browser Cache

• Server side– PHP– MySql– Apache

• Application End– Drupal

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How to configure Drupal for Performance

• Using Drupal Cache– CSS JS Aggregation– Page Cache– Views, Block, Menu,

Panel, Form Cache

• Number of Modules• Sys Log vs DB log• Developer Tools

– Devel– DB tuner

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Writing Drupal Modules for High Performance

• Coding Standards• Size of files• Appropriate use of inc files• Reuse Drupal functions as much as

possible• Use of Static Variables • Efficient code• Query vs use of Views• Writing Custom Cache

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Some Advanced Techniques & Caching Systems

• Event Based Caching• Boost• MemCache• Varnish

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Event Based Caching

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Event Based Caching vs Time Based Caching

Page View Name Display NameEvent based

Time Based - update Frequency

         

Home HomeDisplay Name --> Home Slide yes

 

Home Home Display Name --> Spotlight yes  

Home HomeDisplay Name--> Did You Know yes

 

Home   Active members NoOnce a day (separate cron)

Home   Birthday Wishes NoOnce a Day (Separate cron)

All    Tag cloud Notwice a day (Separate cron )

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Importance of planning for CacheSheet

Content Type View Name Display Name

Event based

Time Based - update Frequency

News        

  news_page Display Name --> News yes  

         

 rightside_blocks

Display Name --> Corporate Zone,

yes  

   Display Name -->Popular in corporate zone,

No  

   Display Name --> Recent topics,

yes  

    Display Name -->Buzz Zone yes  

         

Announcements

news_pageDisplay Name --> Announcement

yes  

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Performance inDrupal 6 vs Drupal 7

–Less SQL–Path round trips–Entity Load vs Node Load–CCK Storage vs Entities

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Performance inDrupal 8

•Performance Gates– SQL queries – Memory usage – CPU – System calls– Front end

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Expert Knowledge Groups – Groups.Drupal.Org

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Thank You!