High Performance WordPress

WordPress.org

Ping-O-Matic

bbPress

Automattic

Akismet

Gravatar

Intense Debate

PollDaddy

BuddyPress

WordPress.com

2 terabytes of uploads (3 gb free space)‏

450 terabytes of bandwidth

1 billion dynamic pageviews

14.2 billion requests (7,300 a second)‏

Performance vs Scalability

Performance: 90% front-end

Un-tuned stack: Linux, Apache, PHP 4, MySQL 4

8 requests a second

691,200 pageviews a day

APC!

50% boost: 12 requests per second

WP-Cache

See also: Supercache Batcache

300 requests per second 25.9 million pageviewss

fin!

Web Server Configuration

Static Requests

Good: nginx Okay: Amazon S3 Best: CDN - Panther

Going beyond?

Split Web & DB

Add Multiple Webs +nginx

Add Multiple DBs +HyperDB

Memcache

90% of pageviews not logged in

Batcache: dynamic output cache

Your Blog

1. Upgrade WP

2. Supercache

3. Optimize CSS, images, and JS

3. Optimize CSS, images, and JS

3. Optimize CSS, images, widgets, and JS

Thank you!

Q&A

[email_address] http://ma.tt Twitter: photomatt Orkut!