1. What does an earthquake look like?
When you run an earthquake website
Dylan Jay
@djay75
dylan@pretaweb.com

2. (it's python, it's good!)

3. We do mostly do .gov.au

4. Victorian SES
● Wanted CMS
● Wanted Multi-site
● Wanted it secure
● Wanted to theme it themselves
● That won't fall over in a disaster
● 99.99% uptime
● That's < 4.5min per month
● So we built it for them

6. Architecture
● Lots of pipes →
● CDN →
● Nginx →
● Varnish →
● Haproxy →
● Zope/Plone →
● MySQL
● x2 (SA & NSW)

7. Plone's cache management rocks!

8. It was load tested
First checked with Funkload (it's python, it's
good!)
● WebUnit
● Automated distributed testing
Then with jmeter (SaaS)
Then we got the hoster to do it :)

9. Prediction: 840k in 15min

10. 0 to 21Gbs and 130k rps
ebay.com's traffic
10 billion page views/month
With no warning

13. No downtime!

14. Unlike our competitors

15. What does an earthquake look like?
When you run an earthquake website!
Dylan Jay
@djay75
dylan@pretaweb.com