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Surviving an earthquake's worth of traffic
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Surviving an earthquake's worth of traffic

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  • 1. What does an earthquake look like? When you run an earthquake website Dylan Jay @djay75 dylan@pretaweb.com
  • 2. (its python, its 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 wont fall over in a disaster ● 99.99% uptime ● Thats < 4.5min per month● So we built it for them
  • 5. Architecture● Lots of pipes → ● CDN → ● Nginx → ● Varnish → ● Haproxy → ● Zope/Plone → ● MySQL● x2 (SA & NSW)
  • 6. Plones cache management rocks!
  • 7. It was load testedFirst checked with Funkload (its python, itsgood!)● WebUnit● Automated distributed testingThen with jmeter (SaaS)Then we got the hoster to do it :)
  • 8. Prediction: 840k in 15min
  • 9. 0 to 21Gbs and 130k rpsebay.coms traffic10 billion page views/monthWith no warning
  • 10. No downtime!
  • 11. Unlike our competitors
  • 12. What does an earthquake look like? When you run an earthquake website! Dylan Jay @djay75 dylan@pretaweb.com