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Judging from the tweet flow, Velocity looked like a riotous good time. In this video on the main themes at Velocity, after a little microphone enhanced violence, John Allspaw and Steve Souders identify resilience and automation as two of the big ideas behind building a faster and stronger web.
John says resiliency is the idea that we we don't live in a perfect world so trying to build perfect systems is counter productive. We have to accept failure as a baseline and think in terms of degrees of availability. All abstraction layers leak so every part of a system must be monitorable and open to introspection.
A focus on resilience means the web is growing up. Resilience has long been a requirement for "real" systems, it's great to see the web thinking in terms of the complex systems they've always been. For the Alpha and Omega on resilience you'll want to watch Dr. Richard Cook's inspiring talk on How Complex Systems Fail.
Here are some of the most enjoyable Quotable Quotes from Velocity:
- @guypod : LTE latency has roughly the same latency we had with dialup connections. 3G latency is akin to satellite... (@patmeenan at #velocityconf)
- @akucharski : Akamai produces 1.3 billion log lines every day! #velocityconf
- @mikeodea : Facebook: 6 billion mobile messages (!!) every 30 minutes #velocityconf
- @mmaretzke : #velocityconf Last ... mind-boggling ... Facebook facts: 3.8 trillion cache operations in 30 minutes! Unbelievable. Scaling Systems. 160m newsfeeds, 5bln realtime msgs, 10bln profile pics, 108 bln queries on mysql still 30 minutes
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