Agility requires safety

AGILITY requires SAFETY Every startup has the same story: “We don’t have time for best practices.” You can’t go faster by being reckless Auto-recovery mechanism brings server back after outage Stateful servers: multiple instances, multiple zones Replication to one or more standby servers Load balancer switches to standby server in case of outage Auto-recovery mechanism brings server back after outage Test your recovery process regularly Outline Brakes Bulkheads Autopilot Safety catch Speedometer Warning lights Seat belt Speed is limited by safety Two cars can drive at 80mph in opposite directions safely… Because of two yellow lines It’s worth the time to put these safety mechanisms in place For more info, see Hello, Startup hello-startup.net Questions? Image credits F1 racecar: Takayuki Suzuki Highway traffic: Oran Viriyincy Car accident: ER24 EMS (Pty) Ltd Road: Nicolas Raymond BWM: Andy Durst Self-driving car: Steve Jurvetson Bus: Roland Tanglao Tail lights: Tony Webster USS South Dakota: Wikimedia Crash test dummy: Wikimedia Elisha Otis: Wikimedia Otis Elevator: Wikimedia Speedometer: Dawn Hopkins Dashboard lights: Jim Larrison Seat belt: Wikimedia Google repo stats: Rachel Potvin ISS: Wikimedia Fire: Pete Martin Fowler: Wikimedia ... auto-pilot For cars and for software, speed is limited by safety What are the seat belts, brakes, & self-driving cars of software? This talk is about safety mechanisms That make it possible to build software... hello-startup.net Outline Brakes Bulkheads Autopilot Safety catch Speedometer Warning lights Seat belt Outline Brakes Bulkheads Autopilot Safety catch Speedometer Warning lights Seat belt Good