Notes on how Braintree handles planned maintenance, unplanned failure, and people mistakes to support processing transactions at the rate of $22k/min or $12 bil

Notes on how Braintree handles planned maintenance, unplanned failure, and people mistakes to support processing transactions at the rate of $22k/min or $12 billion yearly. - PostgreSQL was a win for them over MySQL - Custom built load balancers - Automation to reduce human errors