There are only two hard problems in distributed systems: 2. Exactly-once delivery 1. Guaranteed order of messages 2. Exactly-once delivery [0] [0] https://twi

There are only two hard problems in distributed systems: 2. Exactly-once delivery 1. Guaranteed order of messages 2. Exactly-once delivery [0] [0] https://twitter.com/mathiasverraes/status/632260618599403520 https://twitter.com/mathiasverraes/status/632260618599403520