Call Me Maybe: Chronos
Kyle series "Call Me Maybe" is great.The general take-away from most of them is -- do not believe the vendors of distributed systems. Even systems that were meant to solve consensus (etcd, consul) failed:https://aphyr.com/posts/316-call-me-maybe-etcd-and-consulElasticsearch didn't do well, MongoDB, Kafka, etc.The only ones that did ok that I remember were: Zookeeper, Riak (with siblings), and maybe Cassandra.