Terms

supplemental.pdf (rice.edu)

Hoisting - MDN Web Docs Glossary: Definitions of Web-related terms | MDN (mozilla.org)

很高的那些 Latency (? Ref Tail Latency Might Matter More Than You Think - Marc’s Blog (brooker.co.za) Why you should measure tail latencies | Roberto Vitillo’s Blog

Each server stores a log (a series of commands) Its state machine executes the log in order Consensus algorithm ensure logs are consistent Key properties Safety: never return incorrect result available as long as any majority of servers are up Do not depends on timing A command can complete as soon as majority of the cluster responded (no wait for slow servers)

Operations are executed in order Query after update should see update