𝗙𝗹𝗮𝘁𝘁𝗲𝗻 𝗡𝗲𝘀𝘁𝗲𝗱 𝗔𝗿𝗿𝗮𝘆𝘀 𝗶𝗻 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 Nested arrays happen often. You get them in API responses. You see them in tree structures. Flattening turns these into a single list ...
KAR puts a great deal of emphasis on helping developers manage application state. Stateless microservices are easy to scale and easy to restart or replace on failure. Stateful microservices are not.