BookMyShow but for a himesh reshammiya concert (interviewers words lol) focus was concurrent booking. prevent 2 ppl getting same seat in same ms. talked about row-level locking, optimistic vs pessimistic, redis with SETNX. they liked the redis answer. onsite next

amazon SDE2 sys design

BookMyShow but for a himesh reshammiya concert (interviewer's words lol) focus was concurrent booking.