alt Hacker NewsHave you ever seen anyone changing transaction isolation levels in code? I think pessimistic or optimistic locking is preferred way to handle transaction concurrency.
Have you ever seen anyone changing transaction isolation levels in code? I think pessimistic or optimistic locking is preferred way to handle transaction concurrency.
I have recommended that various teams drop down to READ-COMMITTED (MySQL) for various actions to avoid gap locks being taken, but AFAIK no one has done so yet.