Redis缓存更新的锁问题

Question

高并发情况下 多个请求同时更新同一个key的redis缓存 如何加锁？ 这个是需要程序上实现 还是redis本身带有？

Answer 1

Redis It is a single-threaded model, so there is no locking problem.

Answer 2

You can take a look at the documentation of watch+multi/exec, which may meet your needs.