Redis' transaction and locking mechanism

Transaction and lock mechanism

Transaction conflict

This is definitely not going to happen to him , How to solve this kind of conflict ？
We can add Optimism lock 、 Pessimistic locking To resolve transaction conflicts

Demonstrate optimistic locking and transaction features

PS: Secsha basically needs redis Transaction lock in , Concurrency is more complicated
Solution to the timeout problem ： Use connection pool （ because redis A single thread , So there is only one connection pool ）
Solutions to oversold problems ： Use optimistic locks
But optimistic lock will cause inventory problems , The solution is to use LUA Script