[cbzoiav]

As the other guy says the lock is released by the server. If you don't have a mechanism to release it after a timeout, what happens if a node fails?

[Salgat]

RedLock automatically releases a lock after a given timeout. The server can just release it early or refresh it also.

[cbzoiav]

Yes, which is what I said.

But now you have a released lock and a client that thinks they have the lock.