enforcer: Arc<RwLock<CachedEnforcer>> why use lock？

[tyjyhapple]

enforcer: Arc<RwLock> why use lock，When I test the performance, the performance drops dramatically under using Rwlock

[Eric Luo]

@GopherJ @xcaptain @hackerchai

[Cheng JIANG]

@tyjyhapple Sorry for the late reply, I believe we can remove the lock only if we can ensure there is no modification on policies.

In this case we can use only Arc.

Also we are using CachedEnforcer so it needs &mut to be able to modify internal cache.

If you have better ideas don't hesitate

[Eric Luo]

Closed as stale.