The reason why keys are no longer produced and used is because when the number of keys in redis is large, keys will be very time-consuming, and redis will be blocked during this period. Similarly, when the number of keys falut* is large, it will also be blocked. redis

It mainly depends on the number of keys matched by the expression

Try to increase the matching degree of regular expressions. Don’t do this~

If you only take the quantity, directly dbsize