redis keys *会让生产环境崩溃, 那keys falut*呢?

Question

如题,这种 keys falut* 正则表达式查找会让 崩溃吗?

Answer 1

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

Answer 2

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

Answer 3

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

Answer 4

If you only take the quantity, directly dbsize