What is the difference between redis data and traditional databases?

Unlike traditional databases Redis The data of is stored in memory , So the speed of reading and writing is very fast , therefore redis Widely used in cache direction , Can handle over per second 10 Ten thousand read and write operations , Is the fastest known Key-Value DB. in addition ,Redis It is also often used for distributed locks . besides ,Redis Support transactions 、 Persistence 、LUA Script 、LRU Driving events 、 Multiple clustering schemes .