Redis

Redis Memory obsolescence mechanism and expiration strategy

Let's talk about the previous article redis And two special data structures , This article mainly analyzes redis Memory obsolescence mechanism and...
2020-06-23 11:27 views 79

Redis Why fast ?IO Multiplexing （select,poll,epoll）

Redis Why fast ?Redis The data is in memory , All operations are memory level operations .Redis It's single threaded , The loss caused by thread...
2020-04-09 15:29 views 296

Talking about redis The single point mode of , Master slave mode , Sentry mode and cluster mode

Recently, I changed my unit redis and nginx, For a rookie like a blogger who has only heard of his name before , Deep feeling to head big , After ...
2019-09-05 09:36 views 77

redis colony （ Master slave ） Cleft brain and Solutions

What is? redis Cluster cleft of brain ?redis Cluster cleft refers to network problems , cause redis master Node heel redis slave Node and sentinel...
2019-07-24 15:39 views 47

Node.js to update Redis in key Expiration time of

Demand has an interesting demand recently , Establishment of user's family account system , premise （ Small program development , Front end can't ...
2019-05-11 20:58 views 37

Redis Why single thread , And the reasons of high concurrency and fast

One ,Redis High concurrency and fast reasons for 1.redis It's memory based , The read and write speed of memory is very fast （ Pure memory ）.2.red...
2019-05-10 19:44 views 137

redis Queue simple to achieve high concurrency / seckill

The premise is that the purchase is limited per person 1 Stock in the seckill goods before opening Redis In line $redis = new redis();$redis->co...
2019-03-21 14:34 views 64

python interview --redis High concurrency processing mode

redis The high concurrency processing method of redis There is no concurrency problem , Because it's a single process , Any number of commands are ...
2019-02-13 17:36 views 58

redis Cluster and redis Outage handling scheme

redis Generally, distributed caching is used in the enterprise , Can greatly reduce the cost of high concurrency, the enterprise must not be a stan...
2018-10-10 16:05 views 27
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