Redis things

Reference resources ： Ten correct uses Redis The technique of - Alicloud developer community

The basic Alibaba document has already said , But there are some things we should pay attention to ：

1. redis How to handle when the server memory is insufficient ？ It's impossible to wait for OOM Only when you report an error ？ You can configure the redis Alarm when the specified memory is set in the server , Notify the designated responsible person . Or notify through code , Anyway, we must inform .

How to view redis Memory usage - Simple books https://www.jianshu.com/p/13fa2806b8d8

    2. When redis Use of downtime , There should be important standby storage , Such as file storage or database storage . No data can be found in key core businesses , This facilitates data recovery .

    3. Master slave backup , Every time you use it in key places redis when , There are try catch Mechanism to process , If abnormal alarm and other compensation operations