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Editor to share with you what redis server refers to, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

1. Overview

(1) Redis is the abbreviation of Remote Dictionary Server (remote data Service).

An in-memory cache database developed by Italian antirez (Salvatore Sanfilippo)

(2) the software is written in C language and its data model is key-value.

(3) it supports many types of value storage, including string (string), hash (hash), list (linked list), set (collection), and Zset (ordered set).

(4) in order to ensure that the efficiency data are cached in memory, it can also periodically write updated data to disk or modify operations to additional record files.

2. Characteristics

1) read data at high speed (in-memory)

2) lighten the burden on the database

3) it has the function of set calculation (better than ordinary database and products of the same category).

4) support for multiple data structures

3. Suitable occasion and its advantages

1) [Sort Set] ranking application, which can be operated with top n, such as sina Weibo hot topic

2) [List] get the latest N pieces of data or the latest data of a classification

3) counter application

4) [Set] sns (social network site) gets mutual friends

5) [Set] Anti-attack system (ip judgment), etc.

The above is what redis server refers to all the content, thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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