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This article mainly shows you "Centos7 how to install Redis", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "Centos7 how to install Redis" this article.

Brief introduction

Redis is an open source (BSD license), in-memory data structure storage, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, collections, sort sets with range queries, bitmaps, super logs, geospatial indexes with radius queries and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions and different levels of disk persistence, and provides high availability through Redis Sentinel and automatic partitioning using Redis Cluster.

What is redis?

Memory-based key- value database that supports automatic / manual persistence.

Performance:

Here are the official bench-mark figures:

The test completed 50 concurrent execution of 100000 requests.

The value set and obtained is a 256-byte string.

Results: the speed of reading is 110000 times / s, and the speed of writing is 81000 times / s.

Support language

Redis official website

Redis

Redis.io/

Data types supported by Redis

String 、 hash 、 list 、 set 、 sorted set

Installation

Installation dependency

Yum install gcc-c++-y

Create installation directory, compile, install

Download address

Wget http://download.redis.io/releases/redis-5.0.5.tar.gz

#-p make sure the directory name exists, and create one if it doesn't exist

Mkdir-p / home/software/redis

#-z: with gzip attribute,-x: decompress,-v: show all procedures,-f: use the file name, remember, this parameter is the last parameter, only the file name can be followed.

Tar zxvf redis-3.0.6.tar.gz

Cd redis-3.0.6

# make is used to compile. It reads instructions from Makefile and then compiles

# make install is used for installation. It also reads instructions from Makefile and installs to the specified location. PREFIX selects the directory to install.

Make & & make PREFIX=/home/software/redis install

Copy configuration files, start

Cd redis-5.0.5/

Cp redis.conf / home/software/redis/bin

Modify / usr/local/redis/bin/redis.conf (the following changes are based on redis5.0.5 other versions of redis may be different)

Use the vim editor to enter: set number displays the number of lines (provided you have installed vim)

Whether or not to act as a daemon thread, Redis will write the pid file in / var/run/ Redis. When monitoring pid

On line 136

Daemonize yes

To modify the number of instances

On line 186

Databases 32

Comment binding ip, you can connect to redis to get ip

# bind 127.0.0.1

Add access password

On line 507

Requirepass redis

Start

Change to the bin directory under the installation directory

Execute the command, this configuration file is just copied from the unzipped directory

. / redis-server redis.conf

View the process

Ps-ef | grep redis

Test connection

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