Install redis

Redis install

Install the package to get

• http://redis.io

• http://redis.cn/( At home )

ubuntu System installation Redis

sudo apt-get install redis-server

Installation steps

• install gcc:

  yum install gcc
  sudo apt-get install gcc
  

• test gcc Is the installation successful

  gcc --version
  

• download redis.tar.gz To opt Under the table of contents

• decompression

  tar -zxvf redis.tar.gz
  

• After decompression, enter Redis Directory using make Command to compile

  make
  

• If not ready C Language compiling environment ,make Will report a mistake Jemalloc/jemalloc.h： There is no such document

• Solution ： function make distclean

• install

  make install
  

• The installation directory :/usr/local/bin

  • redis-benchmark: Performance testing tools , You can run it in your own book , Look at the performance of your book
  • redis-check-aof： Fix the problem AOF file ,rdb and aof Later on
  • redis-check-dump： Fix the problem dump.rdb file
  • redis-sentinel：Redis Cluster use
  • redis-server：Redis Server start command
  • redis-cli： client , Operation entrance

start-up

• Run the command :redis-server( The front desk starts )

• Background start : Copy redis.conf Go to other directories

  cp /opt/redis/redis.conf /ect/redis.conf
  

• Modify the configuration file , Open background startup

  daemonize no -> yes
  

• Start the service :redis-server /etc/redis.conf

Access the service

• redis-cli

• Test whether the connection with the server is normal , Conduct redis-cli, Carry out orders ping, Show pang It means that the connection is unblocked

  ping
  

Close the service

• redis-cli shutdown Or enter redis-cli Terminal execution shutdown

port 6379 To come from

• According to the person's name :Merz( Mobile phone keyboard 9 GongGe )
• redis Default 16 A database , Similar array subscript from 0 Start , Initial default use 0 Signal library
• Use select dbid To switch databases

Adoption of Technology

• memcached: Multithreading + lock

• Redis: A single thread + multiple IO Multiplexing technology

• memcached Cannot persist data to disk , and redis Sure