redis-4.0.1安装配置（CentOS6.6）
一．redis服务安装配置
1. 下载解压redis软件包
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# wget http://download.redis.io/releases/redis-4.0.1.tar.gz
# tar zxvf redis-4.0.1.tar.gz
# cd redis-4.0.1
2. 编译安装redis
# make MALLOC=jemalloc
# make PREFIX=/application/redis-4.0.1 install
# ln -s /application/redis-4.0.1/ /application/redis
# tree /application/redis/bin/
/application/redis/bin/
|-- redis-benchmark #Redis性能测试工具，测试redis在你的系统及你的配置下读写性能
|-- redis-check-aof #更新日志检查
|-- redis-check-rdb
|-- redis-cli #Redis命令行操作工具，也可以用telnet根据纯文本协议操作
|-- redis-sentinel -> redis-server
`-- redis-server #Redis服务器的daemon启动程序
3. 配置环境变量
# echo "export PATH=/application/redis/bin:$PATH" >>/etc/profile
# source /etc/profile
# redis-server --help
# mkdir /application/redis/conf
[root@wangning redis-4.0.1]# cp redis.conf /application/redis/conf/
4. 启动关闭redis服务
# redis-server /application/redis/conf/redis.conf & #启动redis服务
[1] 10047
[root@wangning redis-4.0.1]# 10047:C 26 Jul 15:19:17.150 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
10047:C 26 Jul 15:19:17.150 # Redis version=4.0.1, bits=64, commit=00000000, modified=0, pid=10047, just started
10047:C 26 Jul 15:19:17.150 # Configuration loaded
10047:M 26 Jul 15:19:17.152 * Increased maximum number of open files to 10032 (it was originally set to 1024).
_._
_.-``__ ''-._
_.-`` `. `_. ''-._ Redis 4.0.1 (00000000/0) 64 bit
.-`` .-```. ```\/ _.,_ ''-._
( ' , .-` | `, ) Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379
| `-._ `._ / _.-' | PID: 10047
`-._ `-._ `-./ _.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' | http://redis.io
`-._ `-._`-.__.-'_.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' |
`-._ `-._`-.__.-'_.-' _.-'
`-._ `-.__.-' _.-'
`-._ _.-'
`-.__.-'
10047:M 26 Jul 15:19:17.162 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
10047:M 26 Jul 15:19:17.162 # Server initialized
10047:M 26 Jul 15:19:17.162 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
10047:M 26 Jul 15:19:17.163 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
10047:M 26 Jul 15:19:17.163 * Ready to accept connections
# ps -ef|grep redis
root 11627 6315 0 15:40 pts/1 00:00:00 redis-server 127.0.0.1:6379
# kill 11627
# echo 1024 >/proc/sys/net/core/somaxconn #设置的值要大于511
# sysctl vm.overcommit_memory=1 #临时生效
# echo never > /sys/kernel/mm/transparent_hugepage/enabled #临时生效
# redis-server /application/redis/conf/redis.conf &
# lsof -i:6379
# redis-cli shutdown #关闭redis服务
5. 连接redis服务测试
交互式用法
[root@wangning redis-4.0.1]# redis-cli
127.0.0.1:6379>
127.0.0.1:6379> help get
GET key
summary: Get the value of a key
since: 1.0.0
group: string
127.0.0.1:6379> help set
SET key value [EX seconds] [PX milliseconds] [NX|XX]
summary: Set the string value of a key
since: 1.0.0
group: string
127.0.0.1:6379> set no002 wangning
OK
127.0.0.1:6379> get no002
"wangning"
127.0.0.1:6379> quit
或者
[root@wangning redis-4.0.1]# telnet 127.0.0.1 6379
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
set no002 wangning
+OK
get no002
$8
wangning
quit
+OK
Connection closed by foreign host.
非交互式用法
# redis-cli -h 127.0.0.1 -p 6379 set no002 wangning
# redis-cli -h 127.0.0.1 -p 6379 get no002
"wangning"
或者
# redis-cli set no002 wangning
# redis-cli get no002
"wangning"
# redis-cli -h 10.0.0.21 -p 6379 info #统计信息
二．为PHP安装redis客户端扩展
# wget https://github.com/nicolasff/phpredis/archive/master.zip
# unzip master.zip
# cd phpredis-master/
# /application/php/bin/phpize
# ./configure --with-php-config=/application/php/bin/php-config
# make
# make install
# echo "extension = redis.so" >>/application/php/lib/php.ini
# killall php-fpm
# /application/php/sbin/php-fpm
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