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redis缓存服务搭建单实例和多实例

mhr18 2024-11-04 12:45 27 浏览 0 评论

redis缓存服务搭建单实例和多实例(cent6.6和red6.5)

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1.redis缓存服务安装和测试存储数据(单redis服务,使用默认端口6379运行时)

1)在192.168.14.128上:(服务端)(安装redis服务,需要启动服务)

[root@bogon ~]# yum -y install gcc gcc-c++

[root@bogon ~]# ls

redis-2.6.14.tar.gz

[root@bogon ~]# tar -zxf redis-2.6.14.tar.gz

[root@bogon ~]# ls

redis-2.6.14 redis-2.6.14.tar.gz

[root@bogon ~]# cd redis-2.6.14

[root@bogon redis-2.6.14]# ls

00-RELEASENOTES COPYING Makefile redis.conf src

BUGS deps MANIFESTO runtest tests

CONTRIBUTING INSTALL README sentinel.conf utils

[root@bogon redis-2.6.14]# make MALLOC=jemalloc

[root@bogon redis-2.6.14]# make PREFIX=/usr/local/redis install

[root@bogon redis-2.6.14]# ls /usr/local/redis/

bin

[root@bogon redis-2.6.14]# ls /usr/local/redis/bin/

redis-benchmark redis-check-aof redis-check-dump redis-cli redis-server

[root@bogon redis-2.6.14]# tree /usr/local/redis/

/usr/local/redis/

└── bin

├── redis-benchmark

├── redis-check-aof

├── redis-check-dump

├── redis-cli

└── redis-server

[root@bogon redis-2.6.14]# mkdir /usr/local/redis/conf //优化目录结构

[root@bogon redis-2.6.14]# cp redis.conf /usr/local/redis/conf/ //配置其他功能可修改配置文件

[root@bogon redis-2.6.14]# echo "PATH=/usr/local/redis/bin/:$PATH" >> /etc/profile

[root@bogon redis-2.6.14]# . /etc/profile

[root@bogon redis-2.6.14]# which redis-server

/usr/local/redis/bin/redis-server

[root@bogon redis-2.6.14]# redis-server --help //可查看用法

[root@bogon redis-2.6.14]# redis-server /usr/local/redis/conf/redis.conf & #指定配置文件启动

[1] 5390

[root@bogon redis-2.6.14]# [5390] 19 Jun 21:07:07.674 * Max number of open files set to 10032

_._

_.-``__ ''-._

_.-`` `. `_. ''-._ Redis 2.6.14 (00000000/0) 64 bit

.-`` .-```. ```\/ _.,_ ''-._

( ' , .-` | `, ) Running in stand alone mode

|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379

| `-._ `._ / _.-' | PID: 5390

`-._ `-._ `-./ _.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' | http://redis.io

`-._ `-._`-.__.-'_.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' |

`-._ `-._`-.__.-'_.-' _.-'

`-._ `-.__.-' _.-'

`-._ _.-'

`-.__.-'

[5390] 19 Jun 21:07:07.690 # Server started, Redis version 2.6.14

[5390] 19 Jun 21:07:07.692 # 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.

[5390] 19 Jun 21:07:07.692 * The server is now ready to accept connections on port 6379

如果内存不够,执行:“sysctl vm.overcommit_memory=1”命令,可以放到/etc/sysctl.conf中,也可在命令行执行。

[root@bogon redis-2.6.14]# pkill redis-server

[5390 | signal handler] (1466341687) Received SIGTERM, scheduling shutdown...

[root@bogon redis-2.6.14]# [5390] 19 Jun 21:08:07.442 # User requested shutdown...

[5390] 19 Jun 21:08:07.442 * Saving the final RDB snapshot before exiting.

[5390] 19 Jun 21:08:07.459 * DB saved on disk

[5390] 19 Jun 21:08:07.459 # Redis is now ready to exit, bye bye... 回车

[1]+ Done redis-server /usr/local/redis/conf/redis.conf

[root@bogon redis-2.6.14]# sysctl vm.overcommit_memory=1

vm.overcommit_memory = 1

[root@bogon redis-2.6.14]# echo "sysctl vm.overcommit_memory=1" >> /etc/sysctl.conf

[root@bogon redis-2.6.14]# redis-server /usr/local/redis/conf/redis.conf & #指定配置文件启动

[1] 3452

[root@bogon redis-2.6.14]# [3452] 18 Apr 21:19:01.030 * Max number of open files set to 10032

_._

_.-``__ ''-._

_.-`` `. `_. ''-._ Redis 2.6.14 (00000000/0) 64 bit

.-`` .-```. ```\/ _.,_ ''-._

( ' , .-` | `, ) Running in stand alone mode

|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379

| `-._ `._ / _.-' | PID: 3452

`-._ `-._ `-./ _.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' | http://redis.io

`-._ `-._`-.__.-'_.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' |

`-._ `-._`-.__.-'_.-' _.-'

`-._ `-.__.-' _.-'

`-._ _.-'

`-.__.-'

[3452] 18 Apr 21:19:01.033 # Server started, Redis version 2.6.14

[3452] 18 Apr 21:19:01.034 * DB loaded from disk: 0.000 seconds

[3452] 18 Apr 21:19:01.034 * The server is now ready to accept connections on port 6379 回车

[root@bogon redis-2.6.14]# lsof -i :6379

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME

redis-ser 3452 root 4u IPv4 22968 0t0 TCP *:6379 (LISTEN)

[root@bogon redis-2.6.14]# ps -ef |grep redis

root 3452 1406 0 21:19 pts/0 00:00:00 redis-server /usr/local/redis/conf/redis.conf

root 3461 1406 0 21:20 pts/0 00:00:00 grep redis

[root@bogon redis-2.6.14]# redis-cli shutdown

[root@bogon redis-2.6.14]# lsof -i :6379

[root@bogon redis-2.6.14]# ps -ef |grep redis

root 3465 1406 0 21:21 pts/0 00:00:00 grep redis

[root@bogon redis-2.6.14]# redis-server /usr/local/redis/conf/redis.conf &

[1] 3466

[root@bogon redis-2.6.14]# [3466] 18 Apr 21:22:20.473 * Max number of open files set to 10032

_._

_.-``__ ''-._

_.-`` `. `_. ''-._ Redis 2.6.14 (00000000/0) 64 bit

.-`` .-```. ```\/ _.,_ ''-._

( ' , .-` | `, ) Running in stand alone mode

|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379

| `-._ `._ / _.-' | PID: 3466

`-._ `-._ `-./ _.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' | http://redis.io

`-._ `-._`-.__.-'_.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' |

`-._ `-._`-.__.-'_.-' _.-'

`-._ `-.__.-' _.-'

`-._ _.-'

`-.__.-'

[3466] 18 Apr 21:22:20.479 # Server started, Redis version 2.6.14

[3466] 18 Apr 21:22:20.483 * DB loaded from disk: 0.000 seconds

[3466] 18 Apr 21:22:20.483 * The server is now ready to accept connections on port 6379

[root@bogon redis-2.6.14]# ps -ef |grep redis

root 3466 1406 0 21:22 pts/0 00:00:00 redis-server /usr/local/redis/conf/redis.conf

root 3470 1406 0 21:23 pts/0 00:00:00 grep redis

//以上redis服务安装成功

注意事项1:

1)若配置文件里改成在后台运行(yes),启动时候才能将pid号保存到配置文件指定文件,那么启动时候不用加&选项。若配置文件不是指定在后台运行(是no),那么即使配置文件指定了存放pid号的文件,该文件里也不会有pid号.

2)若默认端口号改成其他端口号,客户端连接时候需要指定端口号才能连接。

[root@bogon ~]# vim /usr/local/redis/conf/redis.conf

daemonize no #默认情况下,redis不是在后台运行的,如果需要在后台运行,把该项的值更改为yes

pidfile /var/run/redis.pid #当redis在后台运行时(yes时),redis默认会把pid文件放在/var/run/redis.pid,也可配置到其他地址

port 6379 #默认端口号,也可修改为其他,若改为其他,则客户端登录时需指定端口号

注意事项2:redis可以设置密码,让客户端指定密码才能连接:客户端不指定密码,看似能连上,但用keys * 查不到数据

#vim ...redis.conf

requirepass Duyao001 #密码设置为Duyao001

此后客户端连接redis服务器时候,需要指定密码才能连接上,#redis-cli -h redis服务ip -p 端口号 -a Duyao001(密码)

2)本地测试存储数据和获得数据:(redis-cli客户端测试)

[root@bogon redis-2.6.14]# redis-cli 或者:redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> set key1 001

OK

redis 192.168.14.128:6379> set key2 002

OK

redis 192.168.14.128:6379> get key1

"001"

redis 192.168.14.128:6379> get key2

"002"

redis 192.168.14.128:6379> del key1

(integer) 1

redis 192.168.14.128:6379> get key1

(nil)

redis 192.168.14.128:6379> quit

3)其他机器192.168.14.129上:作为客户端测试存储数据和获得数据:(redis-cli客户端测试,也需要安装redis,利用里面的客户端工具redis-cli,但不需要启动redis服务)

[root@localhost ~]# yum -y install gcc gcc-c++

[root@localhost ~]# ls

redis-2.6.14.tar.gz

[root@localhost ~]# tar -zxf redis-2.6.14.tar.gz

[root@localhost ~]# ls

redis-2.6.14 redis-2.6.14.tar.gz

[root@localhost ~]# cd redis-2.6.14

[root@localhost redis-2.6.14]# ls

00-RELEASENOTES COPYING Makefile redis.conf src

BUGS deps MANIFESTO runtest tests

CONTRIBUTING INSTALL README sentinel.conf utils

[root@localhost redis-2.6.14]# make MALLOC=jemalloc

[root@localhost redis-2.6.14]# make PREFIX=/usr/local/redis install

[root@localhost redis-2.6.14]# ls /usr/local/redis/

bin

[root@localhost redis-2.6.14]# ls /usr/local/redis/bin/

redis-benchmark redis-check-aof redis-check-dump redis-cli redis-server

[root@localhost redis-2.6.14]# echo "PATH=/usr/local/redis/bin/:$PATH" >> /etc/profile

[root@localhost redis-2.6.14]# . /etc/profile

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> set key5 005

OK

redis 192.168.14.128:6379> set key6 006

OK

redis 192.168.14.128:6379> get key5

"005"

redis 192.168.14.128:6379> get key6

"006"

redis 192.168.14.128:6379> del key5

(integer) 1

redis 192.168.14.128:6379> get key5

(nil)

redis 192.168.14.128:6379> quit

注意:本地客户端和和其他机器客户端都一样,其他机器只是需要安装一个命令,本地客户端已经安装过命令,不需再安装命令而已。

2.redis缓存服务安装和测试存储数据(redis服务多实例启动,使用指定多端口,多pid并存放到指定文件中运行时)

如下;redis服务3实例的启动:

[root@bogon conf]# netstat -anput |grep redis

tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 3857/redis-server

tcp 0 0 0.0.0.0:6380 0.0.0.0:* LISTEN 3861/redis-server

tcp 0 0 0.0.0.0:6381 0.0.0.0:* LISTEN 3865/redis-server

1)在192.168.14.128上:(服务端)(安装redis服务,需要启动服务)

[root@bogon ~]# yum -y install gcc gcc-c++

[root@bogon ~]# ls

redis-2.6.14.tar.gz

[root@bogon ~]# tar -zxf redis-2.6.14.tar.gz

[root@bogon ~]# ls

redis-2.6.14 redis-2.6.14.tar.gz

[root@bogon ~]# cd redis-2.6.14

[root@bogon redis-2.6.14]# ls

00-RELEASENOTES COPYING Makefile redis.conf src

BUGS deps MANIFESTO runtest tests

CONTRIBUTING INSTALL README sentinel.conf utils

[root@bogon redis-2.6.14]# make MALLOC=jemalloc

[root@bogon redis-2.6.14]# make PREFIX=/usr/local/redis install

[root@bogon redis-2.6.14]# ls /usr/local/redis/

bin

[root@bogon redis-2.6.14]# ls /usr/local/redis/bin/

redis-benchmark redis-check-aof redis-check-dump redis-cli redis-server

[root@bogon redis-2.6.14]# tree /usr/local/redis/

/usr/local/redis/

└── bin

├── redis-benchmark

├── redis-check-aof

├── redis-check-dump

├── redis-cli

└── redis-server

[root@bogon redis-2.6.14]# mkdir /usr/local/redis/conf //优化目录结构

[root@bogon redis-2.6.14]# cp redis.conf /usr/local/redis/conf/ //配置其他功能可修改配置文件

[root@bogon redis-2.6.14]# echo "PATH=/usr/local/redis/bin/:$PATH" >> /etc/profile

[root@bogon redis-2.6.14]# . /etc/profile

[root@bogon redis-2.6.14]# which redis-server

/usr/local/redis/bin/redis-server

[root@bogon redis-2.6.14]# redis-server --help //可查看用法

[root@bogon redis-2.6.14]# sysctl vm.overcommit_memory=1 //解决内存小时启动警告问题

[root@bogon redis-2.6.14]# echo "sysctl vm.overcommit_memory=1" >> /etc/sysctl.conf

[root@bogon redis-2.6.14]# cd /usr/local/redis/conf/

[root@bogon redis-2.6.14]# vim redis.conf #默认的配置文件作为实例1

daemonize yes #修改为后台,其他保持默认,

pidfile /var/run/redis.pid

port 6379

[root@bogon redis-2.6.14]# cp redis.conf redis2.conf

[root@bogon redis-2.6.14]# cp redis.conf redis3.conf

[root@bogon redis-2.6.14]# vim redis2.conf #复制一个配置文件作为实例2

daemonize yes #修改为后台

pidfile /var/run/redis2.pid #修改

port 6380 #修改

[root@bogon redis-2.6.14]# vim redis3.conf #再复制一个配置文件作为实例3

daemonize yes #修改为后台

pidfile /var/run/redis2.pid #修改

port 6381 #修改

[root@bogon conf]# redis-server /usr/local/redis/conf/redis.conf #指定配置文件启动

[root@bogon conf]# redis-server /usr/local/redis/conf/redis2.conf #指定配置文件启动

[root@bogon conf]# redis-server /usr/local/redis/conf/redis3.conf #指定配置文件启动

[root@bogon conf]# ps -ef |grep redis

root 3857 1 0 00:01 ? 00:00:00 redis-server /usr/local/redis/conf/redis.conf

root 3861 1 0 00:01 ? 00:00:00 redis-server /usr/local/redis/conf/redis2.conf

root 3865 1 0 00:01 ? 00:00:00 redis-server /usr/local/redis/conf/redis3.conf

root 3869 1406 0 00:01 pts/0 00:00:00 grep redis

[root@bogon conf]# cat /var/run/redis.pid

3857

[root@bogon conf]# cat /var/run/redis2.pid

3861

[root@bogon conf]# cat /var/run/redis3.pid

3865

[root@bogon conf]# netstat -anput |grep redis

tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 3857/redis-server

tcp 0 0 0.0.0.0:6380 0.0.0.0:* LISTEN 3861/redis-server

tcp 0 0 0.0.0.0:6381 0.0.0.0:* LISTEN 3865/redis-server

多实例注意:

1)若用单独杀进程号杀掉单独一个实例,其他实例会正常工作而不受影响,只是当前杀掉的实例不能工作。

2)若用pkill redis-server按服务名杀掉服务,则所有实例都将被杀掉。

2)本地测试存储数据和获得数据:(redis-cli客户端测试)

[root@bogon redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6379

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> set key1 001

OK

redis 192.168.14.128:6379> quit

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6380

redis 192.168.14.128:6380> set key2 002

OK

redis 192.168.14.128:6380> quit

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6381

redis 192.168.14.128:6381> set key3 003

OK

redis 192.168.14.128:6381> quit

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> get key1

"001"

redis 192.168.14.128:6379> del key1

(integer) 1

redis 192.168.14.128:6379> get key1

(nil)

redis 192.168.14.128:6379> quit

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6380

redis 192.168.14.128:6380> get key2

"002"

redis 192.168.14.128:6380> del key2

(integer) 1

redis 192.168.14.128:6380> get key2

(nil)

redis 192.168.14.128:6380> quit

[root@bogon conf]# redis-cli -h 192.168.14.128 -p 6381

redis 192.168.14.128:6381> get key3

"003"

redis 192.168.14.128:6381> del key3

(integer) 1

redis 192.168.14.128:6381> get key3

(nil)

redis 192.168.14.128:6381> quit

3)其他机器192.168.14.129上:作为客户端测试存储数据和获得数据:(redis-cli客户端测试,也需要安装redis,利用里面的客户端工具redis-cli,但不需要启动redis服务)

[root@localhost ~]# yum -y install gcc gcc-c++

[root@localhost ~]# ls

redis-2.6.14.tar.gz

[root@localhost ~]# tar -zxf redis-2.6.14.tar.gz

[root@localhost ~]# ls

redis-2.6.14 redis-2.6.14.tar.gz

[root@localhost ~]# cd redis-2.6.14

[root@localhost redis-2.6.14]# ls

00-RELEASENOTES COPYING Makefile redis.conf src

BUGS deps MANIFESTO runtest tests

CONTRIBUTING INSTALL README sentinel.conf utils

[root@localhost redis-2.6.14]# make MALLOC=jemalloc

[root@localhost redis-2.6.14]# make PREFIX=/usr/local/redis install

[root@localhost redis-2.6.14]# ls /usr/local/redis/

bin

[root@localhost redis-2.6.14]# ls /usr/local/redis/bin/

redis-benchmark redis-check-aof redis-check-dump redis-cli redis-server

[root@localhost redis-2.6.14]# echo "PATH=/usr/local/redis/bin/:$PATH" >> /etc/profile

[root@localhost redis-2.6.14]# . /etc/profile

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> set key1 001

OK

redis 192.168.14.128:6379> quit

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6380

redis 192.168.14.128:6380> set key2 002

OK

redis 192.168.14.128:6380> quit

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6381

redis 192.168.14.128:6381> set key3 003

OK

redis 192.168.14.128:6381> quit

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6379

redis 192.168.14.128:6379> get key1

"001"

redis 192.168.14.128:6379> del key1

(integer) 1

redis 192.168.14.128:6379> get key1

(nil)

redis 192.168.14.128:6379> quit

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6380

redis 192.168.14.128:6380> get key2

"002"

redis 192.168.14.128:6380> del key2

(integer) 1

redis 192.168.14.128:6380> get key2

(nil)

redis 192.168.14.128:6380> quit

[root@localhost redis-2.6.14]# redis-cli -h 192.168.14.128 -p 6381

redis 192.168.14.128:6381> get key3

"003"

redis 192.168.14.128:6381> del key3

(integer) 1

redis 192.168.14.128:6381> get key3

(nil)

redis 192.168.14.128:6381> quit

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