安装redis
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安装redis
官网下载redis,解压缩，让进目录，make完事。[[email protected] data]# tar redis-3.2.12.tar.gz
[[email protected] data]# cd redis-3.2.12 [[email protected] redis-3.2.12]# make [[email protected] redis-3.2.12]# pwd /data/redis-3.2.12 [[email protected] redis-3.2.12]# mkdir redis6380 [[email protected] redis-3.2.12]# pwd /data/redis-3.2.12 [[email protected] redis-3.2.12]# cp -rf redis.conf /data/redis6380/ [[email protected] src]# pwd /data/redis-3.2.12/src [[email protected] src]# cp src/redis-server /data/redis6380/ [[email protected] redis6380]# pwd /data/redis6380 [[email protected] redis6380]# grep ‘^[^$|#;]‘ redis.conf > redis.conf2 [[email protected] redis6380]# mv redis.conf redis.confbak [[email protected] redis6380]# mv redis.conf2 redis.conf [[email protected] redis6380]# ll total 5124 -rw-r--r-- 1 root root 1170 Sep 4 20:24 redis.conf -rw-r--r-- 1 root root 46695 Sep 4 20:16 redis.confbak -rwxr-xr-x 1 root root 5192400 Sep 4 20:16 redis-server [[email protected] redis6380]# vim redis.conf [[email protected] redis6380]# ./redis-server redis.conf _._ _.-``__ ‘‘-._ _.-`` `. `_. ‘‘-._ Redis 3.2.12 (00000000/0) 64 bit .-`` .-```. ```/ _.,_ ‘‘-._ ( ‘ , .-` | `, ) Running in standalone mode |`-._`-...-` __...-.``-._|‘` _.-‘| Port: 6380 | `-._ `._ / _.-‘ | PID: 30112 `-._ `-._ `-./ _.-‘ _.-‘ |`-._`-._ `-.__.-‘ _.-‘_.-‘| | `-._`-._ _.-‘_.-‘ | http://redis.io `-._ `-._`-.__.-‘_.-‘ _.-‘ |`-._`-._ `-.__.-‘ _.-‘_.-‘| | `-._`-._ _.-‘_.-‘ | `-._ `-._`-.__.-‘_.-‘ _.-‘ `-._ `-.__.-‘ _.-‘ [[email protected] redis6380]# vim redis.conf [[email protected] redis6380]# ./redis-server redis.conf [[email protected] redis6380]# netstat -lnpt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:6379 0.0.0.0:* LISTEN 27045/redis-server tcp 0 0 127.0.0.1:6380 0.0.0.0:* LISTEN 30117/./redis-serve tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1199/sshd tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 23187/master tcp6 0 0 :::80 :::* LISTEN 1671/docker-proxy-c tcp6 0 0 :::25 :::* LISTEN 23187/master [[email protected] redis6380]# ll total 5128 -rw-r--r-- 1 root root 77 Sep 4 20:26 dump.rdb -rw-r--r-- 1 root root 1171 Sep 4 20:26 redis.conf -rw-r--r-- 1 root root 46695 Sep 4 20:16 redis.confbak -rwxr-xr-x 1 root root 5192400 Sep 4 20:16 redis-server [[email protected] redis6380]# whereis redis-cli redis-cli: /usr/bin/redis-cli /usr/share/man/man1/redis-cli.1.gz [[email protected] redis6380]# redis-cli dump.rdb redis.conf redis.confbak redis-server [[email protected] redis6380]# redis-cli --help redis-cli 3.2.12 Usage: redis-cli [OPTIONS] [cmd [arg [arg ...]]] -h <hostname> Server hostname (default: 127.0.0.1). -p <port> Server port (default: 6379). -s <socket> Server socket (overrides hostname and port). -a <password> Password to use when connecting to the server. -r <repeat> Execute specified command N times. -i <interval> When -r is used, waits <interval> seconds per command. It is possible to specify sub-second times like -i 0.1. -n <db> Database number. -x Read last argument from STDIN. -d <delimiter> Multi-bulk delimiter in for raw formatting (default: ). -c Enable cluster mode (follow -ASK and -MOVED redirections). --raw Use raw formatting for replies (default when STDOUT is [[email protected] redis6380]# redis-cli 127.0.0.1:6379> [[email protected] redis6380]# redis-cli -p 6380 127.0.0.1:6380> set foo sb OK 127.0.0.1:6380> get foo "sb"
redis集群
脚本创建6个节点，并修改配置文件
[[email protected] data]# more cluster.sh #!/bin/bash rm -rf /data/700* for no in 0 1 2 3 4 5;do cp -r redis6380/ 700$no;done for no in 0 1 2 3 4 5;do rm -rf 700$no/dump.rdb;done for no in 0 1 2 3 4 5 do cd /data/700$no sed -i "s/port 6380/port 700$no/g" redis.conf echo "cluster-enabled yes" >> redis.conf echo "cluster-config-file nodes.conf" >> redis.conf echo "cluster-node-timeout 5000" >> redis.conf sed -i "s/appendonly no/appendonly yes/g" redis.conf sed -i "s/redis_6380.pid/redis_700$no.pid/g" redis.conf sed -i "/^dir/d" redis.conf echo ‘dir "./"‘ >> redis.conf done [[email protected] data]#
启动6个节点：
[[email protected] data]# for no in 0 1 2 3 4 5;do cd /data/700$no && ./redis-server ./redis.conf;done [[email protected] data]# netstat -lnpt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:17003 0.0.0.0:* LISTEN 2536/./redis-server tcp 0 0 0.0.0.0:17004 0.0.0.0:* LISTEN 30492/./redis-serve tcp 0 0 0.0.0.0:17005 0.0.0.0:* LISTEN 30494/./redis-serve tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1199/sshd tcp 0 0 0.0.0.0:7000 0.0.0.0:* LISTEN 2504/./redis-server tcp 0 0 0.0.0.0:7001 0.0.0.0:* LISTEN 30486/./redis-serve tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 23187/master tcp 0 0 0.0.0.0:7002 0.0.0.0:* LISTEN 30488/./redis-serve tcp 0 0 0.0.0.0:7003 0.0.0.0:* LISTEN 2536/./redis-server tcp 0 0 0.0.0.0:7004 0.0.0.0:* LISTEN 30492/./redis-serve tcp 0 0 0.0.0.0:7005 0.0.0.0:* LISTEN 30494/./redis-serve tcp 0 0 0.0.0.0:17000 0.0.0.0:* LISTEN 2504/./redis-server tcp 0 0 0.0.0.0:17001 0.0.0.0:* LISTEN 30486/./redis-serve tcp 0 0 0.0.0.0:17002 0.0.0.0:* LISTEN 30488/./redis-serve tcp6 0 0 :::80 :::* LISTEN 1671/docker-proxy-c tcp6 0 0 :::25 :::* LISTEN 23187/master
创建集群脚本是ruby写的，需要系统安装高于2.2.以上版本的ruby,ruby版本低会报以下错误。
创建redis集群报错 /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:55:in `require‘: cannot load suc
升级ruby步骤：
1、sudo yum install curl 安装curl 2、下载rvm curl -sSL https://get.rvm.io | bash -s stable 3、查找配置文件 find / -name rvm.sh 4、配置文件生效 source /etc/profile.d/rvm.sh 5、下载rvm依赖 rvm requirements 6、查看rvm库ruby版本 rvm list known 7、安装ruby指定版本 rvm install ruby-2.4.1 8、使用ruby版本默认 rvm use 2.4.1 default 9、gem install redis
然后从新创建集群输入yes成功，查看集群节点状态。有master和slave
[[email protected] data]# /data/redis-3.2.12/src/redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 [[email protected] data]# redis-cli -c -h 127.0.0.1 -p 7002 127.0.0.1:7002> set foo2 www -> Redirected to slot [1044] located at 127.0.0.1:7003 OK 127.0.0.1:7003> get foo2 "www" 127.0.0.1:7003> [[email protected] data]# redis-cli -p 7000 cluster nodes 7a295ffed325031866332c1f686c7eb26f7c6123 127.0.0.1:7001 master - 0 1536073555336 2 connected 5461-10922 9a711fa99b06b625abe31a1ce721b469152801e8 127.0.0.1:7004 slave 7a295ffed325031866332c1f686c7eb26f7c6123 0 1536073553834 5 connected 701a613bdaeeafca902595d8a75f61c174577879 127.0.0.1:7005 slave 20364419bce097b62c957d816c326cc4bc634505 0 1536073553333 6 connected 20364419bce097b62c957d816c326cc4bc634505 127.0.0.1:7002 master - 0 1536073554836 3 connected 10923-16383 302ae0e7b28c656dca312cc2b2eb860729a5cb98 127.0.0.1:7003 master - 0 1536073554836 7 connected 0-5460 2433185edac6e587ec4942c4608948c8b898c1aa 127.0.0.1:7000 myself,slave 302ae0e7b28c656dca312cc2b2eb860729a5cb98 0 0 1 connected [[email protected] data]#
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