[hadoop@p168 ~]#mkdir /etc/redis/7000
4.建立节点配置文件a.配置7000节点,先复制redis-server与初始配置文件redis.conf,然后修改redis.conf,使其适合集群[hadoop@p168 ~]#cp /usr/local/redis-stable/src/redis-server /usr/local/redis-stable/redis.conf /etc/redis/7000修改redis.conf,主要修改内容如下:[hadoop@p168 ~]#vim /etc/redis/7000/redis.conf#/etc/redis/7000/redis.conf port 7000daemonize yes pidfile /var/run/redis_7000.pidcluster-enabled yescluster-config-file nodes.conflogfile "/var/log/redisd7000.log"dir /etc/redis/7000/cluster-node-timeout 5000appendonly yes b.复制其他节点配置文件#生成7001配置,其他类似cp -r 7000 7001sed -i "s/7000/7001/g" 7001/redis.confcat 7001/redis.conf |grep 7001 5.配置节点开机启动修改redisd7000的启动脚本,7001~7005类似 [hadoop@p168 ~]#cp /usr/local/redis-stable/utils/redis_init_script /etc/init.d/redisd7000[hadoop@p168 ~]#vim /etc/init.d/redisd7000 #!/bin/sh#chkconfig: 2345 90 10#description: Redis is a persistent key-value database## Simple Redis init.d script conceived to work on Linux systems# as it does use of the /proc filesystem. REDISPORT=7000#EXEC=/usr/local/bin/redis-serverEXEC=/etc/redis/${REDISPORT}/redis-serverCLIEXEC=/usr/local/bin/redis-cliPIDFILE=/var/run/redis_${REDISPORT}.pid#CONF="/etc/redis/${REDISPORT}.conf"CONF="/etc/redis/${REDISPORT}/redis.conf"主要修改内容包括如下三点:a.加入前三行即#!/bin/sh#chkconfig: 2345 90 10#description: Redis is a persistent key-value databaseb.修改端口,即
REDISPORT=7000c.指定EXEC与CONF即
EXEC=/etc/redis/${REDISPORT}/redis-serverCONF="/etc/redis/${REDISPORT}/redis.conf"其他的不动,略
cat /etc/init.d/redisd7001 |grep 7001
#设置为开机自启动服务器,其他服务类似[hadoop@p168 ~]#chkconfig redisd7000 on 确认配置文件,重启前应该是如下状态[ ~]# ls /etc/init.d/ |grep redisredisd7000redisd7001redisd7002redisd7003redisd7004redisd7005注:以上文件是6个服务的自动启动脚本[ ~]# tree /etc/redis/etc/redis├── 7000│ ├── redis.conf│ └── redis-server├── 7001│ ├── redis.conf│ └── redis-server├── 7002│ ├── redis.conf│ └── redis-server├── 7003│ ├── redis.conf│ └── redis-server├── 7004│ ├── redis.conf│ └── redis-server├── 7005│ ├── redis.conf│ └── redis-server注:以上目录是各服务器的redis-server可执行程序与其配置文件,若没有tree命令,先 yum install -y tree [hadoop@p168 ~]# reboot重启以后服务应该就启动了,若有需要可以用如下命令来启动或停止服务了service redisd7000 startservice redisd7000 stop 6.安装redis接口#rubygems.org被墙,换ruby.taobao.orggem sources --remove gem sources -a gem install redis 7.建立集群[ redis-stable]# /usr/local/redis-stable/src/redis-trib.rb create --replicas 1 192.168.1.161:7000 192.168.1.161:7001 192.168.1.161:7002 192.168.1.161:7003 192.168.1.161:7004 192.168.1.161:7005>>> Creating cluster>>> Performing hash slots allocation on 6 nodes...Using 3 masters:192.168.1.161:7000192.168.1.161:7001192.168.1.161:7002Adding replica 192.168.1.161:7003 to 192.168.1.161:7000Adding replica 192.168.1.161:7004 to 192.168.1.161:7001Adding replica 192.168.1.161:7005 to 192.168.1.161:7002M: 5f62052fb63b330ae39e35e35fdb5cd5d3f3d013 192.168.1.161:7000 slots:0-5460 (5461 slots) masterM: 925478713e7a73c986dc0c07c01dd7bd63c20f47 192.168.1.161:7001 slots:5461-10922 (5462 slots) masterM: d81817cb1d01695e552ea2fde2a5ac62772d2a08 192.168.1.161:7002 slots:10923-16383 (5461 slots) masterS: 26906db48fba3321374c9d1fa0f3b55730c49ae1 192.168.1.161:7003 replicates 5f62052fb63b330ae39e35e35fdb5cd5d3f3d013S: 94077768fe3ff601722f2970c65b1604c6e714df 192.168.1.161:7004 replicates 925478713e7a73c986dc0c07c01dd7bd63c20f47S: 9259eff3d7d40449830e2de9561e6c77a490f4e0 192.168.1.161:7005 replicates d81817cb1d01695e552ea2fde2a5ac62772d2a08Can I set the above configuration? (type 'yes' to accept): yes>>> Nodes configuration updated>>> Assign a different config epoch to each node>>> Sending CLUSTER MEET messages to join the clusterWaiting for the cluster to join....>>> Performing Cluster Check (using node 192.168.1.161:7000)M: 5f62052fb63b330ae39e35e35fdb5cd5d3f3d013 192.168.1.161:7000 slots:0-5460 (5461 slots) masterM: 925478713e7a73c986dc0c07c01dd7bd63c20f47 192.168.1.161:7001 slots:5461-10922 (5462 slots) masterM: d81817cb1d01695e552ea2fde2a5ac62772d2a08 192.168.1.161:7002 slots:10923-16383 (5461 slots) masterM: 26906db48fba3321374c9d1fa0f3b55730c49ae1 192.168.1.161:7003 slots: (0 slots) master replicates 5f62052fb63b330ae39e35e35fdb5cd5d3f3d013M: 94077768fe3ff601722f2970c65b1604c6e714df 192.168.1.161:7004 slots: (0 slots) master replicates 925478713e7a73c986dc0c07c01dd7bd63c20f47M: 9259eff3d7d40449830e2de9561e6c77a490f4e0 192.168.1.161:7005 slots: (0 slots) master replicates d81817cb1d01695e552ea2fde2a5ac62772d2a08[OK] All nodes agree about slots configuration.>>> Check for open slots...>>> Check slots coverage...[OK] All 16384 slots covered. 8.确认集群状态[ ~]# /usr/local/redis-stable/src/redis-trib.rb check 192.168.1.161:7000>>> Performing Cluster Check (using node 192.168.1.161:7000)M: e3b5e66e28c015552625b7f1b52538da98d16c96 192.168.1.161:7000 slots:0-5460 (5461 slots) master 1 additional replica(s)S: 6dacc2604f22692a9291e3e6e82bee492fbb0817 192.168.1.161:7003 slots: (0 slots) slave replicates e3b5e66e28c015552625b7f1b52538da98d16c96M: 5aa111c270091b474feaf0f11aa8a2e3ff2a5ccc 192.168.1.161:7001 slots:5461-10922 (5462 slots) master 1 additional replica(s)S: 8252ac10b98a2f8d78c6f1b488610b8f789548db 192.168.1.161:7005 slots: (0 slots) slave replicates 6aa2e0cb813a6ed451437ef4203aa669d42ac50cS: 1e179fa5c399dba3eed3e592c5855cf600a648a5 192.168.1.161:7004 slots: (0 slots) slave replicates 5aa111c270091b474feaf0f11aa8a2e3ff2a5cccM: 6aa2e0cb813a6ed451437ef4203aa669d42ac50c 192.168.1.161:7002 slots:10923-16383 (5461 slots) master 1 additional replica(s)[OK] All nodes agree about slots configuration.>>> Check for open slots...>>> Check slots coverage...[OK] All 16384 slots covered. 有错误的话,修复集群[ ~]# /usr/local/redis-stable/src/redis-trib.rb fix 192.168.1.161:7000若要确认输入yes
[ ~]# ps -ef | grep redisroot 26530 13340 0 12:07 pts/1 00:00:03 ./7000/redis-server *:7000 [cluster]root 26914 26538 0 12:07 pts/3 00:00:03 ./7001/redis-server *:7001 [cluster]root 27430 13649 0 12:10 pts/2 00:00:03 ./7002/redis-server *:7002 [cluster]root 27441 26922 0 12:10 pts/4 00:00:03 ./7003/redis-server *:7003 [cluster]root 27732 27448 0 12:10 pts/5 00:00:03 ./7004/redis-server *:7004 [cluster]root 28029 27740 0 12:11 pts/6 00:00:02 ./7005/redis-server *:7005 [cluster]root 28572 5882 0 12:23 pts/0 00:00:00 redis-cli -c -p 7000root 30085 28867 0 12:35 pts/7 00:00:00 grep --color=auto redis [ ~]# netstat -tnlp | grep redistcp 0 0 0.0.0.0:17000 0.0.0.0:* ListEN 26530/./7000/redis- tcp 0 0 0.0.0.0:17001 0.0.0.0:* ListEN 26914/./7001/redis- tcp 0 0 0.0.0.0:17002 0.0.0.0:* ListEN 27430/./7002/redis- tcp 0 0 0.0.0.0:17003 0.0.0.0:* ListEN 27441/./7003/redis- tcp 0 0 0.0.0.0:17004 0.0.0.0:* ListEN 27732/./7004/redis- tcp 0 0 0.0.0.0:17005 0.0.0.0:* ListEN 28029/./7005/redis- tcp 0 0 0.0.0.0:7000 0.0.0.0:* ListEN 26530/./7000/redis- tcp 0 0 0.0.0.0:7001 0.0.0.0:* ListEN 26914/./7001/redis- tcp 0 0 0.0.0.0:7002 0.0.0.0:* ListEN 27430/./7002/redis- tcp 0 0 0.0.0.0:7003 0.0.0.0:* ListEN 27441/./7003/redis- tcp 0 0 0.0.0.0:7004 0.0.0.0:* ListEN 27732/./7004/redis- tcp 0 0 0.0.0.0:7005 0.0.0.0:* ListEN 28029/./7005/redis- tcp6 0 0 :::17000 :::* ListEN 26530/./7000/redis- tcp6 0 0 :::17001 :::* ListEN 26914/./7001/redis- tcp6 0 0 :::17002 :::* ListEN 27430/./7002/redis- tcp6 0 0 :::17003 :::* ListEN 27441/./7003/redis- tcp6 0 0 :::17004 :::* ListEN 27732/./7004/redis- tcp6 0 0 :::17005 :::* ListEN 28029/./7005/redis- tcp6 0 0 :::7000 :::* ListEN 26530/./7000/redis- tcp6 0 0 :::7001 :::* ListEN 26914/./7001/redis- tcp6 0 0 :::7002 :::* ListEN 27430/./7002/redis- tcp6 0 0 :::7003 :::* ListEN 27441/./7003/redis- tcp6 0 0 :::7004 :::* ListEN 27732/./7004/redis- tcp6 0 0 :::7005 :::* ListEN 28029/./7005/redis- 9.打开防火墙端口[ ~]# firewall-cmd --zone=public --add-port=7000-7005/tcp --permanentsuccess[<a href="mailto:root@p161" target="_blank">root@p161 ~]#firewall-cmd --reload
success 10.访问测试[href="mailto:root@p161" target="_blank">root@p161 redis-stable]#redis-cli -c -p 7000127.0.0.1:7000> cluster infocluster_state:okcluster_slots_assigned:16384cluster_slots_ok:16384cluster_slots_pfail:0cluster_slots_fail:0cluster_kNown_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:1cluster_stats_messages_sent:1248cluster_stats_messages_received:1248127.0.0.1:7000> cluster nodes6dacc2604f22692a9291e3e6e82bee492fbb0817 192.168.1.161:7003 slave e3b5e66e28c015552625b7f1b52538da98d16c96 0 1451399924770 4 connected5aa111c270091b474feaf0f11aa8a2e3ff2a5ccc 192.168.1.161:7001 master - 0 1451399923768 2 connected 5461-109228252ac10b98a2f8d78c6f1b488610b8f789548db 192.168.1.161:7005 slave 6aa2e0cb813a6ed451437ef4203aa669d42ac50c 0 1451399922766 6 connected1e179fa5c399dba3eed3e592c5855cf600a648a5 192.168.1.161:7004 slave 5aa111c270091b474feaf0f11aa8a2e3ff2a5ccc 0 1451399925772 5 connectede3b5e66e28c015552625b7f1b52538da98d16c96 192.168.1.161:7000 myself,master - 0 0 1 connected 0-54606aa2e0cb813a6ed451437ef4203aa669d42ac50c 192.168.1.161:7002 master - 0 1451399926776 3 connected 10923-16383127.0.0.1:7000> 11.python测试先安装pip install redis-py-cluster
注意在集群中 pip install redis安装的redis会报错!!!from rediscluster import StrictRedisCluster总结
startup_nodes = [{"host": "192.168.1.161","port": "7000"}]
rc = StrictRedisCluster(startup_nodes=startup_nodes,decode_responses=True)
rc.set("blog","http://blog.csdn.net/dgatiger")
print rc.get('blog')
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