Primero prepare el entorno centos7
ip: 192.168.20.181 192.168.20.182
1. La instalación depende de
yum -y install gcc gcc-c++ wget
2. Crea un directorio
mkdir -p /redis/data
3. Ingrese al directorio, descargue el paquete de instalación de redis y descomprima, compile e instale
cd /redis/data/
wget http://download.redis.io/releases/redis-5.0.2.tar.gz
tar zxf redis-5.0.2.tar.gz
make && make install
4. La misma operación en otra máquina, instale redis para
comenzar la construcción del clúster.
Lo que estamos construyendo aquí es un clúster de redis con tres maestros y tres esclavos, por lo que se requieren 3 nodos maestros y 3 nodos esclavos, y un total de 6 nodos son requeridos.
1 Cree un directorio de clúster en los dos servidores respectivamente
mkdir -p /redis/cluster
cd /redis/cluster/
mkdir 7001 7002 7003
ls
7001 7002 7003
5. Haga lo mismo en otro servidor, cree 7004
, 7005 , 7006 2. Modifique el archivo de configuración
daemonize yes
port 7001（分别对每个机器的端口号进行设置）
dir /redis/cluster/7001/（指定数据文件存放位置，必须要指定不同的目录位置，不然会丢失数据）
cluster-enabled yes（启动集群模式）
cluster-config-file nodes-7001.conf（集群节点信息文件，这里700x最好和port对应上）
cluster-node-timeout 5000
bind 192.168.20.181
protected-mode no （关闭保护模式）
appendonly yes
dbfilename dump_7002.rdb
3. Copie los archivos de configuración modificados a 7001-7003 respectivamente, modifique el puerto de respuesta y el nombre del archivo
cp /redis/data/redis-5.0.2/redis.conf /redis/data/redis-cluster/7001/
cp /redis/data/redis-5.0.2/redis.conf /redis/data/redis-cluster/7002/
cp /redis/data/redis-5.0.2/redis.conf /redis/data/redis-cluster/7003/
4. Inicie redis por separado
cd /redis/redis-5.0.2/src/
./redis-server /redis/cluster/7001/redis.conf
./redis-server /redis/cluster/7002/redis.conf
./redis-server /redis/cluster/7003/redis.conf
ps -ef | grep redis
root 65904 1 0 11:50 ? 00:00:00 ./redis-server 192.168.20.181:7001 [cluster]
root 65909 1 0 11:51 ? 00:00:00 ./redis-server 192.168.20.181:7002 [cluster]
root 65915 1 0 11:51 ? 00:00:00 ./redis-server 192.168.20.181:7003 [cluster]
root 65928 5474 0 11:51 pts/0 00:00:00 grep --color=auto redis
5. Apague el firewall y selinux
systemctl stop firewalld.service
setenforce 0
6. Copie el archivo de configuración en 181 a 182
scp /redis/cluster/7001/redis.conf root@192.168.20.182:/redis/cluster/7004
scp /redis/cluster/7002/redis.conf root@192.168.20.182:/redis/cluster/7005
scp /redis/cluster/7003/redis.conf root@192.168.20.182:/redis/cluster/7006
7. Instala ruby
[root@bogon ~]# yum -y install ruby
[root@bogon ~]# gem install redis
Fetching: redis-4.1.4.gem (100%)
ERROR: Error installing redis:
redis requires Ruby version >= 2.3.0
8. Crea un clúster
[root@bogon ~]# /redis/redis-5.0.2/src/redis-cli --cluster create 192.168.20.181:7001 192.168.20.181:7002 192.168.20.181:7003 192.168.20.182:7004 192.168.20.182:7005 192.168.20.182:7006 --cluster-replicas 1
>>> Performing hash slots allocation on 6 nodes...
Master[0] -> Slots 0 - 5460
Master[1] -> Slots 5461 - 10922
Master[2] -> Slots 10923 - 16383
Adding replica 192.168.20.182:7005 to 192.168.20.181:7001
Adding replica 192.168.20.181:7003 to 192.168.20.182:7004
Adding replica 192.168.20.182:7006 to 192.168.20.181:7002
M: 8190ed94b58c8c0320ec8584ebba0ae6503199fb 192.168.20.181:7001
slots:[0-5460] (5461 slots) master
M: c11233b8a36dc32b0a4de35a4f500acbddd99d08 192.168.20.181:7002
slots:[10923-16383] (5461 slots) master
S: e09d9147ab92d73fb24cd9ad22c5e9a608594134 192.168.20.181:7003
replicates d144cdc1c9c27c0b5935a1b3652ea6e9b78a93c3
M: d144cdc1c9c27c0b5935a1b3652ea6e9b78a93c3 192.168.20.182:7004
slots:[5461-10922] (5462 slots) master
S: eefe3ac899aef116a01cc09d6eeda33ee4d92bd0 192.168.20.182:7005
replicates 8190ed94b58c8c0320ec8584ebba0ae6503199fb
S: 764595d022ebfb64a8f46d05440053f34e91b508 192.168.20.182:7006
replicates c11233b8a36dc32b0a4de35a4f500acbddd99d08
Can 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 cluster
Waiting for the cluster to join
...
>>> Performing Cluster Check (using node 192.168.20.181:7001)
M: 8190ed94b58c8c0320ec8584ebba0ae6503199fb 192.168.20.181:7001
slots:[0-5460] (5461 slots) master
1 additional replica(s)
M: c11233b8a36dc32b0a4de35a4f500acbddd99d08 192.168.20.181:7002
slots:[10923-16383] (5461 slots) master
1 additional replica(s)
S: 764595d022ebfb64a8f46d05440053f34e91b508 192.168.20.182:7006
slots: (0 slots) slave
replicates c11233b8a36dc32b0a4de35a4f500acbddd99d08
M: d144cdc1c9c27c0b5935a1b3652ea6e9b78a93c3 192.168.20.182:7004
slots:[5461-10922] (5462 slots) master
1 additional replica(s)
S: e09d9147ab92d73fb24cd9ad22c5e9a608594134 192.168.20.181:7003
slots: (0 slots) slave
replicates d144cdc1c9c27c0b5935a1b3652ea6e9b78a93c3
S: eefe3ac899aef116a01cc09d6eeda33ee4d92bd0 192.168.20.182:7005
slots: (0 slots) slave
replicates 8190ed94b58c8c0320ec8584ebba0ae6503199fb
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
9. Prueba
[root@bogon ~]# /redis/redis-5.0.2/src/redis-cli -h 192.168.20.181 -p 7001
192.168.20.181:7001> set bb 22
OK
192.168.20.181:7001> get bb
"22"
192.168.20.181:7001>
[root@bogon src]# /redis/redis-5.0.2/src/redis-cli -c -h 192.168.20.182 -p 7006
192.168.20.182:7006> get bb
-> Redirected to slot [1180] located at 192.168.20.181:7001
"22"
192.168.20.181:7001>