redis-5.0.3集群搭建
首先部署redis-5.0.3，请参考我的另一篇文章
https://www.cnblogs.com/djlsunshine/p/10592174.html
启动redis服务
# redis-server /root/redis-5.0.3/redis.conf
[root@localhost ~]# redis-server /root/redis-5.0./redis.conf
:C Mar ::01.274 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::01.274 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::01.274 # Configuration loaded
查看进程
# ps aux | grep redis
[root@localhost ~]# ps aux | grep redis
root 0.0 0.4 ? Ssl : : redis-server 192.168.2.80:
root 0.0 0.0 pts/ S+ : : grep --color=auto redis
创建6个节点
# mkdir cluster-test
# cd cluster-test/
# mkdir 7000 7001 7002 7003 7004 7005
[root@localhost redis-5.0.]# mkdir cluster-test
[root@localhost redis-5.0.]#
[root@localhost redis-5.0.]# ls
-RELEASENOTES cluster-test COPYING dump.rdb Makefile README.md runtest runtest-sentinel src utils
BUGS CONTRIBUTING deps INSTALL MANIFESTO redis.conf runtest-cluster sentinel.conf tests
[root@localhost redis-5.0.]#
[root@localhost redis-5.0.]# cd cluster-test/
[root@localhost cluster-test]#
[root@localhost cluster-test]# mkdir
[root@localhost cluster-test]# ls
分别在这6个节点文件夹下写入redis配置文件
以节点7000为例
port //端口7000,7002,7003
daemonize yes //redis后台运行
bind 192.168.2.80 //设置节点的IP
requirepass 123456 //设置连接节点的密码
appendfilename "appendonly.aof" //aof模式持久化文件的名字（appendonly默认是no，yes就是打开aof持久化）
pidfile /var/run/redis_7000.pid //pidfile文件对应7000,7002,7003
cluster-enabled yes //开启集群
cluster-config-file nodes_7000.conf //集群的配置 配置文件首次启动自动生成 7000,7001,7002
cluster-node-timeout //请求超时 设置5秒够了
appendonly yes //aof日志开启 有需要就开启，它会每次写操作都记录一条日志
启动各节点
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::32.393 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::32.393 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::32.393 # Configuration loaded
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::37.603 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::37.603 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::37.603 # Configuration loaded
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::41.394 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::41.394 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::41.394 # Configuration loaded
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::44.487 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::44.487 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::44.487 # Configuration loaded
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::26.168 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::26.168 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::26.168 # Configuration loaded
[root@localhost ~]#
[root@localhost ~]# redis-server redis-5.0./cluster-test//redis.conf
:C Mar ::31.677 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
:C Mar ::31.677 # Redis version=5.0., bits=, commit=, modified=, pid=, just started
:C Mar ::31.677 # Configuration loaded
[root@localhost ~]#
查看进程信息
[root@localhost ~]# ps aux | grep redis
root 0.2 0.4 ? Ssl Mar25 : redis-server 192.168.2.80:
root 0.1 0.4 ? Ssl : : redis-server *: [cluster]
root 0.1 0.4 ? Ssl : : redis-server *: [cluster]
root 0.1 0.4 ? Ssl : : redis-server *: [cluster]
root 0.1 0.4 ? Ssl : : redis-server *: [cluster]
root 0.2 0.4 ? Ssl : : redis-server *: [cluster]
root 0.1 0.4 ? Ssl : : redis-server *: [cluster]
root 0.0 0.0 pts/ R+ : : grep --color=auto redis
集群创建
# redis-cli --cluster create 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 --cluster-replicas 1
# redis-cli -a 123456 --cluster create 192.168.2.80:7000 192.168.2.80:7001 192.168.2.80:7002 192.168.2.80:7003 192.168.2.80:7004 192.168.2.80:7005 --cluster-replicas 1
--cluster-replicas 1（每个创建的主服务器都有一个从服）
[root@localhost ~]# redis-cli -a --cluster create 192.168.2.80: 192.168.2.80: 192.168.2.80: 192.168.2.80: 192.168.2.80: 192.168.2.80: --cluster-replicas
Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe.
>>> Performing hash slots allocation on nodes...
Master[] -> Slots -
Master[] -> Slots -
Master[] -> Slots -
Adding replica 192.168.2.80: to 192.168.2.80:
Adding replica 192.168.2.80: to 192.168.2.80:
Adding replica 192.168.2.80: to 192.168.2.80:
>>> Trying to optimize slaves allocation for anti-affinity
[WARNING] Some slaves are in the same host as their master
M: 69f17d424b855c3e18265d2c807a7b8e1ad9328d 192.168.2.80:
slots:[-] ( slots) master
M: d59b01f910c2adb972bd380ec07458e1866a248d 192.168.2.80:
slots:[-] ( slots) master
M: 137f1ccf4be0c6479e76befd6b96a72dd642ce75 192.168.2.80:
slots:[-] ( slots) master
S: 83bf3a15381bd624669b3e7f964b1ce26a87e619 192.168.2.80:
replicates 137f1ccf4be0c6479e76befd6b96a72dd642ce75
S: df8c31bc9c417571aa38745349607a366309d208 192.168.2.80:
replicates 69f17d424b855c3e18265d2c807a7b8e1ad9328d
S: 70193c889ce1ea1a4fbd811c101af3208691264f 192.168.2.80:
replicates d59b01f910c2adb972bd380ec07458e1866a248d
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 192.168.2.80:)
M: 69f17d424b855c3e18265d2c807a7b8e1ad9328d 192.168.2.80:
slots:[-] ( slots) master
additional replica(s)
M: d59b01f910c2adb972bd380ec07458e1866a248d 192.168.2.80:
slots:[-] ( slots) master
additional replica(s)
S: 70193c889ce1ea1a4fbd811c101af3208691264f 192.168.2.80:
slots: ( slots) slave
replicates d59b01f910c2adb972bd380ec07458e1866a248d
M: 137f1ccf4be0c6479e76befd6b96a72dd642ce75 192.168.2.80:
slots:[-] ( slots) master
additional replica(s)
S: df8c31bc9c417571aa38745349607a366309d208 192.168.2.80:
slots: ( slots) slave
replicates 69f17d424b855c3e18265d2c807a7b8e1ad9328d
S: 83bf3a15381bd624669b3e7f964b1ce26a87e619 192.168.2.80:
slots: ( slots) slave
replicates 137f1ccf4be0c6479e76befd6b96a72dd642ce75
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All slots covered.
查看redis监听端口
# netstat -tnlp | grep redis
[root@localhost ~]# netstat -tnlp | grep redis
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 192.168.2.80: 0.0.0.0:* LISTEN /redis-server
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp 0.0.0.0: 0.0.0.0:* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
tcp6 ::: :::* LISTEN /redis-server *
查看集群节点的常用参数
# redis-cli --cluster help
[root@localhost ~]# redis-cli --cluster help
Cluster Manager Commands:
create host1:port1 ... hostN:portN
--cluster-replicas <arg>
check host:port
--cluster-search-multiple-owners
info host:port
fix host:port
--cluster-search-multiple-owners
reshard host:port
--cluster-from <arg>
--cluster-to <arg>
--cluster-slots <arg>
--cluster-yes
--cluster-timeout <arg>
--cluster-pipeline <arg>
--cluster-replace
rebalance host:port
--cluster-weight <node1=w1...nodeN=wN>
--cluster-use-empty-masters
--cluster-timeout <arg>
--cluster-simulate
--cluster-pipeline <arg>
--cluster-threshold <arg>
--cluster-replace
add-node new_host:new_port existing_host:existing_port
--cluster-slave
--cluster-master-id <arg>
del-node host:port node_id
call host:port command arg arg .. arg
set-timeout host:port milliseconds
import host:port
--cluster-from <arg>
--cluster-copy
--cluster-replace
help For check, fix, reshard, del-node, set-timeout you can specify the host and port of any working node in the cluster. [root@localhost ~]#
官方文档地址：
https://redis.io/topics/cluster-tutorial
参考文章：
https://www.cnblogs.com/yuanermen/p/5717885.html
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