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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