Two server clusters to build redis 5.0.4

Both servers set up redis clusters

1 , two servers are new directory: usr / local / Redis-Cluster

2 , download and extract the source code compiler (using redis version 5.0.4 )

3 , takes xzf redis-5.0.4.tar.gz

4 , cd-repeat 5.0.4

5make & make install

Test compilation: error found

6cd src

      make test

    CC Makefile.dep

You need tcl 8.5 or newer in order to run the Redis test

make: *** [test] Error 1

Cause of the problem: the lack of dependence, installation

7yum install tcl

8 , once again test compilation ok

make test

\o/ All tests passed without errors!

Cleanup: may take some time... OK

 

9 , thus , can be started redis up , the default start mode for a front end starts , instructions are as follows

cd usr/local/bin

./redis-server

10 , to verify the success of start

ps -ef | grip Redis

11 , an error

A , run redis-server error bash: redis-server: command not found

This is because the system usr / local / bin does not command file directory, which you want usr / local / redis-cluster / redis / redis-5.0.4 / bin under Redis-Server , Redis-cli , Redis-Benchmark , Redis-Check-AOF , Redis-Check-RDB , Redis Sentinel- copy executable files to local / bin under

c , so modify redis.conf in the daemonize changed to yes

 

12 , front-end start, then , if the client is closed , redis service will be stopped , only to open a new window or into the background start Redis .

Specific approach in two steps ->

The first step : the redis unzip the file inside redis.conf copy the file to the current directory, modify redis.conf in the daemonize changed to yes

Step Two: Start

13 , creating a cluster directory

Two servers in redis-cluster created under each 7001,7002,7003 // 7004,7005,7006 directory

mkdir 7001 7002 7003

mkdir 7004 7005 7006

14 , first redis.conf parameters to be modified

1)、daemonize 设置yes   设置后台运行redis

2)、cluster-enabled 设置yes并去掉注释  (启动集群模式)         

3)、cluster-node-timeout 设置5000并去掉注释    

4)、bind 127.0.0.1(默认ip127.0.0.1 需要改为其他节点机器可访问的ip 否则创建集群时无法访问对应的端口,无法创建集群 )

5)、protected-mode设置 no(关闭保护模式)需要不同服务器的节点连通,这个就要设置为 no

6)、appendonly 设置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 

15、复制redis.conf

分别复制redis.conf文件到7001-7006目录下

 根据不同端口需要个性化设置的地方(可以批量替换)

1)、port 7001(分别对每个机器的端口号进行设置)

2)、设置pidfile存放在 run目录下的文件名  pidfile  /var/run/redis_7001.pid

3)、logfile /var/log/redis/redis_7001.log

4)、dbfilename dump_7001.rdb

5)、appendfilename "appendonly_7001.aof"

6)、cluster-config-file nodes-7001.conf(集群节点信息文件) 去掉注释

16、创建集群

1)、先对每台服务器的端口进行开放

输入命令行: uname

会出现系统的名称

再输入

cat /etc/redhat-release 

则会出现具体系统

vim /etc/sysconfig/iptables

“I”键输入命令行:

-A INPUT -m state --state NEW -m tcp -p tcp --dport 7001 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport 7002 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport 7003 -j ACCEPT

....

注意BUG点:新开放的端口行一定要在端口行22的下面一行

2)、关闭防火墙

重启防火墙使配置生效:

[root@Neo777 ~]# /etc/init.d/iptables restart

查看开放端口 

[root@Neo777 ~]# /etc/init.d/iptables status

关闭防火墙命令为:

[root@Neo777 ~]# /etc/init.d/iptables stop

3)、创建集群

./redis-cli --cluster create 172.25.44.10:7001 172.25.44.10:7002 172.25.44.10:7003 172.25.44.11:7004 172.25.44.11:7005 172.25.44.11:7006 --cluster-replicas 1

留意屏幕,会有一句(type 'yes' to accept),输入 yes ,回车,就是接受自动分配的三主三从

如果最后出现

[OK] All nodes agree about slots configuration.

>>> Check for open slots...

>>> Check slots coverage...

[OK] All 16384 slots covered.

说明成功了。

如果是出现

Waiting for the cluster to join...........

一直有 “.”出现,说明另一台服务器的端口策略没通,一直在等那边的节点加入集群,那么恭喜你,要悲剧了.....

 

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Origin www.cnblogs.com/liuqi-beijing/p/11232243.html