redis4.0.1集群安装部署

安装环境

序号	项目	值
1	OS版本	Red Hat Enterprise Linux Server release 7.1 (Maipo)
2	内核版本	3.10.0-229.el7.x86_64
3	Redis	redis-4.0.1
4	Ruby	ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-linux]

节点信息规划

本来只准备部署7001-7004 4个实例，但是redis集群提示最少需要3个主节点，6个节点才能完成启动，所以后面2个是后来加的。

注意：这里因为是测试环境，所以将所有实例都放在了一台机器上，生产建议主备节点不要放在一台机器上

序号	IP地址	端口	主备	节点配置文件
1	192.168.9.216	7001	主	/opt/redis-cluster/nodes-7001/redis.conf
2	192.168.9.216	7002	主	/opt/redis-cluster/nodes-7002/redis.conf
3	192.168.9.216	7003	主	/opt/redis-cluster/nodes-7003/redis.conf
4	192.168.9.216	7004	备	/opt/redis-cluster/nodes-7004/redis.conf
5	192.168.9.216	7005	备	/opt/redis-cluster/nodes-7005/redis.conf
6	192.168.9.216	7006	备	/opt/redis-cluster/nodes-7006/redis.conf

环境安装(按照正常安装步骤，碰到问题再解决)

1.下载redis-4.0.1.tar.gz源码包

[root@elk01 opt]# wget http://download.redis.io/releases/redis-4.0.1.tar.gz

--2017-10-26 09:33:23--  http://download.redis.io/releases/redis-4.0.1.tar.gz

Resolving download.redis.io (download.redis.io)... 109.74.203.151

Connecting to download.redis.io (download.redis.io)|109.74.203.151|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 1711660 (1.6M) [application/x-gzip]

Saving to: ‘redis-4.0.1.tar.gz’

100%[======================================================>] 1,711,660    426KB/s   in 3.9s

2017-10-26 09:33:28 (426 KB/s) - ‘redis-4.0.1.tar.gz’ saved [1711660/1711660]

[root@elk01 opt]# ll redis-4.0.1.tar.gz

-rw-r--r-- 1 root root 1711660 Jul 24 21:59 redis-4.0.1.tar.gz

2.解压并安装

[root@elk01 opt]# pwd

/opt

[root@elk01 opt]# tar xf redis-4.0.1.tar.gz

[root@elk01 opt]# cd redis-4.0.1

[root@elk01 redis-4.0.1]# ll

total 272

-rw-rw-r--  1 root root 127778 Jul 24 21:58 00-RELEASENOTES

-rw-rw-r--  1 root root     53 Jul 24 21:58 BUGS

-rw-rw-r--  1 root root   1815 Jul 24 21:58 CONTRIBUTING

-rw-rw-r--  1 root root   1487 Jul 24 21:58 COPYING

drwxrwxr-x  6 root root    117 Jul 24 21:58 deps

-rw-rw-r--  1 root root     11 Jul 24 21:58 INSTALL

-rw-rw-r--  1 root root    151 Jul 24 21:58 Makefile

-rw-rw-r--  1 root root   4223 Jul 24 21:58 MANIFESTO

-rw-rw-r--  1 root root  20530 Jul 24 21:58 README.md

-rw-rw-r--  1 root root  57764 Jul 24 21:58 redis.conf

-rwxrwxr-x  1 root root    271 Jul 24 21:58 runtest

-rwxrwxr-x  1 root root    280 Jul 24 21:58 runtest-cluster

-rwxrwxr-x  1 root root    281 Jul 24 21:58 runtest-sentinel

-rw-rw-r--  1 root root   7606 Jul 24 21:58 sentinel.conf

drwxrwxr-x  3 root root   4096 Jul 24 21:58 src

drwxrwxr-x 10 root root   4096 Jul 24 21:58 tests

drwxrwxr-x  8 root root   4096 Jul 24 21:58 utils

#执行make命令

如果没有报错可以执行make test命令

[root@elk01 redis-4.0.1]# make test

cd src && make test

make[1]: Entering directory `/opt/redis-4.0.1/src'

You need tcl 8.5 or newer in order to run the Redis test  #提示需要tcl

make[1]: *** [test] Error 1

make[1]: Leaving directory `/opt/redis-4.0.1/src'

make: *** [test] Error 2

# yum安装tcl

[root@elk01 redis-4.0.1]# yum install -y tcl

…

Installed:

  tcl.x86_64 1:8.5.13-8.el7

Complete!

[root@elk01 redis-4.0.1]# make test

…

\o/ All tests passed without errors!

Cleanup: may take some time... OK

make[1]: Leaving directory `/opt/redis-4.0.1/src'

#将redis的执行脚本拷贝到PATH变量所在的目录

[root@elk01 redis]# cp -a src/redis-server src/redis-cli src/redis-sentinel src/redis-trib.rb src/redis-check-aof src/redis-check-rdb src/redis-benchmark /usr/local/bin/

3.配置redis集群文件

[root@elk01 redis-4.0.1]# mkdir redis-cluster

You have mail in /var/spool/mail/root

[root@elk01 redis-4.0.1]# mkdir redis-cluster/nodes-{7001,7002,7003,7004}

[root@elk01 redis-4.0.1]# ll redis-cluster/

total 0

drwxr-xr-x 2 root root 6 Oct 26 13:27 nodes-7001

drwxr-xr-x 2 root root 6 Oct 26 13:27 nodes-7002

drwxr-xr-x 2 root root 6 Oct 26 13:27 nodes-7003

drwxr-xr-x 2 root root 6 Oct 26 13:27 nodes-7004

[root@elk01 redis-4.0.1]# mv redis-cluster /opt/

[root@elk01 redis-4.0.1]# cd /opt/

[root@elk01 opt]# ln -s redis-4.0.1 redis

#按需修改配置文件(以nodes-7001实例为例)

[root@elk01 nodes-7001]# egrep -v "^#|^$" redis.conf

bind 127.0.0.1 192.168.9.216

protected-mode yes

port 7001

tcp-backlog 511

timeout 0

tcp-keepalive 300

daemonize yes

supervised no

pidfile redis_7001.pid

loglevel notice

logfile "/opt/redis-cluster/nodes-7001/redis_7001.log"

databases 16

always-show-logo yes

save 900 1

save 300 10

save 60 10000

stop-writes-on-bgsave-error yes

rdbcompression yes

rdbchecksum yes

dbfilename dump.rdb

dir /opt/redis-cluster/nodes-7001/

slave-serve-stale-data yes

slave-read-only yes

repl-diskless-sync no

repl-diskless-sync-delay 5

repl-disable-tcp-nodelay no

slave-priority 100

lazyfree-lazy-eviction no

lazyfree-lazy-expire no

lazyfree-lazy-server-del no

slave-lazy-flush no

appendonly yes

appendfilename "appendonly.aof"

appendfsync everysec

no-appendfsync-on-rewrite no

auto-aof-rewrite-percentage 100

auto-aof-rewrite-min-size 64mb

aof-load-truncated yes

aof-use-rdb-preamble no

lua-time-limit 5000

cluster-enabled yes

cluster-config-file nodes-7001.conf

cluster-node-timeout 15000

cluster-slave-validity-factor 10

slowlog-log-slower-than 10000

slowlog-max-len 128

latency-monitor-threshold 0

notify-keyspace-events ""

hash-max-ziplist-entries 512

hash-max-ziplist-value 64

list-max-ziplist-size -2

list-compress-depth 0

set-max-intset-entries 512

zset-max-ziplist-entries 128

zset-max-ziplist-value 64

hll-sparse-max-bytes 3000

activerehashing yes

client-output-buffer-limit normal 0 0 0

client-output-buffer-limit slave 256mb 64mb 60

client-output-buffer-limit pubsub 32mb 8mb 60

hz 10

aof-rewrite-incremental-fsync yes

4.启动redis及创建集群

依次启动各个redis实例

#启动redis实例

[root@elk01 redis-cluster]# redis-server /opt/redis-cluster/nodes-7002/redis.conf

[root@elk01 redis-cluster]# ll nodes-7002/ #里面新增了一些文件

total 72

-rw-r--r-- 1 root root     0 Oct 26 14:20 appendonly.aof

-rw-r--r-- 1 root root   114 Oct 26 14:20 nodes-7002.conf #自动生成的集群配置文件

-rw-r--r-- 1 root root  2555 Oct 26 14:20 redis_7002.log

-rw-r--r-- 1 root root     6 Oct 26 14:20 redis_7002.pid

-rw-r--r-- 1 root root 57834 Oct 26 14:19 redis.conf

[root@elk01 redis-cluster]# ps -ef | grep redis

root     15721     1  0 14:04 ?        00:00:01 redis-server *:7001 [cluster]

root     19526     1  0 14:20 ?        00:00:00 redis-server *:7002 [cluster]

root     20117     1  0 14:23 ?        00:00:00 redis-server *:7003 [cluster]

root     20124     1  0 14:23 ?        00:00:00 redis-server *:7004 [cluster]

#创建redis集群

创建redis集群使用redis-trib.rb命令，该命令是基于ruby的脚本，需要安装ruby，ruby-gem以及gem-redis

[root@elk01 redis-cluster]# redis-trib.rb create --replicas 1 192.168.9.216:7001 192.168.9.216:7002 192.168.9.216:7003 192.168.9.216:7004

/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- redis (LoadError)

    from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:55:in `require'

    from /usr/local/bin/redis-trib.rb:25:in `<main>'

#卸载老版本ruby2.0.0，安装ruby2.2.2以上版本

[root@elk01 ~]# ruby -v

ruby 2.0.0p648 (2015-12-16) [x86_64-linux]

[root@elk01 ~]# rpm -qa | grep ruby

ruby-libs-2.0.0.648-29.el7.x86_64

rubygem-bigdecimal-1.2.0-29.el7.x86_64

rubygems-2.0.14.1-29.el7.noarch

rubygem-psych-2.0.0-29.el7.x86_64

rubygem-json-1.7.7-29.el7.x86_64

ruby-irb-2.0.0.648-29.el7.noarch

rubygem-io-console-0.4.2-29.el7.x86_64

ruby-2.0.0.648-29.el7.x86_64

rubygem-rdoc-4.0.0-29.el7.noarch

[root@elk01 ~]# yum erase ruby

…

[root@elk01 ~]# rpm -qa | grep ruby

ruby-libs-2.0.0.648-29.el7.x86_64

#安装新版本ruby

[root@elk01 ruby-2.3.4]# pwd

/root/ruby-2.3.4

[root@elk01 ruby-2.3.4]# ./configure

…

checking for nroff... /usr/bin/nroff

.ext/include/x86_64-linux/ruby/config.h unchanged

configure: ruby library version = 2.3.0

configure: creating ./config.status

config.status: creating GNUmakefile

config.status: creating Makefile

config.status: creating ruby-2.3.pc

[root@elk01 ruby-2.3.4]# make && make install

…

installing bundle gems:       /usr/local/lib/ruby/gems/2.3.0 (build_info, cache, doc, extensions, gems, specifications)

                              did_you_mean 1.0.0

                              power_assert 0.2.6

                              test-unit 3.1.5

                              net-telnet 0.1.1

                              minitest 5.8.5

                              rake 10.4.2

installing rdoc:              /usr/local/share/ri/2.3.0/system

installing capi-docs:         /usr/local/share/doc/ruby

[root@elk01 ruby-2.3.4]# ruby -v

ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-linux] #新版本ruby

#安装ruby-redis.gem

推荐：如果默认国外的gem源连不上或者很慢，可以试试国内源

添加国内源命令：gem source -a https://gems.ruby-china.org

删除国外源并添加国内源：gem sources --add https://gems.ruby-china.org/ --remove https://rubygems.org/

#检测gem源，注意RubyGems源尽量用新版本，官方建议2.6.X，但是我用2.5.2也没什么问题

[root@elk01 redis-cluster]# gem source -l

*** CURRENT SOURCES ***

https://rubygems.org/ #国外源

https://gems.ruby-china.org #国内源

[root@elk01 ruby-2.3.4]# gem install redis

Fetching: redis-4.0.1.gem (100%)

Successfully installed redis-4.0.1

Parsing documentation for redis-4.0.1

Installing ri documentation for redis-4.0.1

Done installing documentation for redis after 1 seconds

1 gem installed

[root@elk01 redis-cluster]# redis-trib.rb create --replicas 1 192.168.9.216:7001 192.168.9.216:7002 192.168.9.216:7003 192.168.9.216:7004

>>> Creating cluster

*** ERROR: Invalid configuration for cluster creation. #错误表示redis集群至少要3个主，6个节点

*** Redis Cluster requires at least 3 master nodes.

*** This is not possible with 4 nodes and 1 replicas per node.

*** At least 6 nodes are required.

#新增两个节点

[root@elk01 redis-cluster]# mkdir nodes-7005

[root@elk01 redis-cluster]# mkdir nodes-7006

You have mail in /var/spool/mail/root

[root@elk01 redis-cluster]# cp nodes-7001/redis.conf nodes-7005/

[root@elk01 redis-cluster]# cp nodes-7001/redis.conf nodes-7006/

[root@elk01 redis-cluster]# vim nodes-7005/redis.conf

[root@elk01 redis-cluster]# vim nodes-7006/redis.conf

[root@elk01 redis-cluster]# ll

total 0

drwxr-xr-x 2 root root 123 Oct 26 17:30 nodes-7001

drwxr-xr-x 2 root root 123 Oct 26 17:31 nodes-7002

drwxr-xr-x 2 root root 123 Oct 26 17:31 nodes-7003

drwxr-xr-x 2 root root 123 Oct 26 17:31 nodes-7004

drwxr-xr-x 2 root root  23 Oct 26 17:33 nodes-7005

drwxr-xr-x 2 root root  23 Oct 26 17:33 nodes-7006

[root@elk01 redis-cluster]# redis-server /opt/redis-cluster/nodes-7005/redis.conf

[root@elk01 redis-cluster]# redis-server /opt/redis-cluster/nodes-7006/redis.conf

[root@elk01 redis-cluster]# ps -ef | grep redis

root     19865     1  0 17:30 ?        00:00:00 redis-server 127.0.0.1:7001 [cluster]

root     19963     1  0 17:31 ?        00:00:00 redis-server 127.0.0.1:7002 [cluster]

root     20055     1  0 17:31 ?        00:00:00 redis-server 127.0.0.1:7003 [cluster]

root     20117     1  0 17:31 ?        00:00:00 redis-server 127.0.0.1:7004 [cluster]

root     20831     1  0 17:34 ?        00:00:00 redis-server 127.0.0.1:7005 [cluster]

root     20839     1  0 17:34 ?        00:00:00 redis-server 127.0.0.1:7006 [cluster]

#创建集群成功

[root@elk01 redis-cluster]# redis-trib.rb create --replicas 1 192.168.9.216:7001 192.168.9.216:7002 192.168.9.216:7003 192.168.9.216:7004 192.168.9.216:7005 192.168.9.216:7006

>>> Creating cluster

>>> Performing hash slots allocation on 6 nodes...

Using 3 masters:

192.168.9.216:7001

192.168.9.216:7002

192.168.9.216:7003

Adding replica 192.168.9.216:7004 to 192.168.9.216:7001

Adding replica 192.168.9.216:7005 to 192.168.9.216:7002

Adding replica 192.168.9.216:7006 to 192.168.9.216:7003

M: 23df12c2bafde34f5bdd53d3463ad20b8ab507d2 192.168.9.216:7001

   slots:0-5460 (5461 slots) master

M: 82b493cdc4d76f3ff4dbe91240290e2c3939f1ef 192.168.9.216:7002

   slots:5461-10922 (5462 slots) master

M: 7b9d9f8378cb0b27134cae105ccd59146d386739 192.168.9.216:7003

   slots:10923-16383 (5461 slots) master

S: 71a66eff2283d417373e90ed372d2de8703bf226 192.168.9.216:7004

   replicates 23df12c2bafde34f5bdd53d3463ad20b8ab507d2

S: 2c80b6ac34a9d6c38ff425e4cb830ba579740831 192.168.9.216:7005

   replicates 82b493cdc4d76f3ff4dbe91240290e2c3939f1ef

S: 44976e464ce8146f7a6932faad2f4ad3c9bdd06d 192.168.9.216:7006

   replicates 7b9d9f8378cb0b27134cae105ccd59146d386739

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 192.168.9.216:7001)

M: 23df12c2bafde34f5bdd53d3463ad20b8ab507d2 192.168.9.216:7001

   slots:0-5460 (5461 slots) master

   1 additional replica(s)

M: 82b493cdc4d76f3ff4dbe91240290e2c3939f1ef 127.0.0.1:7002

   slots:5461-10922 (5462 slots) master

   1 additional replica(s)

S: 71a66eff2283d417373e90ed372d2de8703bf226 127.0.0.1:7004

   slots: (0 slots) slave

   replicates 23df12c2bafde34f5bdd53d3463ad20b8ab507d2

S: 44976e464ce8146f7a6932faad2f4ad3c9bdd06d 127.0.0.1:7006

   slots: (0 slots) slave

   replicates 7b9d9f8378cb0b27134cae105ccd59146d386739

S: 2c80b6ac34a9d6c38ff425e4cb830ba579740831 127.0.0.1:7005

   slots: (0 slots) slave

   replicates 82b493cdc4d76f3ff4dbe91240290e2c3939f1ef

M: 7b9d9f8378cb0b27134cae105ccd59146d386739 127.0.0.1:7003

   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.

5.测试集群

[root@elk01 redis-cluster]# redis-cli -c -p 7001  #登录集群，-c参数是必需的

127.0.0.1:7001> CLUSTER info

cluster_state:ok

cluster_slots_assigned:16384

cluster_slots_ok:16384

cluster_slots_pfail:0

cluster_slots_fail:0

cluster_known_nodes:6

cluster_size:3

cluster_current_epoch:6

cluster_my_epoch:1

cluster_stats_messages_ping_sent:115

cluster_stats_messages_pong_sent:125

cluster_stats_messages_sent:240

cluster_stats_messages_ping_received:120

cluster_stats_messages_pong_received:115

cluster_stats_messages_meet_received:5

cluster_stats_messages_received:240

127.0.0.1:7001> CLUSTER nodes

82b493cdc4d76f3ff4dbe91240290e2c3939f1ef 127.0.0.1:7002@17002 master - 0 1509010649120 2 connected 5461-10922

71a66eff2283d417373e90ed372d2de8703bf226 127.0.0.1:7004@17004 slave 23df12c2bafde34f5bdd53d3463ad20b8ab507d2 0 1509010648118 4 connected

44976e464ce8146f7a6932faad2f4ad3c9bdd06d 127.0.0.1:7006@17006 slave 7b9d9f8378cb0b27134cae105ccd59146d386739 0 1509010650123 6 connected

2c80b6ac34a9d6c38ff425e4cb830ba579740831 127.0.0.1:7005@17005 slave 82b493cdc4d76f3ff4dbe91240290e2c3939f1ef 0 1509010651126 5 connected

7b9d9f8378cb0b27134cae105ccd59146d386739 127.0.0.1:7003@17003 master - 0 1509010649000 3 connected 10923-16383

23df12c2bafde34f5bdd53d3463ad20b8ab507d2 192.168.9.216:7001@17001 myself,master - 0 1509010649000 1 connected 0-5460

127.0.0.1:7001> set foo bar

-> Redirected to slot [12182] located at 127.0.0.1:7003

OK

127.0.0.1:7003> get foo

"bar"

http://www.cnblogs.com/yehaifeng/p/7738439.html

http://www.cnblogs.com/gomysql/p/4413922.html

http://www.cnblogs.com/fuquanjun/articles/5364101.html

https://www.cnblogs.com/wuxl360/p/5920330.html

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