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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