1. 程式人生 > 其它 >redis單機安裝以及叢集搭建(redis-6.2.6)

redis單機安裝以及叢集搭建(redis-6.2.6)

之前寫過一篇基於redis-3.2.4版本的安裝日記,這篇是基於redis-6.2.6改動不少,故再次記錄一下

兩臺電腦10.2.5.147,10.2.5.148,都是centos7.5

本次搭建4主4從叢集

1.單機安裝

1.1.下載安裝包

直接從redis官網下載安裝包,官網地址:https://redis.io/download

直接使用命令下載:wget http://download.redis.io/releases/redis-6.2.6.tar.gz

1.2.安裝編譯

將安裝包直接上傳到了/opt目錄

解壓 tar -zxvfredis-6.2.6.tar.gz 之後,得到一個redis-6.2.6的資料夾

個人比較喜歡將檔案資訊放在/usr/local/redis目錄下,所以cp /opt/redis-6.2.6/*/usr/local/redis

接下來就是編譯了

進入到/usr/local/redis目錄,執行make命令

可能會報錯缺少基礎依賴類庫,例如gcc,使用命令下載安裝即可,總之缺少什麼就安裝什麼

make[3]: 進入目錄“/usr/local/redis/deps/hiredis”
cc -std=c99 -pedantic -c -O3 -fPIC   -Wall -W -Wstrict-prototypes -Wwrite-strings -Wno-missing-field-initializers -g -ggdb alloc.c
make[
3]: cc:命令未找到 make[3]: *** [alloc.o] 錯誤 127 make[3]: 離開目錄“/usr/local/redis/deps/hiredis” make[2]: *** [hiredis] 錯誤 2 make[2]: 離開目錄“/usr/local/redis/deps” make[1]: [persist-settings] 錯誤 2 (忽略) CC adlist.o /bin/sh: cc: 未找到命令 make[1]: *** [adlist.o] 錯誤 127 make[1]: 離開目錄“/usr/local/redis/src”

安裝更新gcc:yum isntall gcc-c++

執行完之後,make test

在接下來安裝redis

執行make install命令,最後安裝結果如下

[root@localhost redis]# make install
cd src && make install
make[1]: 進入目錄“/usr/local/redis/src”

Hint: It's a good idea to run 'make test' ;)

    INSTALL redis-server
    INSTALL redis-benchmark
    INSTALL redis-cli
make[1]: 離開目錄“/usr/local/redis/src”

安裝成功!

1.3 試執行

安裝完成,需要修改如下配置,找到/usr/local/redis目錄下的redis.conf檔案

開啟檔案,修改如下引數

允許遠端連線,將下一行註釋

#bind 127.0.0.1 -::1

redis預設是前臺執行緒,改為後臺啟動,修改引數

daemonize yes

設定redis登入密碼,找到引數設定

requirepass 你的密碼

啟動redis:redis-server /usr/local/redis/redis.conf

啟動之後檢視對應redis執行緒已啟動,redis已可以使用

2.搭建叢集

4主4從叢集分佈:

10.2.5.147 伺服器,7010 7011 7012 7013四個節點

10.2.5.148 伺服器,7015 7016 7017 7018四個節點

2.1.節點檔案拷貝

在/usr/local/redis目錄下新建叢集節點目錄redis_cluster資料夾

mkdir -p /usr/local/redis/redis_cluster

在目錄下建立4個節點資料夾

mkdir -p /usr/local/redis/redis_cluster/node01_7010
mkdir -p /usr/local/redis/redis_cluster/node02_7011
mkdir -p /usr/local/redis/redis_cluster/node03_7012
mkdir -p /usr/local/redis/redis_cluster/node04_7013

將redis資料夾中的redis.conf檔案分別拷貝至上述4個資料夾中,並且依次修改每個檔案,內容如下

#以node01_7010節點為例
port  7010                                       #每個節點配置自己的埠號
pidfile  /var/run/redis_7010.pid         #pid檔案
cluster-enabled  yes                          #啟用叢集
cluster-config-file  nodes_7010.conf   #叢集配置檔案首次啟動自動生成
cluster-node-timeout  15000              #超時時間
appendonly  yes                                #aof日誌

其他節點埠號依次為7011 7012 7013對應修改配置檔案即可

修改完成後,啟用4個節點

#啟動7010節點
redis-server /usr/local/redis/redis_cluster/node01_7010/redis.conf
#啟動7011節點
redis-server /usr/local/redis/redis_cluster/node02_7011/redis.conf
#啟動7012節點
redis-server /usr/local/redis/redis_cluster/node03_7012/redis.conf
#啟動7013節點
redis-server /usr/local/redis/redis_cluster/node04_7013/redis.conf

在10.2.5.148伺服器中,同樣進行上述操作即可,佔用埠分別為7015 7016 7017 7018

2.2.安裝ruby

安裝2.4版本的ruby

2.3.元件叢集

在任意一臺伺服器中,進行叢集組建

redis-cli --cluster create 10.2.5.147:7010 10.2.5.147:7011 10.2.5.147:7012 10.2.5.147:7013 10.2.5.148:7015 10.2.5.148:7016 10.2.5.148:7017 10.2.5.148:7018 --cluster-replicas 1

系統會隨機選擇主從關係

>>> Performing hash slots allocation on 8 nodes...
Master[0] -> Slots 0 - 4095
Master[1] -> Slots 4096 - 8191
Master[2] -> Slots 8192 - 12287
Master[3] -> Slots 12288 - 16383
Adding replica 10.2.5.148:7017 to 10.2.5.147:7010
Adding replica 10.2.5.147:7013 to 10.2.5.148:7015
Adding replica 10.2.5.148:7018 to 10.2.5.147:7011
Adding replica 10.2.5.147:7012 to 10.2.5.148:7016
M: 988000d58f5b4c999c20172ef4ee1572ab24f22e 10.2.5.147:7010
   slots:[0-4095] (4096 slots) master
M: b0d35f7d14f5c9ef1c261a6ef4cff3a09f39bd75 10.2.5.147:7011
   slots:[8192-12287] (4096 slots) master
S: 738825958b81184e899b6f5a473a846392e6a9b6 10.2.5.147:7012
   replicates 757e7f5f9d973acc182c9dadcd1d1f905571d43d
S: 723a484f7570dad408b7b50e525af5125b56e05a 10.2.5.147:7013
   replicates 0a8d20f140315deeb649bf100793018243771394
M: 0a8d20f140315deeb649bf100793018243771394 10.2.5.148:7015
   slots:[4096-8191] (4096 slots) master
M: 757e7f5f9d973acc182c9dadcd1d1f905571d43d 10.2.5.148:7016
   slots:[12288-16383] (4096 slots) master
S: 59b175c9eba3c9931f14ac5fd65ad3ca1a19c140 10.2.5.148:7017
   replicates 988000d58f5b4c999c20172ef4ee1572ab24f22e
S: c2927e8d368d4698b0accbc9e76216a3b5c67d12 10.2.5.148:7018
   replicates b0d35f7d14f5c9ef1c261a6ef4cff3a09f39bd75
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 10.2.5.147:7010)
M: 988000d58f5b4c999c20172ef4ee1572ab24f22e 10.2.5.147:7010
   slots:[0-4095] (4096 slots) master
   1 additional replica(s)
S: c2927e8d368d4698b0accbc9e76216a3b5c67d12 10.2.5.148:7018
   slots: (0 slots) slave
   replicates b0d35f7d14f5c9ef1c261a6ef4cff3a09f39bd75
M: 0a8d20f140315deeb649bf100793018243771394 10.2.5.148:7015
   slots:[4096-8191] (4096 slots) master
   1 additional replica(s)
S: 59b175c9eba3c9931f14ac5fd65ad3ca1a19c140 10.2.5.148:7017
   slots: (0 slots) slave
   replicates 988000d58f5b4c999c20172ef4ee1572ab24f22e
S: 723a484f7570dad408b7b50e525af5125b56e05a 10.2.5.147:7013
   slots: (0 slots) slave
   replicates 0a8d20f140315deeb649bf100793018243771394
M: b0d35f7d14f5c9ef1c261a6ef4cff3a09f39bd75 10.2.5.147:7011
   slots:[8192-12287] (4096 slots) master
   1 additional replica(s)
S: 738825958b81184e899b6f5a473a846392e6a9b6 10.2.5.147:7012
   slots: (0 slots) slave
   replicates 757e7f5f9d973acc182c9dadcd1d1f905571d43d
M: 757e7f5f9d973acc182c9dadcd1d1f905571d43d 10.2.5.148:7016
   slots:[12288-16383] (4096 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.

至此叢集已經組建起來了,可以試試是否可用

在10.2.5.147伺服器中推送訊息、儲存資料至10.2.5.148的7017節點

[root@localhost redis]# redis-cli -h 10.2.5.148 -c -p 7017
10.2.5.148:7017> PUBLISH testchannel "hello!"
(integer) 0
10.2.5.148:7017> PUBLISH testchannel "hello!"
(integer) 0
10.2.5.148:7017> SET accessToken 111111111111111111111111111
-> Redirected to slot [2275] located at 10.2.5.147:7010
OK

在10.2.5.148伺服器中登入10.2.5.147的監聽佇列,獲取資料

[root@localhost redis]# redis-cli -h 10.2.5.147 -c -p 7010
10.2.5.147:7010> SUBSCRIBE testchannel
Reading messages... (press Ctrl-C to quit)
1) "subscribe"
2) "testchannel"
3) (integer) 1
1) "message"
2) "testchannel"
3) "hello!"
[root@localhost redis]# redis-cli -h 10.2.5.147 -c -p 7010
10.2.5.147:7010> get accessToken
"111111111111111111111111111"

完成