CentOS 1908 配置 Redis 5.0.7 集群 二（主从复制）

其他 2020-01-28 12:21:03 阅读次数: 0

CentOS 下载：http://mirrors.aliyun.com/centos/

Redis：http://download.redis.io/releases/

CentOS 1908 配置 Redis 5.0.7 集群 一（单节点）

CentOS 1908 配置 Redis 5.0.7 集群 三（哨兵模式）

  1. 在 Redis 文件夹中，复制一份 redis.conf： 
    [root@192 redis-5.0.7]# cp redis.conf redis6380.conf
  2. 修改 redis6380.conf 
    vim redis6380.conf
    # 修改端口为 6380
port 6380

# 增加该 Redis 的主节点为 127.0.0.1 6379
slaveof 127.0.0.1 6379
  3. 先后启动 Redis 6379、6380： 
    src/redis-server redis.conf
src/redis-server redis6380.conf
    两个 Redis 启动后，显示如下：
    1. 6379：
      可以看到 6379 与 子节点 6380 同步成功： 
      [root@192 redis-5.0.7]# src/redis-server redis.conf 
57722:C 13 Jan 2020 21:56:29.198 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
57722:C 13 Jan 2020 21:56:29.198 # Redis version=5.0.7, bits=64, commit=00000000, modified=0, pid=57722, just started
57722:C 13 Jan 2020 21:56:29.198 # Configuration loaded
57722:M 13 Jan 2020 21:56:29.199 * Increased maximum number of open files to 10032 (it was originally set to 1024).
                _._                                                  
           _.-``__ ''-._                                             
      _.-``    `.  `_.  ''-._           Redis 5.0.7 (00000000/0) 64 bit
  .-`` .-```.  ```\/    _.,_ ''-._                                   
 (    '      ,       .-`  | `,    )     Running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 57722
  `-._    `-._  `-./  _.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |           http://redis.io        
  `-._    `-._`-.__.-'_.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |                                  
  `-._    `-._`-.__.-'_.-'    _.-'                                   
      `-._    `-.__.-'    _.-'                                       
          `-._        _.-'                                           
              `-.__.-'                                               

57722:M 13 Jan 2020 21:56:29.200 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
57722:M 13 Jan 2020 21:56:29.200 # Server initialized
57722:M 13 Jan 2020 21:56:29.200 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
57722:M 13 Jan 2020 21:56:29.200 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
57722:M 13 Jan 2020 21:56:29.201 * DB loaded from disk: 0.000 seconds
57722:M 13 Jan 2020 21:56:29.201 * Ready to accept connections
57722:M 13 Jan 2020 21:56:49.506 * Replica 127.0.0.1:6380 asks for synchronization
57722:M 13 Jan 2020 21:56:49.506 * Full resync requested by replica 127.0.0.1:6380
57722:M 13 Jan 2020 21:56:49.506 * Starting BGSAVE for SYNC with target: disk
57722:M 13 Jan 2020 21:56:49.506 * Background saving started by pid 57735
57735:C 13 Jan 2020 21:56:49.507 * DB saved on disk
57735:C 13 Jan 2020 21:56:49.508 * RDB: 0 MB of memory used by copy-on-write
57722:M 13 Jan 2020 21:56:49.539 * Background saving terminated with success
57722:M 13 Jan 2020 21:56:49.539 * Synchronization with replica 127.0.0.1:6380 succeeded
    2. 6380：
      可以看到 6380 与 主节点同步成功： 
      [root@192 redis-5.0.7]# src/redis-server redis6380.conf 
57731:C 13 Jan 2020 21:56:49.503 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
57731:C 13 Jan 2020 21:56:49.503 # Redis version=5.0.7, bits=64, commit=00000000, modified=0, pid=57731, just started
57731:C 13 Jan 2020 21:56:49.503 # Configuration loaded
57731:S 13 Jan 2020 21:56:49.504 * Increased maximum number of open files to 10032 (it was originally set to 1024).
                _._                                                  
           _.-``__ ''-._                                             
      _.-``    `.  `_.  ''-._           Redis 5.0.7 (00000000/0) 64 bit
  .-`` .-```.  ```\/    _.,_ ''-._                                   
 (    '      ,       .-`  | `,    )     Running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6380
 |    `-._   `._    /     _.-'    |     PID: 57731
  `-._    `-._  `-./  _.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |           http://redis.io        
  `-._    `-._`-.__.-'_.-'    _.-'                                   
 |`-._`-._    `-.__.-'    _.-'_.-'|                                  
 |    `-._`-._        _.-'_.-'    |                                  
  `-._    `-._`-.__.-'_.-'    _.-'                                   
      `-._    `-.__.-'    _.-'                                       
          `-._        _.-'                                           
              `-.__.-'                                               

57731:S 13 Jan 2020 21:56:49.505 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
57731:S 13 Jan 2020 21:56:49.505 # Server initialized
57731:S 13 Jan 2020 21:56:49.505 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
57731:S 13 Jan 2020 21:56:49.505 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
57731:S 13 Jan 2020 21:56:49.505 * DB loaded from disk: 0.000 seconds
57731:S 13 Jan 2020 21:56:49.505 * Ready to accept connections
57731:S 13 Jan 2020 21:56:49.505 * Connecting to MASTER 127.0.0.1:6379
57731:S 13 Jan 2020 21:56:49.505 * MASTER <-> REPLICA sync started
57731:S 13 Jan 2020 21:56:49.505 * Non blocking connect for SYNC fired the event.
57731:S 13 Jan 2020 21:56:49.505 * Master replied to PING, replication can continue...
57731:S 13 Jan 2020 21:56:49.506 * Partial resynchronization not possible (no cached master)
57731:S 13 Jan 2020 21:56:49.506 * Full resync from master: d6f7735494d10e31c4add5adac1594a6fa22d789:0
57731:S 13 Jan 2020 21:56:49.539 * MASTER <-> REPLICA sync: receiving 198 bytes from master
57731:S 13 Jan 2020 21:56:49.539 * MASTER <-> REPLICA sync: Flushing old data
57731:S 13 Jan 2020 21:56:49.539 * MASTER <-> REPLICA sync: Loading DB in memory
57731:S 13 Jan 2020 21:56:49.539 * MASTER <-> REPLICA sync: Finished with success
  4. 远程连接（注意要打开 Redis 6380 端口），查看同步数据：

     
  5. 登录 Redis 主节点，查看节点信息： 
    [root@192 redis-5.0.7]# src/redis-cli -h 127.0.0.1 -p 6379
127.0.0.1:6379> INFO replication
# Replication
role:master
connected_slaves:1
slave0:ip=127.0.0.1,port=6380,state=online,offset=518,lag=1
master_replid:814a9c1b4f0576a3a62b8ea0868d5fef19118de6
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:518
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:518
127.0.0.1:6379>
  6. 登录 Redis 子节点，查看节点信息： 
    [root@192 redis-5.0.7]# src/redis-cli -h 127.0.0.1 -p 6380
127.0.0.1:6380> info replication
# Replication
role:slave
master_host:127.0.0.1
master_port:6379
master_link_status:up
master_last_io_seconds_ago:0
master_sync_in_progress:0
slave_repl_offset:714
slave_priority:100
slave_read_only:1
connected_slaves:0
master_replid:814a9c1b4f0576a3a62b8ea0868d5fef19118de6
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:714
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:714
127.0.0.1:6380>
  7. 远程连接需要开通端口80，参见：CentOS 1908 配置 Redis 5.0.7 集群 一（单节点）
徐晓伟
发布了94 篇原创文章 · 获赞 32 · 访问量 5万+
私信 关注

猜你喜欢

转载自blog.csdn.net/qq_32596527/article/details/103964991
今日推荐
《美国对全球网络空间安全与发展的威胁和破坏》报告发布
火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？
北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”
LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍
周排行
循环神经网络（rnn）讲解
Tigao教程四：单独的关节运动
金蝶K3WISE15.0-注册套打教程
如何在Mac上配置Kubernetes
Android应用结束自身进程的方法
SpringMVC学习 十三 拦截器栈
中国驻洛杉矶总领馆举行新春招待会
HttpClient get post 发送
11 - three.js 笔记 - 绘制三维字体模型
Mysql递归获取某个父节点下面的所有子节点和子节点上的所有父节点
每日归档
更多
2024-05-01(4)
2024-04-30(1)
2024-04-29(40)
2024-04-28(0)
2024-04-27(56)
2024-04-26(39)
2024-04-25(22)
2024-04-24(36)
2024-04-23(26)
2024-04-22(39)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022