Redis 3.2.8集群+Sentinel部署 |
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Redis3.2.8集群搭建 采用官方推荐的三主三从分片方案,本例中所有节点部署在一台主机上。 软件安装: tar zxvf redis-3.2.8.tar.gz cd redis-3.2.8 make make install mkdir redis-cluster 根据端口号,创建六个节点 mkdir redis-cluser/6379、6380、6381、6382、6383、6384 拷贝配置文件到各个节点: cp redis.conf redis-cluser/6379、6380、6381、6382、6383、6384 修改配置文件: vim redis-cluser/6379、6380、6381、6382、6383、6384/redis.conf port #端口号 pidfile #pid文件 logfile "/data/local/redis-cluster/6379/redis.log" #日志文件 cluster-enabled yes #开启集群模式 cluster-config-file nodes-6380.conf 若需要远程连接,需要注释掉bind 127.0.0.1 改为 bind 0.0.0.0 启动:redis-server 6379、6380、81、82、83、84/redis.conf
安装redis-trib.rb工具: 安装依赖组件:yum install ruby ruby-devel rubygems rpm-build gem install redis # redis-trib.rb create --replicas 1 127.0.0.1:6379 127.0.0.1:6380 127.0.0.1:6381 127.0.0.1:6382 127.0.0.1:6383 127.0.0.1:6384 创建集群,每个节点有一个从节点 >>> Creating cluster>>> Performing hash slots allocation on 6 nodes...Using 3 masters:127.0.0.1:6379127.0.0.1:6380127.0.0.1:6381Adding replica 127.0.0.1:6382 to 127.0.0.1:6379Adding replica 127.0.0.1:6383 to 127.0.0.1:6380Adding replica 127.0.0.1:6384 to 127.0.0.1:6381M: 46af51f0d193f3e76b322537bc11f9570ca13930 127.0.0.1:6379 slots:0-5460 (5461 slots) masterM: 3caa86acc90199cd882475dc08622fdd522cf9a8 127.0.0.1:6380 slots:5461-10922 (5462 slots) masterM: 01152da2da00e48384714c609241d2f83ca7bdc9 127.0.0.1:6381 slots:10923-16383 (5461 slots) masterS: 825f0c904c8337d6eb8b5685e9b46fe36f7e9e99 127.0.0.1:6382 replicates 46af51f0d193f3e76b322537bc11f9570ca13930S: 0c01889b111948f334950e84aea677658d91f1bc 127.0.0.1:6383 replicates 3caa86acc90199cd882475dc08622fdd522cf9a8S: 567f1760b13de130a63396cc4e6983af5f6bca24 127.0.0.1:6384 replicates 01152da2da00e48384714c609241d2f83ca7bdc9Can 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 clusterWaiting for the cluster to join..>>> Performing Cluster Check (using node 127.0.0.1:6379)M: 46af51f0d193f3e76b322537bc11f9570ca13930 127.0.0.1:6379 slots:0-5460 (5461 slots) master 1 additional replica(s)S: 0c01889b111948f334950e84aea677658d91f1bc 127.0.0.1:6383 slots: (0 slots) slave replicates 3caa86acc90199cd882475dc08622fdd522cf9a8S: 825f0c904c8337d6eb8b5685e9b46fe36f7e9e99 127.0.0.1:6382 slots: (0 slots) slave replicates 46af51f0d193f3e76b322537bc11f9570ca13930S: 567f1760b13de130a63396cc4e6983af5f6bca24 127.0.0.1:6384 slots: (0 slots) slave replicates 01152da2da00e48384714c609241d2f83ca7bdc9M: 3caa86acc90199cd882475dc08622fdd522cf9a8 127.0.0.1:6380 slots:5461-10922 (5462 slots) master 1 additional replica(s)M: 01152da2da00e48384714c609241d2f83ca7bdc9 127.0.0.1:6381 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.
注:使用redis-trib.rb create --replicas 1 这种方式创建主从集群的前提是,至少有6个节点,3主3从 sentinel sentinel.conf: 注释默认相关配置,添加master监控: sentinel monitor master1 127.0.0.1 6379 2sentinel down-after-milliseconds master1 60000sentinel failover-timeout master1 180000sentinel parallel-syncs master1 1sentinel monitor master2 127.0.0.1 6380 2sentinel down-after-milliseconds master2 60000sentinel failover-timeout master2 180000sentinel parallel-syncs master2 1sentinel monitor master3 127.0.0.1 6381 2sentinel down-after-milliseconds master3 60000sentinel failover-timeout master3 180000sentinel parallel-syncs master3 1#redis-server sentinel.conf --sentinel & 98310:X 21 Apr 09:50:47.694 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.98310:X 21 Apr 09:50:47.695 # Sentinel ID is 5c014c848accbbec31b53187b9434356f27ad07498310:X 21 Apr 09:50:47.695 # +monitor master master2 127.0.0.1 6380 quorum 298310:X 21 Apr 09:50:47.695 # +monitor master master3 127.0.0.1 6381 quorum 298310:X 21 Apr 09:50:47.695 # +monitor master master1 127.0.0.1 6379 quorum 2
配置后台启动: sentinel.conf,添加: daemonize yes启动: #redis-server sentinel.conf --sentinel
========================华丽分割======================
Redis 3.2 1主1从配置: 主: cluster-enabled no logfile /data/local/redis-cluster/6379/redis.log requirepass password 从: cluster-enabled no logfile /data/local/redis-cluster/6380/redis.log requirepass password slaveof 127.0.0.1 6379 masterauth password 必须要注定同步master时的认证密码,否则同步失败。
启动redis,查看主从状态: #redis-cli -p 6380>auth password>info ...# Replicationrole:slavemaster_host:127.0.0.1master_port:6379master_link_status:up...
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