课前教程菜鸟要飞redis集群

安装yum-yinstallcppbinutilsglibcglibc-kernheaders monglibc-develgccmakegcc-c++libstdc++-develtclmkdir-p/usr/local/src/rediscd/usr/local/src/rediswget或者rz上cdredis-3.0.2maketest这个就不要执行了，需要很长时间makeinstallcpredis.conf/etc/vi/etc/redis.conf#，默认为nodaemonizeyes#主从（读写分离主从的好处有2点1redis ，分别将安 下的redis.conf拷贝到这三 下 637（Master638（Slve6381（Slveredisredis21redis.conf2redis-cliredisslaveof第二种方式在重启后将失去主从关系。查看主从信息：INFOreplication在从 数据63806381默认情况下redisslave1MSSYNC2、主库接收到SYNC命令后会开始在保存快照（RDB持久化过程并将期间接收到的4、从Redis接收到后，会载入快照文件并且执行收到的缓存令无磁盘文件中禁用RDBIO性能较差，那么这个过程就会出现瓶颈，庆幸的是，Redis在2.8.18版本开始实现了无磁盘功能（不过Redis在与从数据库进行初始化时将不会将快照到磁盘，而是直接通过网络发送给IO性能差问题。1RedisRDB操作吗？还是增量更新？（从库有做持久化的前提下）2RedisSLAVEOFNOONE命令，断开主从关系并且提升为当前有的，Redis提供的哨兵（sentinel）的功能。哨兵顾名思义，哨兵的作用就是对Redis的系统的运行情况的，它是一个独立进程。它的功2个：vim6379：的主数据库的端redis-sentinel1id32slave（slavemaster，哨兵会自slave）kill2826进程后，302989:X05Jun20:09:33.509#+sdownslave127.0.0.1:6380127.0.0.16380@说明已经到slave宕机了，那么，如果3380端口的redis实例启动后，会自动加入到主从吗？2989:X05Jun20:13:22.716*+rebootslave127.0.0.1:6380127.0.0.16380@2989:X05Jun20:13:22.788#-sdownslave127.0.0.1:6380127.0.0.16380@2989:X05Jun20:16:50.300#+sdownmastertaotaoMaster127.0.0.16379 master服务已2989:X05Jun20:16:50.300#+odownmastertaotaoMaster127.0.0.16379#quorum2989:X05Jun20:16:50.300#+new-epoch2989:X05Jun20:16:50.300try-failovermastertaotaoMaster127.0.0.1 2989:X05Jun20:16:50.304+elected-leadermastertaotaoMaster127.0.0.1 2989:X05Jun20:16:50.304failover-state-select-slavemastertaotaoMaster127.0.0.16379选slavemaster 2989:X05Jun20:16:50.357*+failover-state-send-slaveof-nooneslave127.0.0.1:6381127.0.0.16381@taotaoMaster127.0.0.16379 slaveofnoone命令@taotaoMaster127.0.0.1 2989:X05Jun20:16:50.515#+promoted-slaveslave127.0.0.1:6381127.0.0.16381 63812989:X05Jun20:16:50.566*+slave-reconf-sentslave127.0.0.1:6380127.0.0.163802989:X05Jun20:16:51.333*+slave-reconf-inprogslave127.0.0.1:6380127.0.0.163802989:X05Jun20:16:52.382*+slave-reconf-doneslave127.0.0.1:6380127.0.0.163802989:X05Jun20:16:52.438failover-endmastertaotaoMaster127.0.0.16379# 63792989:X05Jun20:16:52.438*+slaveslave127.0.0.1:6380127.0.0.16380@ 638063812989:X05Jun20:16:52.438*+slaveslave127.0.0.1:6379127.0.0.16379@ 637963812989:X05Jun20:17:22.463#+sdownslave127.0.0.1:6379127.0.0.16379@127.0.0.16381637963792989:X05Jun20:35:32.172#-sdownslave127.0.0.1:6379127.0.0.16379@ 63792989:X05Jun20:35:42.137*+convert-to-slaveslave127.0.0.1:6379127.0.0.16379 63796381vimsentinelmonitortaotaoMaster127.0.0.16381sentinelmonitortaotaoMaster2127.0.0.163813451:X05Jun21:05:56.083#+sdownmastertaotaoMaster2127.0.0.13451:X05Jun21:05:56.083#+odownmastertaotaoMaster2127.0.0.16381#quorum3451:X05Jun21:05:56.083#+new-epoch3451:X05Jun21:05:56.083#+try-failovermastertaotaoMaster2127.0.0.13451:X05Jun21:05:56.086#+elected-leadermastertaotaoMaster2127.0.0.13451:X05Jun21:05:56.087#+sdownmastertaotaoMaster127.0.0.13451:X05Jun21:05:56.189#+selected-slaveslave127.0.0.1:6380127.0.0.163803451:X05Jun21:05:56.189*+failover-state-send-slaveof-nooneslave127.0.0.1:63806380@taotaoMaster2127.0.0.13451:X05Jun21:05:57.145#+promoted-slaveslave127.0.0.1:6380127.0.0.163803451:X05Jun21:05:57.234*+slave-reconf-sentslave127.0.0.1:6379127.0.0.163793451:X05Jun21:05:58.149*+slave-reconf-inprogslave127.0.0.1:6379127.0.0.163793451:X05Jun21:05:58.149*+slave-reconf-doneslave127.0.0.1:6379127.0.0.163793451:X05Jun21:05:58.203#+failover-endmastertaotaoMaster2127.0.0.13451:X05Jun21:05:58.203#+switch-mastertaotaoMaster2127.0.0.16381127.0.0.13451:X05Jun21:05:58.203*+slaveslave127.0.0.1:6379127.0.0.16379@3451:X05Jun21:05:58.203*+slaveslave127.0.0.1:6381127.0.0.16381@集Jediskey数据保存到哪个数据库中，如果在水（Cluster所有的redis节点彼此互联(-PONG机制),二进制协议优化传输速度和客户端与redis节点直连,不需要中间 "rubyredis-trib.rbrubyrubyyum-yinstallzlibrubyrubygemsgeminstallredisrzredis-geminstall-lredis-首先，进入redisredis-trib什么情况？？(errorMOVED7638abchash6380redis-cli6379set操作，redis-cli-637963806379getJedis添加依赖，要注意jedissetabc123命令时，redis1setabc2key（abc）（abc./redis-trib.rb实现了是将16384个插槽平均分配给了N个节点keykey 2key 执行63826379的一部分（1000个）执行：./redis-trib.rbreshard338051285128输入转移的节点 id，我们转移 节点 del-nodehost:port1、集群中的每个节点都会定期的向其它节点发送 集群中的主从架6个redis6379（主）6479（从6380（主）6480（从6381（主）6481（从rediscd6379/&&redis-server./redis.conf&&cd..cd6380/&&redis-server./redis.conf&&cd..cd6381/&&redis-server./redis.conf&