課前教程菜鳥要飛redis集群

安裝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這個就不要執(zhí)行了，需要很長時間makeinstallcpredis.conf/etc/vi/etc/redis.conf#，默認為nodaemonizeyes#主從（讀寫分離主從的好處有2點1redis ，分別將安 下的redis.conf拷貝到這三 下 637（Master638（Slve6381（Slveredisredis21redis.conf2redis-cliredisslaveof第二種方式在重啟后將失去主從關(guān)系。查看主從信息：INFOreplication在從 數(shù)據(jù)63806381默認情況下redisslave1MSSYNC2、主庫接收到SYNC命令后會開始在保存快照（RDB持久化過程并將期間接收到的4、從Redis接收到后，會載入快照文件并且執(zhí)行收到的緩存令無磁盤文件中禁用RDBIO性能較差，那么這個過程就會出現(xiàn)瓶頸，慶幸的是，Redis在2.8.18版本開始實現(xiàn)了無磁盤功能（不過Redis在與從數(shù)據(jù)庫進行初始化時將不會將快照到磁盤，而是直接通過網(wǎng)絡發(fā)送給IO性能差問題。1RedisRDB操作嗎？還是增量更新？（從庫有做持久化的前提下）2RedisSLAVEOFNOONE命令，斷開主從關(guān)系并且提升為當前有的，Redis提供的哨兵（sentinel）的功能。哨兵顧名思義，哨兵的作用就是對Redis的系統(tǒng)的運行情況的，它是一個獨立進程。它的功2個：vim6379：的主數(shù)據(jù)庫的端redis-sentinel1id32slave（slavemaster，哨兵會自slave）kill2826進程后，302989:X05Jun20:09:33.509#+sdownslave127.0.0.1:6380127.0.0.16380@說明已經(jīng)到slave宕機了，那么，如果3380端口的redis實例啟動后，會自動加入到主從嗎？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服務已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選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數(shù)據(jù)保存到哪個數(shù)據(jù)庫中，如果在水（Cluster所有的redis節(jié)點彼此互聯(lián)(-PONG機制),二進制協(xié)議優(yōu)化傳輸速度和客戶端與redis節(jié)點直連,不需要中間 "rubyredis-trib.rbrubyrubyyum-yinstallzlibrubyrubygemsgeminstallredisrzredis-geminstall-lredis-首先，進入redisredis-trib什么情況？？(errorMOVED7638abchash6380redis-cli6379set操作，redis-cli-637963806379getJedis添加依賴，要注意jedissetabc123命令時，redis1setabc2key（abc）（abc./redis-trib.rb實現(xiàn)了是將16384個插槽平均分配給了N個節(jié)點keykey 2key 執(zhí)行63826379的一部分（1000個）執(zhí)行：./redis-trib.rbreshard338051285128輸入轉(zhuǎn)移的節(jié)點 id，我們轉(zhuǎn)移 節(jié)點 del-nodehost:port1、集群中的每個節(jié)點都會定期的向其它節(jié)點發(fā)送 集群中的主從架6個redis6379（主）6479（從6380（主）6480（從6381（主）6481（從rediscd6379/&&redis-server./redis.conf&&cd..cd6380/&&redis-server./redis.conf&&cd..cd6381/&&redis-server./redis.conf&