当前位置： 首页 > news >正文

有做义工的相亲网站吗,网站建设年度总结,网站设计制作哪里好,公司变更法人文章目录 1、为哨兵模式准备配置文件2、启动哨兵3、主机6379宕机3.4、查看sentinel控制台日志3.5、查看6380主从信息 4、复活63794.1、再次查看sentinel控制台日志 1、为哨兵模式准备配置文件 [rootlocalhost redis]# ll 总用量 244 drwxr-xr-x. 2 root root 150 12月 6 2… 文章目录 1、为哨兵模式准备配置文件2、启动哨兵3、主机6379宕机3.4、查看sentinel控制台日志3.5、查看6380主从信息 4、复活63794.1、再次查看sentinel控制台日志 1、为哨兵模式准备配置文件 [rootlocalhost redis]# ll 总用量 244 drwxr-xr-x. 2 root root 150 12月 6 2023 bin -rw-r–r–. 1 root root 89 6月 24 14:16 dump6379.rdb -rw-r–r–. 1 root root 173 6月 24 14:18 dump6380.rdb -rw-r–r–. 1 root root 89 6月 24 14:19 dump6381.rdb -rw-r–r–. 1 root root 89 12月 20 2023 dump.rdb -rw-r–r–. 1 root root 207 6月 24 12:33 redis_6379.conf -rw-r–r–. 1 root root 207 6月 24 12:47 redis_6380.conf -rw-r–r–. 1 root root 207 6月 24 12:52 redis_6381.conf -rw-r–r–. 1 root root 106547 6月 24 13:59 redis_common.conf -rw-r–r–. 1 root root 106546 12月 6 2023 redis.conf [rootlocalhost redis]# vim sentinel.confsentinel monitor mymaster 192.168.74.148 6379 12、启动哨兵 [rootlocalhost redis]# /usr/local/redis/bin/redis-sentinel /usr/local/redis/sentinel.conf 7984:X 24 Jun 2024 15:59:36.245 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 7984:X 24 Jun 2024 15:59:36.245 # Redis version7.0.10, bits64, commit00000000, modified0, pid7984, just started 7984:X 24 Jun 2024 15:59:36.245 # Configuration loaded 7984:X 24 Jun 2024 15:59:36.245 * Increased maximum number of open files to 10032 (it was originally set to 1024). 7984:X 24 Jun 2024 15:59:36.245 * monotonic clock: POSIX clockgettime._ .-__ -. _.- . . -. Redis 7.0.10 (00000000/0) 64 bit.- .-. \/ ., -._ ( , .- | , ) Running in sentinel mode|-.-…- __…-.-.| .-| Port: 26379| -. ._ / .- | PID: 7984-. -._ -./ _.- .- |-.-._ -..- .-.-| | -.-. .-.- | https://redis.io -._ -._-..-_.- .- |-.-._ -..- .-.-| | -.-. .-.- | -._ -._-..-_.- .- -. -..- .- -. _.- -..- 7984:X 24 Jun 2024 15:59:36.246 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 7984:X 24 Jun 2024 15:59:36.264 * Sentinel new configuration saved on disk 7984:X 24 Jun 2024 15:59:36.264 # Sentinel ID is 5d1670addf29afbffc1cf278f58a91b672f6b96c 7984:X 24 Jun 2024 15:59:36.264 # monitor master mymaster 192.168.74.148 6379 quorum 1 7984:X 24 Jun 2024 15:59:36.265 * slave slave 192.168.74.148:6380 192.168.74.148 6380 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 15:59:36.267 * Sentinel new configuration saved on disk 7984:X 24 Jun 2024 15:59:36.267 * slave slave 192.168.74.148:6381 192.168.74.148 6381 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 15:59:36.271 * Sentinel new configuration saved on disk3、主机6379宕机 [rootlocalhost ~]# /usr/local/redis/bin/redis-cli -p 6379 shutdown [rootlocalhost ~]# 3.4、查看sentinel控制台日志 7984:X 24 Jun 2024 16:10:27.455 # sdown master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.455 # odown master mymaster 192.168.74.148 6379 #quorum ¹⁄₁ 7984:X 24 Jun 2024 16:10:27.455 # new-epoch 1 7984:X 24 Jun 2024 16:10:27.455 # try-failover master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.460 * Sentinel new configuration saved on disk 7984:X 24 Jun 2024 16:10:27.460 # vote-for-leader 5d1670addf29afbffc1cf278f58a91b672f6b96c 1 7984:X 24 Jun 2024 16:10:27.460 # elected-leader master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.460 # failover-state-select-slave master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.561 # selected-slave slave 192.168.74.148:6380 192.168.74.148 6380 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.561 * failover-state-send-slaveof-noone slave 192.168.74.148:6380 192.168.74.148 6380 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.620 * failover-state-wait-promotion slave 192.168.74.148:6380 192.168.74.148 6380 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.904 * Sentinel new configuration saved on disk 7984:X 24 Jun 2024 16:10:27.904 # promoted-slave slave 192.168.74.148:6380 192.168.74.148 6380 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.904 # failover-state-reconf-slaves master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:27.992 * slave-reconf-sent slave 192.168.74.148:6381 192.168.74.148 6381 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:28.935 * slave-reconf-inprog slave 192.168.74.148:6381 192.168.74.148 6381 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:28.935 * slave-reconf-done slave 192.168.74.148:6381 192.168.74.148 6381 mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:28.998 # failover-end master mymaster 192.168.74.148 6379 7984:X 24 Jun 2024 16:10:28.998 # switch-master mymaster 192.168.74.148 6379 192.168.74.148 6380 7984:X 24 Jun 2024 16:10:28.998 * slave slave 192.168.74.148:6381 192.168.74.148 6381 mymaster 192.168.74.148 6380 7984:X 24 Jun 2024 16:10:28.998 * slave slave 192.168.74.148:6379 192.168.74.148 6379 mymaster 192.168.74.148 6380 7984:X 24 Jun 2024 16:10:29.002 * Sentinel new configuration saved on disk 7984:X 24 Jun 2024 16:10:59.012 # sdown slave 192.168.74.148:6379 192.168.74.148 6379 mymaster 192.168.74.148 6380此时发现推选6380为主机 3.5、查看6380主从信息 127.0.0.1:6380 info replication Error: Broken pipe not connected 需要重新启动6380客户端连接redis因为原先的主机6379发生宕机 [rootlocalhost ~]# /usr/local/redis/bin/redis-cli -p 6380 127.0.0.1:6380 ping PONG 127.0.0.1:6380 info replication

Replication

role:master connected_slaves:1 slave0:ip192.168.74.148,port6381,stateonline,offset108933,lag0 master_failover_state:no-failover master_replid:78a6a3071e3ec590e70826d029320ccd1f91e0fa master_replid2:bad8e16c55e217d4cab9aff4598fd83f84b74336 master_repl_offset:108933 second_repl_offset:52335 repl_backlog_active:1 repl_backlog_size:1048576 repl_backlog_first_byte_offset:169 repl_backlog_histlen:108765 127.0.0.1:6380 4、复活6379 [rootlocalhost ~]# /usr/local/redis/bin/redis-server /usr/local/redis/redis_6379.conf [rootlocalhost ~]# /usr/local/redis/bin/redis-cli -p 6379 127.0.0.1:6379 ping PONG 127.0.0.1:6379 info replication

Replication

role:slave master_host:192.168.74.148 master_port:6380 master_link_status:up master_last_io_seconds_ago:1 master_sync_in_progress:0 slave_read_repl_offset:138273 slave_repl_offset:138273 slave_priority:100 slave_read_only:1 replica_announced:1 connected_slaves:0 master_failover_state:no-failover master_replid:78a6a3071e3ec590e70826d029320ccd1f91e0fa master_replid2:0000000000000000000000000000000000000000 master_repl_offset:138273 second_repl_offset:-1 repl_backlog_active:1 repl_backlog_size:1048576 repl_backlog_first_byte_offset:128045 repl_backlog_histlen:10229 127.0.0.1:6379 此时复活的6379变成6380的从机也就是奴隶 4.1、再次查看sentinel控制台日志 7984:X 24 Jun 2024 16:27:50.950 # -sdown slave 192.168.74.148:6379 192.168.74.148 6379 mymaster 192.168.74.148 6380 7984:X 24 Jun 2024 16:28:00.960 * convert-to-slave slave 192.168.74.148:6379 192.168.74.148 6379 mymaster 192.168.74.148 6380