# quorum 当这些quorum个数sentinel哨兵认为master主节点失联 那么这时 客观上认为主节点失联了 # sentinel monitor <master-name> <ip> <redis-port> <quorum> sentinel monitor mymaster 127.0.0.1 6379 1 # 当在Redis实例中开启了requirepass foobared 授权密码 这样所有连接Redis实例的客户端都要提供密码 # 设置...
# It is possible for a master to stop accepting writes if there are less than # N slaves connected, having a lag less or equal than M seconds. # # The N slaves need to be in "online" state. # # The lag in seconds, that must be <= the specified value, is calculated from # ...
# sentinel auth-pass <master-name> <password> # # Set the password to use to authenticate with the master and slaves. # Useful if there is a password set in the Redis instances to monitor. # # Note that the master password is also used for slaves, so it is not # possible to set ...
* Return non-zero if a failover was started.*/如果故障转移开始,返回非零值intsentinelStartFailoverIfNeeded(sentinelRedisInstance *master) {/*We can't failover if the master is not in O_DOWN state.*/如果主机不处于客观下线状态,不进行故障转移if(!(master->flags & SRI_O_DOWN))return0;/*Fa...
# sentinel down-after-milliseconds <master-name> <milliseconds># # Number of milliseconds the master (or any attached slave or sentinel) should # be unreachable (asin, not acceptable reply to PING, continuously,forthe # specified period)inorder to consider itinS_DOWN state (Subjectively ...
masterauth 123456 1. 2. 3. 4. 5. 配置哨兵也是通过配安文件配置的。但是redis安装包里面没有配置文件项,需要自己创建或者在源码项目中找到这个配置文件。 sentinel3.2 # Example sentinel.conf # *** IMPORTANT *** # # By default Sentinel will not be reachable from interfaces different than ...
(!strcasecmp(argv[0],"monitor")&&argc==5){/* monitor*/intquorum=atoi(argv[4]);if(quorum<=0)return"Quorum must be 1 or greater.";if(createSentinelRedisInstance(argv[1],SRI_MASTER,argv[2],atoi(argv[3]),quorum,NULL)==NULL){switch(errno){caseEBUSY:return"Duplicated master name.";...
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incidentTableName: table where the incident are created. The default value is "incident", but any table where one wants to create incidents can be specified. incidentUniqueKey: ServiceNow incident property used to uniquely map incidents between Sentinel and ServiceNow. ...
# sentinel monitor <master-name> <ip> <redis-port> <quorum> # # Tells Sentinel to monitor this master, and to consider it in O_DOWN # (Objectively Down) state only if at least <quorum> sentinels agree. # # Note that whatever is the ODOWN quorum, a Sentinel will require to ...