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3 ", Automatic failure: When a Master cannot work properly, the sentinel will start an automatic failure migration operation, which will upgrade one Slave of the failed Master to a new Master and change the other Slave of the failed Master to copy the new Master; When the client attempts to connect to the failed Master, the cluster will also return the address of the new Master to the client, allowing the cluster to replace the failed Master with the current Master. After switching between Master and Slave servers, the contents of the configuration files of Master's redis.conf, Slave's redis.conf and sentinel.conf will change accordingly, that is, the redis.conf configuration file of Master's master server will have more than one line of slaveof configuration, and the monitoring target of sentinel.conf will be changed accordingly.The landlord refuelsAt the same time, there is a great difference in damage between critical strike and non-critical strike.　　刘海波执导《美丽的你》单元，吕行执导《因为有家》单元，吕赢和库尔班江执导《幸福的处方》单元，五百执导《紧急营救》单元，徐纪周执导《腾飞》单元，和张挺执导《排爆精英》单元。Considering performance, the whole program only needs to create an instance once, so performance will not have any impact.860010-1102011300之前秦嘉有过命令，他的任务就是为防守沛县的刘季，再一个便是随时支援南边的铜山。