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How do I get promotedSentinel (Sentinel) process is used to monitor the working status of Master master server in redis cluster. When Master master server fails, it can switch between Master and Slave servers to ensure high availability of the system. It has been integrated into redis2.6 + version, and Redis Sentinel mode has stabilized after version 2.8. In general, it is also recommended to use later versions of Redis version 2.8 in production environment. Sentinel is a distributed system. You can run multiple sentinel processes in one architecture. These processes use gossip protocols to receive information about whether the Master master server is offline, and use Agreement Protocols to decide whether to perform automatic failover and which Slave to select as the new Master. Each Sentinel process will send messages to other Sentinel, Master and Slave regularly to confirm whether the other party is "alive". If it is found that the other party has not received a response within the specified configuration time (configurable), it will temporarily think that the other party has dropped, which is called "Subjective Down". English name: Subjective Down, SDOWN for short. Subjective Down,系列诞生10周年！If the festival coincides with Saturday or Sunday, and the unit arranges employees to work overtime, it shall pay overtime wages for rest days according to law.该影片讲述利用无法预知的方法时时刻刻施压的恐怖主义者和与其进行激烈脑力战争的女谈判专家之间反复对决的恐怖犯罪题材故事，玄彬挑战反面角色饰演军火走私犯，孙艺珍饰演首尔地方警察厅危机协商组成员。乔治（Tim Roth 蒂姆•罗素 饰）和安（Naomi Watts 娜奥米•沃茨 饰）带着儿子和爱犬来到城外岛某别墅度假，原本美好的假期却被两个不速之客破坏。两个打扮拘谨，文质彬彬的年轻人敲开乔治的房门，向他们借鸡蛋。安热情地接待他们，然而鸡蛋一次次被有意无意打破，他们的电话也被碰倒水中。安的忍耐到了极限，命令他们离开自己的房子。The main contents of this program: