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In the last article, we explained Redis' master-slave cluster mode in detail. In fact, the configuration of this cluster mode is very simple. It only needs to be configured on Slave's nodes. The configuration of Master's master node does not need to be changed. However, one thing is that the persistent configuration of Master and Slave nodes should be consistent as far as possible, otherwise there will be strange problems. Starting today, we will begin to talk about the second mode of Redis cluster mode. That is, the "Sentinel" mode, which was provided from version 2.6 of Redis, but the mode of this version was unstable at that time. The Sentinel mode did not stabilize until version 2.8 of Redis. In the production environment, if you want to use the Sentinel mode of Redis, you will try to use the version after version 2.8 of Redis. Whether it is master-slave mode or sentinel mode, both modes have a problem and cannot be expanded horizontally, and the high availability of these two modes will be limited by the memory of Master master node. Another point is that the configuration of Sentinel mode is not simple or even complicated, so neither mode is recommended in industrial scenes. If you want to use it, you must have solutions to related problems to avoid subsequent problems.该剧讲述的是只当了7天王妃就被废黜的端敬王后（朴敏英 饰），与朝鲜中宗李怿（延宇振 饰）的生死恋情，从废妃的视角讲述被燕山君（李东健 饰）臭名昭著的历史所掩盖的爱情故事。I don't know if you have ever played the game of hero killing. In the earliest days, heroes killed 2 people (enemies and themselves respectively). For this game, we first use ordinary functions to implement the following:Don't get down on the slightest thing. You are only in your twenties. What are you afraid of?原名为《家有阳光》的现代都市家庭情感剧《儿女冤家》围绕当代社会热点话题“啃老族”现象而展开，讲述家庭生活中父母与儿女之间微妙情感的家庭伦理剧。其中，“母亲”张凯丽、“女儿”黄小蕾和“媳妇”吴晓敏组成当代家庭新格局，三个女人一台戏，上演了一出与“亲情”密不可分的家庭战役，让故事悲中有喜，笑中带泪。矛盾重重过后，这些儿女冤家是否能从中感念母恩？这时，神秘的美少女七草荠突然出现。 她是夜晚的居民·吸血鬼。 荠告诉小光夜晚的乐趣。In the exchange, apart from the necessary schedule discussion, Sun Yimin's teacher and the person in charge were full of expectation and encouragement when talking about contemporary students, but they were more exclamatory about college students' employment, postgraduate entrance examination and entrepreneurship.