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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.ITV和Hulu近日宣布一部直接成剧的新剧《Harlots》，本剧将在英国的ITV Encore平台和美国的Hulu流媒体服务平台上播出。目前参演的演员有 Samantha Morton、Lesley Manville和Jessica Brown Findlay，由Monumental Pictures制作。 　　本剧背景设置在十八世纪的英国乔治王朝时期，是一部会让人重新审视这个城市最具商业价值的产业——性产业的家庭剧。本剧根据真实女性事件改编，讲述了Margaret Wells（Morton饰）和她的女儿们的生活，她努力让自己在一个母亲和妓院所有者这两个角色之间调和。当她的事业遭到了来自一个无情的竞争对手Lydia Quigley（Manville饰）的威胁，她决定奋起反击，即使这样会破坏她的家庭。Brown Findlay将饰演Margaret的长女Charlotte，她是城里数一数二的花魁，不过她也在努力追求自己在社会和家庭中的地位。 　　本剧由编剧、剧作家Moira Buffini执笔，由Coky Giedroyc和China Moo-Young执导，将于今年六月份在伦敦开拍。大虾因为送快递无意间卷入一场文物案中，要被人灭口，孙应男一直在保护他。大虾也在快递工作与危险之中渐渐成长。当孙应男因为身上的玉环成为犯罪分子的目标而遇到危险时……DNS Query flood attacks point to a DNS server sending a large number of query requests to achieve the effect of denial of service.广州提督之子苏灿（周星驰 饰）在考取武状元时，被人设计陷害沦为乞丐。因为丐帮四大长老杀了自己的教主，入主朝廷的天理教太乙真人四处迫害丐帮，加上丐帮帮主阵亡令打狗棒法失传，丐帮一时四分五裂群龙无首。在心仪苏灿的如霜（张敏 饰）的暗中帮助下，传功长老选中苏灿为丐帮接班人，传以打狗律 法要诀。苏灿学艺成功后，成为新任帮主，开始团结各地丐帮会员自强，共同奋力对抗天理教。太乙真人（徐少强 饰）欲拥兵自立，预谋在皇帝狩猎之时下手行刺，不料消息走露传到苏灿耳中。HBO剧集《权力的游戏第八季》将于2019年4月14日播出，本季共6集。