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奉命出使西域的张骞被匈奴人俘获。曾经满怀抱负、心怀高远的张骞被流放至漠北牧羊，在荒芜之地一待就是十三年。幸得匈奴女子阿诺兰的爱与陪伴，张骞度过了人生当中最艰难也最幸福的一段时光。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.ACK reflection attack is a common reflection attack technique, Using TCP three-way handshake, When the source IP address of SYN is disguised as Target's IP and the transmitter try to establish TCP connection, the reflector's response will be directly forwarded to Target. In the process of attack, a large number of ACK responses responded by the reflector will be sent to Target by controlling a large number of controlled hosts to perform the clock operation, thus occupying Target's network bandwidth resources and causing denial of service.普通大学生林海更新微信后，被拉入天庭交易群，这是什么奇怪的微信群？里面有孙悟空猪八戒，还有嫦娥和玉皇大帝？不会都是骗子吧？但是林海想不到的是，他们居然可以交易各种神丹妙药，让原本平凡低调的林海，摇身一变成为了实力高强的救世主！从此他的人生变得多姿多彩，正义善良的他也为城市的安宁献出自己的力量！《2017变形计》是由芒果TV独家自制的纪实类栏目，禀承湖南卫视《变形计》“换位思考”这一理念，而且更推至极致，在节目中，你不仅要站在对方立场去设想和理解对方，你还要去过对方的生活，真正体验对方世界的大小风云，品察对方思想最微妙的情绪触动。1. Different pronunciations.