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Indirect jump instructionIn 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.上海的女性心里都是有股子硬劲的，否则你就对付不了这城市的人和事。卧底打入黑色家族，背负热恋女警的绝伤，又被黑家族老大的妻子所钟情。昔日校花惊慌于丈夫的被谋害，又无奈于痴情律师的追爱，谁知步步涉黑？这是正义与邪恶的殊死较量。这是爱恨与情仇的缠绵篇章。也别弄鱼虾了，你孙铁大哥都带了的，回头把这堂上弄脏了不好。这能改变么？能也不能。