Redis

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    It seems that there are always a few projects claiming to have built the "fastest key/value store in the world," sometimes using phrases that are even more outrageous, like the following projects: - Redis: https://github.com/redis/redis - KeyDB: https://github.com/snapchat/keydb - Dragonfly: https://github.com/dragonflydb/dragonfly - Skytable: https://github.com/skytable/skytable
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    似乎总有几个项目声称他们已经建立了"世界上最快的键/值存储",有时使用的短语甚至更加离谱,比如以下项目: - Redis: https://github.com/redis/redis - KeyDB: https://github.com/snapchat/keydb - Dragonfly: https://github.com/dragonflydb/dragonfly - Skytable: https://github.com/skytable/skytable
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    > 在实现事务时,我们通常需要确保整体满足 ACID(A-原子性|C-一致性|I-隔离性|D-持久性)的特性。其中,一致性是目标,而原子性、隔离性和持久性是实现这一目标的手段。因此,下面将对比一下 MySQL 和 Redis 在事务实现上的区别。需要注意的是,严格来说,Redis 由于不满足原子性,不能算作真正意义上实现了事务。