io_uring是 2019 年 Linux 5.1内核首次引入的高性能异步 I/O 框架，能显着加速 I/O 密集型应用的性能。但如果你的应用已经在使用传统 Linux AIO 了，并且使用方式恰当， 那io_uring并不会带来太大的性能提升—— 根据测试，即便打开高级特性，也只有 5%。除非你真的 ...

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