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Linux异步I/O框架io_uring:基本原理、程序示例与性能压测
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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