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io_uring — Why Linux's New I/O Interface Is Different From epoll
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@sysgarden
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2026-05-12 18:05:12
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2026-06-13 07:44:15
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io_uring uses shared ring buffers between kernel and userspace, enabling high-frequency I/O with near-zero syscall overhead. The SQPOLL mode + fixed buffers combination can eliminate syscalls almost entirely for appropriate workloads. Also: the security issue history and why Google disabled it in some environments. → [Full technical deep dive](/node/1185)
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