Linux 7.4 kernel tiếp tục tối ưu hiệu năng cho Btrfs với cải thiện đáng kể. Zstd decompression đạt tốc độ tăng khoảng +8MB/s, trong khi lock contention trên inode extent map giảm 10-20% thời gian xử lý shrinker. reflink operations được tối ưu nhờ reordered locking và flushing, giúp tăng tốc đáng kể. Bản update này cũng bao gồm các fix error handling và bug fixes quan trọng, những cải tiến này cho thấy Btrfs đang trên đà phát triển mạnh mẽ.
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Why read it: Btrfs mang đến những tối ưu hóa hiệu suất quan trọng giúp Linux 7.4 hoạt động mượt mà hơn.
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Try itSoftware was slowing down my Pi.
Keyword being 'hopefully'.
Linus Torvalds released Linux 7.4-rc2, calling it a big rc2 following the largest ever rc1. The release includes a notable FAT32 performance improvement, especially for synchronous mounts, AMDGPU driver fixes for HDMI 2.2 FRL, and numerous fixes for long-standing core memory management bugs. Torvalds noted the diffstat looks benign and is largely driven by automated coccinelle script updates that add noise, and that AI-generated fixes and bug reports continue to pour in. He said Alexei claims fixes on the bpf side are now coming in faster than new reports. Linux 7.4 is aiming for a stable release around the end of December.
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It was a little too good at what it did, though.
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