8c9322b4ed
- Kernel snapshot: CachyOS 7.2.9-2 patch, name -2-fiw-nyx-v1.2; later 7.2.x point releases reuse the patch, next series masked from snapshot.json - Fiw's Ryzen preset: sysctl tuning (max_map_count, dirty bytes, BBR + fq) - tidewm list gains mpvpaper; grim moves to dev
22 lines
921 B
Text
22 lines
921 B
Text
# Installed as /etc/sysctl.d/70-fiw-dots-performance.conf (Fiw's Ryzen preset)
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# Desktop/gaming tuning, mostly from CachyOS-Settings (70-cachyos-settings.conf).
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# swappiness 100 / page-cluster 0 (zram) and nmi_watchdog 0 already come from the CachyOS patch.
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# Games under Proton (CS2, Star Citizen, Hogwarts Legacy...) need many memory maps.
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# Gentoo default 65530; Arch/CachyOS/Fedora use 1048576.
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vm.max_map_count = 1048576
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# Keep directory/inode cache longer (default 100).
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vm.vfs_cache_pressure = 50
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# Flush dirty pages in small chunks instead of % of 32 GB RAM: fewer stalls on big writes.
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vm.dirty_bytes = 268435456
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vm.dirty_background_bytes = 67108864
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vm.dirty_writeback_centisecs = 1500
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# Bigger network receive queue.
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net.core.netdev_max_backlog = 4096
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# TCP BBR congestion control with fq pacing (module loaded by modules-load.d/bbr.conf).
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net.core.default_qdisc = fq
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net.ipv4.tcp_congestion_control = bbr
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