Linux

收集到的 sysctl.conf 优化

咖喱 KIKI

咖喱 KIKI

— 1 min read

仅供懒人一键优化

TCP 迷之调参

<https://omnitt.com/>

来自 BWG 的 Debian 镜像

net.ipv4.neigh.default.base_reachable_time_ms = 600000
net.ipv4.neigh.eth1.delay_first_probe_time = 1
net.ipv4.neigh.default.mcast_solicit = 20
net.ipv4.neigh.default.retrans_time_ms = 250
net.ipv4.conf.all.rp_filter=0
net.ipv4.conf.eth0.rp_filter=0
net.ipv4.conf.eth1.rp_filter=0
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
net.ipv4.tcp_fastopen=3

来自 NNR 优化脚本

net.ipv4.tcp_no_metrics_save=1
net.ipv4.tcp_ecn=0
net.ipv4.tcp_frto=0
net.ipv4.tcp_mtu_probing=0
net.ipv4.tcp_rfc1337=0
net.ipv4.tcp_sack=1
net.ipv4.tcp_fack=1
net.ipv4.tcp_window_scaling=1
net.ipv4.tcp_adv_win_scale=1
net.ipv4.tcp_moderate_rcvbuf=1
net.core.rmem_max=33554432
net.core.wmem_max=33554432
net.ipv4.tcp_rmem=4096 87380 33554432
net.ipv4.tcp_wmem=4096 16384 33554432
net.ipv4.udp_rmem_min=8192
net.ipv4.udp_wmem_min=8192
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr

来自 V.PS Debian 12

net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
vm.swappiness=1
net.core.rmem_max=16777216
net.core.wmem_max=16777216
net.ipv4.tcp_rmem=4096 212992 16777216
net.ipv4.tcp_wmem=4096 212992 16777216

DMIT-debian12 默认参数

net.core.default_qdisc = fq
net.core.rmem_max = 67108848
net.core.wmem_max = 67108848
net.core.somaxconn = 4096
net.ipv4.tcp_max_syn_backlog = 4096
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_rmem = 16384 16777216 536870912
net.ipv4.tcp_wmem = 16384 16777216 536870912
net.ipv4.tcp_adv_win_scale = -2
net.ipv4.tcp_sack = 1
net.ipv4.tcp_timestamps = 1
kernel.panic = -1
vm.swappiness = 0

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