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sysctl

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xmm16 2024-12-12 13:56:23 -03:00
commit a5263d8c47
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2 changed files with 35 additions and 22 deletions
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34
hosts/micronix/config/performance.conf Normal file
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@ -0,0 +1,34 @@
"vm.dirty_ratio = 20"
"vm.dirty_background_ratio = 10"
"vm.vfs_cache_pressure = 50"
"net.core.default_qdisc = cake"
"net.ipv4.tcp_congestion_control = bbr"
"vm.page-cluster = 1"
"kernel.nmi_watchdog = 0"
"vm.swappiness = 200"
"vm.max_map_count = 2147483642"
"vm.watermark_boost_factor = 1"
"vm.watermark_scale_factor = 1000"
"vm.nr_hugepages = 512"
"hugetlb_optimize_vmemmap = 1"
"net.core.netdev_max_backlog = 32768"
"net.core.somaxconn = 16384"
"net.core.rmem_default = 1048576"
"net.core.rmem_max = 16777216"
"net.core.wmem_default = 1048576"
"net.core.wmem_max = 16777216"
"net.core.optmem_max = 65536"
"net.ipv4.tcp_rmem = '4096 1048576 2097152'"
"net.ipv4.tcp_wmem = '4096 65536 16777216'"
"net.ipv4.udp_rmem_min = 16384"
"net.ipv4.udp_wmem_min = 16384"
"net.ipv4.tcp_fastopen = 3"
"net.ipv4.tcp_max_syn_backlog = 32768"
"net.ipv4.tcp_max_tw_buckets = 2000000"
"net.ipv4.tcp_fin_timeout = 10"
"net.ipv4.tcp_slow_start_after_idle = 0"
"net.ipv4.tcp_keepalive_time = 60"
"net.ipv4.tcp_keepalive_intvl = 10"
"net.ipv4.tcp_keepalive_probes = 6"
"net.ipv4.tcp_mtu_probing = 1"
"net.ipv4.ip_local_port_range = '30000 65535'"

23
hosts/micronix/system.nix
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@ -15,28 +15,7 @@
"hugepagesz=1G"
];
boot.kernel.sysctl = {
"vm.nr_hugepages" = 512;
"vm.swappiness" = 200;
"net.core.netdev_max_backlog" = 32768;
"net.core.somaxconn" = 16384;
"net.core.rmem_default" = 1048576;
"net.core.rmem_max" = 16777216;
"net.core.wmem_default" = 1048576;
"net.core.wmem_max" = 16777216;
"net.core.optmem_max" = 65536;
"net.ipv4.tcp_rmem" = "4096 1048576 2097152";
"net.ipv4.tcp_wmem" = "4096 65536 16777216";
"net.ipv4.udp_rmem_min" = 8192;
"net.ipv4.udp_wmem_min" = 8192;
"net.ipv4.tcp_fastopen" = 3;
"net.core.default_qdisc" = "cake";
"net.ipv4.tcp_congestion_control" = "bbr";
"vm.dirty_ratio" = 20;
"vm.dirty_background_ratio" = 10;
"vm.vfs_cache_pressure" = 25;
"vm.hugetlb_optimize_vmemmap" = 1;
};
boot.kernel.sysctl = [(builtins.readFile ./config/sysctl.d/performance.conf)];
services.scx = {
enable = true;