epyc: init hydra settings properly

pull/2/head
Raito Bezarius 1 year ago
parent 567b99aa57
commit d9d32e0194

@ -1,3 +1,8 @@
{ lib, ... }:
let
gcc-system-features = arch: lib.optionals (arch != null) ([ "gccarch-${arch}" ]
++ map (x: "gccarch-${x}") lib.systems.architectures.inferiors.${arch});
in
{
imports = [
../modules/ipmi-supermicro.nix
@ -19,6 +24,17 @@
};
};
nix.buildMachines = [
{ hostName = "localhost";
systems = [
"x86_64-linux"
"riscv64-linux"
];
supportedFeatures = [ "kvm" "nixos-test" "big-parallel" "benchmark" ] ++ gcc-system-features "znver3";
maxJobs = 1;
}
];
boot.binfmt.emulatedSystems = [ "riscv64-linux" "aarch64-linux" "riscv64-linux" ];
simd.arch = "znver3";

@ -1,9 +1,81 @@
{ ... }: {
{ pkgs, ... }: {
services.hydra = {
enable = true;
hydraURL = "https://hydra.newtype.fr";
notificationSender = "hydra@localhost";
buildMachinesFiles = [ ];
buildMachinesFiles = [ "/etc/nix/machines" ];
useSubstitutes = true;
};
environment.systemPackages = [ pkgs.nix-prefetch-git ];
nix.trustedUsers = [ "hydra" "hydra-www" ];
services.postgresql = {
enableJIT = true;
settings = {
checkpoint_completion_target = "0.9";
default_statistics_target = 100;
max_connections = 500;
work_mem = "20MB";
maintenance_work_mem = "2GB";
shared_buffers = "8GB";
min_wal_size = "1GB";
max_wal_size = "2GB";
wal_buffers = "16MB";
max_worker_processes = 16;
max_parallel_workers_per_gather = 8;
max_parallel_workers = 16;
# NVMe related performance tuning
effective_io_concurrency = 200;
random_page_cost = "1.1";
# We can risk losing some transactions.
synchronous_commit = "off";
effective_cache_size = "16GB";
# autovacuum and autoanalyze much more frequently:
# at these values vacuum should run approximately
# every 2 mass rebuilds, or a couple times a day
# on the builds table. Some of those queries really
# benefit from frequent vacuums, so this should
# help. In particular, I'm thinking the jobsets
# pages.
autovacuum_vacuum_scale_factor = 0.002;
autovacuum_analyze_scale_factor = 0.001;
shared_preload_libraries = "pg_stat_statements";
compute_query_id = "on";
};
};
security.acme = {
acceptTerms = true;
defaults.email = "ryan@lahfa.xyz";
};
services.nginx = {
enable = true;
recommendedZstdSettings = true;
recommendedBrotliSettings = true;
recommendedGzipSettings = true;
recommendedOptimisation =true;
recommendedTlsSettings = true;
recommendedProxySettings = true;
};
services.nginx.virtualHosts."hydra.newtype.fr" = {
forceSSL = true;
enableACME = true;
# TODO: remove compression for some locations
locations."/".proxyPass = "http://localhost:3000";
};
networking.firewall.allowedTCPPorts = [ 80 443 ];
}

@ -42,13 +42,17 @@ in
package = pkgs.nixVersions.nix_2_13;
# should be enough?
nrBuildUsers = lib.mkDefault 32;
nrBuildUsers = 128;
# https://github.com/NixOS/nix/issues/719
daemonCPUSchedPolicy = "batch";
daemonIOSchedClass = "best-effort";
daemonIOSchedPriority = 5;
settings = {
keep-outputs = true;
keep-derivations = true;
max-jobs = 64;
# in zfs we trust
fsync-metadata = lib.boolToString (!config.boot.isContainer or config.fileSystems."/".fsType != "zfs");
substituters = [