felixalb/pvv-nixos-config
1
0
Fork 0
mirror of https://git.pvv.ntnu.no/Drift/pvv-nixos-config.git synced 2026-07-21 20:41:25 +02:00
Code Issues Projects Releases Wiki Activity

bicep/postgresql: enable hugepages

Browse Source
This commit is contained in:
h7x4
2026-07-21 17:52:15 +09:00
parent 8bb86ef634
commit f41e6c0a74
2 changed files with 8 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
flake.nix
+1
View File
@@ -197,6 +197,7 @@
inputs.pvv-calendar-bot.nixosModules.default inputs.pvv-calendar-bot.nixosModules.default
inputs.minecraft-heatmap.nixosModules.default inputs.minecraft-heatmap.nixosModules.default
self.nixosModules.gickup self.nixosModules.gickup
self.nixosModules.hugepages
self.nixosModules.matrix-ooye self.nixosModules.matrix-ooye
]; ];
overlays = [ overlays = [
hosts/bicep/services/postgresql/default.nix
+7 -1
View File
@@ -1,6 +1,8 @@
{ config, lib, pkgs, values, ... }: { config, lib, pkgs, values, ... }:
let let
cfg = config.services.postgresql; cfg = config.services.postgresql;
sharedBuffersMB = 8192;
in in
{ {
imports = [ imports = [
@@ -29,7 +31,7 @@ in
superuser_reserved_connections = 3; superuser_reserved_connections = 3;
# Memory Settings # Memory Settings
shared_buffers = "8192 MB"; shared_buffers = "${toString sharedBuffersMB} MB";
work_mem = "32 MB"; work_mem = "32 MB";
maintenance_work_mem = "420 MB"; maintenance_work_mem = "420 MB";
effective_cache_size = "22 GB"; effective_cache_size = "22 GB";
@@ -93,6 +95,10 @@ in
}; };
}; };
boot.kernel.hugepages.reservations.postgresql = lib.mkIf cfg.enable (
builtins.ceil (sharedBuffersMB / config.boot.kernel.hugepages.size)
);
systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = lib.mkIf cfg.enable { systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = lib.mkIf cfg.enable {
user = config.systemd.services.postgresql.serviceConfig.User; user = config.systemd.services.postgresql.serviceConfig.User;
group = config.systemd.services.postgresql.serviceConfig.Group; group = config.systemd.services.postgresql.serviceConfig.Group;