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bicep/mysql: enable hugepages

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h7x4
2026-07-21 17:52:29 +09:00
parent f41e6c0a74
commit b350554bf3
1 changed files with 10 additions and 0 deletions
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hosts/bicep/services/mysql/default.nix
+10
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@@ -2,6 +2,8 @@
let let
cfg = config.services.mysql; cfg = config.services.mysql;
dataDir = "/data/mysql"; dataDir = "/data/mysql";
innodbBufferPoolMB = 128;
in in
{ {
imports = [ ./backup.nix ]; imports = [ ./backup.nix ];
@@ -26,6 +28,10 @@ in
# Useful for the mysqld prometheus exporter # Useful for the mysqld prometheus exporter
userstat = 1; userstat = 1;
# Memory settings
innodb_buffer_pool_size = "${toString innodbBufferPoolMB}M";
"large-pages" = 1;
# This was needed in order to be able to use all of the old users # This was needed in order to be able to use all of the old users
# during migration from knakelibrak to bicep in Sep. 2023 # during migration from knakelibrak to bicep in Sep. 2023
secure_auth = 0; secure_auth = 0;
@@ -47,6 +53,10 @@ in
}]; }];
}; };
boot.kernel.hugepages.reservations.mysql = lib.mkIf cfg.enable (
builtins.ceil (innodbBufferPoolMB / config.boot.kernel.hugepages.size)
);
networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 3306 ]; networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 3306 ];
systemd.tmpfiles.settings."10-mysql".${dataDir}.d = lib.mkIf cfg.enable { systemd.tmpfiles.settings."10-mysql".${dataDir}.d = lib.mkIf cfg.enable {