55 lines
1.4 KiB
Nix
55 lines
1.4 KiB
Nix
{ config, pkgs, lib, ... }: let
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cfg = config.services.postgresql;
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in {
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services.postgresql = {
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enable = true;
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enableTCPIP = true;
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authentication = pkgs.lib.mkOverride 10 ''
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local all all trust
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host all all 127.0.0.1/32 trust
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host all all ::1/128 trust
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'';
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settings = {
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# Source: https://pgtune.leopard.in.ua/
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# DB Version: 15
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# OS Type: linux
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# DB Type: mixed
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# Total Memory (RAM): 12 GB
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# CPUs num: 12
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# Connections num: 150
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# Data Storage: hdd
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max_connections = 150;
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shared_buffers = "3GB";
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effective_cache_size = "9GB";
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maintenance_work_mem = "768MB";
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checkpoint_completion_target = 0.9;
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wal_buffers = "16MB";
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default_statistics_target = 100;
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random_page_cost = 4;
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effective_io_concurrency = 2;
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work_mem = "2621kB";
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min_wal_size = "1GB";
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max_wal_size = "4GB";
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max_worker_processes = 12;
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max_parallel_workers_per_gather = 4;
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max_parallel_workers = 12;
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max_parallel_maintenance_workers = 4;
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};
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};
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services.postgresqlBackup = {
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enable = true;
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location = "/data/backup/postgres";
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backupAll = true;
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};
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systemd.services.postgresqlBackup = {
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requires = [ "postgresql.service" ];
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};
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systemd.services.postgresql.serviceConfig.ReadWritePaths = [ cfg.dataDir ];
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environment.systemPackages = [ config.services.postgresql.package ];
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}
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