infra/modules/postgresql/default.nix
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postgresql: tune
2024-06-22 16:42:38 +02:00

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930 B
Nix

{ ... }:
{
services.postgresql = {
enable = true;
# Required for MediaWiki, connects via docker network
enableTCPIP = true;
# https://pgtune.leopard.in.ua/ DB Version: 14 OS Type: linux DB Type: web
# Total Memory (RAM): 8 GB Data Storage: ssd
settings = {
max_connections = 200;
shared_buffers = "2GB";
effective_cache_size = "6GB";
maintenance_work_mem = "512MB";
checkpoint_completion_target = 0.9;
wal_buffers = "16MB";
default_statistics_target = 100;
random_page_cost = 1.1;
effective_io_concurrency = 200;
work_mem = "5242kB";
huge_pages = "off";
min_wal_size = "1GB";
max_wal_size = "4GB";
# ZFS is always consistent (Copy-On-Write)
full_page_writes = false;
};
};
systemd.services.postgresql = {
after = [ "var-lib-postgresql.mount" ];
requisite = [ "var-lib-postgresql.mount" ];
};
}