98 lines
2.4 KiB
Nix
98 lines
2.4 KiB
Nix
{ config, pkgs, ... }:
|
|
let
|
|
sslCert = config.security.acme.certs."postgres.pvv.ntnu.no";
|
|
in
|
|
{
|
|
services.postgresql = {
|
|
enable = true;
|
|
package = pkgs.postgresql_15;
|
|
enableTCPIP = true;
|
|
|
|
dataDir = "/data/postgresql";
|
|
|
|
authentication = ''
|
|
host all all 129.241.210.128/25 md5
|
|
host all all 2001:700:300:1900::/64 md5
|
|
'';
|
|
|
|
# Hilsen https://pgconfigurator.cybertec-postgresql.com/
|
|
settings = {
|
|
# Connectivity
|
|
max_connections = 500;
|
|
superuser_reserved_connections = 3;
|
|
|
|
# Memory Settings
|
|
shared_buffers = "2048 MB";
|
|
work_mem = "32 MB";
|
|
maintenance_work_mem = "320 MB";
|
|
effective_cache_size = "6 GB";
|
|
effective_io_concurrency = 100;
|
|
random_page_cost = 1.25;
|
|
|
|
# Monitoring
|
|
shared_preload_libraries = "pg_stat_statements";
|
|
track_io_timing = true;
|
|
track_functions = "pl";
|
|
|
|
# Replication
|
|
wal_level = "replica";
|
|
max_wal_senders = 0;
|
|
synchronous_commit = false;
|
|
|
|
# Checkpointing:
|
|
checkpoint_timeout = "15 min";
|
|
checkpoint_completion_target = 0.9;
|
|
max_wal_size = "1024 MB";
|
|
min_wal_size = "512 MB";
|
|
|
|
# WAL writing
|
|
wal_compression = true;
|
|
wal_buffers = -1;
|
|
|
|
# Background writer
|
|
bgwriter_delay = "200ms";
|
|
bgwriter_lru_maxpages = 100;
|
|
bgwriter_lru_multiplier = 2.0;
|
|
bgwriter_flush_after = 0;
|
|
|
|
# Parallel queries:
|
|
max_worker_processes = 8;
|
|
max_parallel_workers_per_gather = 4;
|
|
max_parallel_maintenance_workers = 4;
|
|
max_parallel_workers = 8;
|
|
parallel_leader_participation = true;
|
|
|
|
# Advanced features
|
|
enable_partitionwise_join = true;
|
|
enable_partitionwise_aggregate = true;
|
|
max_slot_wal_keep_size = "1000 MB";
|
|
track_wal_io_timing = true;
|
|
maintenance_io_concurrency = 100;
|
|
wal_recycle = true;
|
|
|
|
# SSL
|
|
ssl = true;
|
|
ssl_cert_file = "/run/credentials/postgresql.service/cert";
|
|
ssl_key_file = "/run/credentials/postgresql.service/key";
|
|
};
|
|
};
|
|
|
|
systemd.services.postgresql.serviceConfig = {
|
|
LoadCredential = [
|
|
"cert:${sslCert.directory}/cert.pem"
|
|
"key:${sslCert.directory}/key.pem"
|
|
];
|
|
};
|
|
|
|
users.groups.acme.members = [ "postgres" ];
|
|
|
|
networking.firewall.allowedTCPPorts = [ 5432 ];
|
|
networking.firewall.allowedUDPPorts = [ 5432 ];
|
|
|
|
services.postgresqlBackup = {
|
|
enable = true;
|
|
location = "/var/lib/postgres/backups";
|
|
backupAll = true;
|
|
};
|
|
}
|