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fix: make all buildbot postgres faster

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work_mem was effectively absurdly low.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This commit is contained in:
raito 2024-10-22 16:57:24 +02:00
parent 3ed36f74fd
commit e0c029ba43
1 changed files with 26 additions and 0 deletions
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26
services/buildbot/default.nix
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@ -194,6 +194,32 @@ in
RestartSteps = 10; RestartSteps = 10;
}; };
services.postgresql.settings = {
# DB Version: 15
# OS Type: linux
# DB Type: web
# Total Memory (RAM): 64 GB
# CPUs num: 16
# Connections num: 100
# Data Storage: ssd
max_connections = 100;
shared_buffers = "16GB";
effective_cache_size = "48GB";
maintenance_work_mem = "2GB";
checkpoint_completion_target = 0.9;
wal_buffers = "16MB";
default_statistics_target = 100;
random_page_cost = 1.1;
effective_io_concurrency = 200;
work_mem = "41943kB";
huge_pages = "try";
min_wal_size = "1GB";
max_wal_size = "4GB";
max_worker_processes = 16;
max_parallel_workers_per_gather = 4;
max_parallel_workers = 16;
max_parallel_maintenance_workers = 4;
};
nix.settings.keep-derivations = true; nix.settings.keep-derivations = true;
nix.gc = { nix.gc = {