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[aiohttp] - lower connection pool value #9935

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Merged
merged 2 commits into from
Jun 9, 2025
Merged

[aiohttp] - lower connection pool value #9935

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029d919
[aiohttp] - lower connection pool value
Reskov Jun 7, 2025
afe81d5
[aiohttp] - reduce connection size to 2
Reskov Jun 8, 2025
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9 changes: 5 additions & 4 deletions frameworks/Python/aiohttp/app/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,10 +49,11 @@ def pg_dsn(dialect=None) -> str:
async def db_ctx(app: web.Application):
# number of gunicorn workers = multiprocessing.cpu_count() as per gunicorn_conf.py
# max_connections = 2000 as per toolset/setup/linux/databases/postgresql/postgresql.conf:64
# give 10% leeway
max_size = min(1800 / multiprocessing.cpu_count(), 160)
max_size = max(int(max_size), 1)
min_size = max(int(max_size / 2), 1)
# since the world table contains only 10,000 rows, a large connection pool is unnecessary
# the server hardware provides 56 CPU cores producing high concurrency
# https://wiki.postgresql.org/wiki/Number_Of_Database_Connections
max_size = 2
min_size = 2
print(f'connection pool: min size: {min_size}, max size: {max_size}, orm: {CONNECTION_ORM}')
if CONNECTION_ORM:
dsn = pg_dsn('asyncpg')
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