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⚗️Director-v0: Disable keep-alive connections #7405

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Merged
merged 3 commits into from
Mar 21, 2025
Merged

⚗️Director-v0: Disable keep-alive connections #7405

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3af19da
dv-0 disabled keep alive connections
sanderegg Mar 21, 2025
3ad0922
typo
sanderegg Mar 21, 2025
f9f60bd
ensure uv is installed
sanderegg Mar 21, 2025
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7 changes: 5 additions & 2 deletions packages/service-library/src/servicelib/fastapi/client_session.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,12 @@
from fastapi import FastAPI


def setup_client_session(app: FastAPI) -> None:
def setup_client_session(app: FastAPI, *, max_keepalive_connections: int = 20) -> None:
async def on_startup() -> None:
session = httpx.AsyncClient(transport=httpx.AsyncHTTPTransport(http2=True))
session = httpx.AsyncClient(
transport=httpx.AsyncHTTPTransport(http2=True),
limits=httpx.Limits(max_keepalive_connections=max_keepalive_connections),
)
app.state.aiohttp_client_session = session

async def on_shutdown() -> None:
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6 changes: 4 additions & 2 deletions services/director/src/simcore_service_director/core/application.py
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Expand Up @@ -53,8 +53,10 @@ def create_app(settings: ApplicationSettings) -> FastAPI:
if app.state.settings.DIRECTOR_TRACING:
initialize_tracing(app, app.state.settings.DIRECTOR_TRACING, APP_NAME)

# replace by httpx client
setup_client_session(app)
setup_client_session(
app,
max_keepalive_connections=settings.DIRECTOR_REGISTRY_CLIENT_MAX_KEEPALIVE_CONNECTIONS,
)
setup_registry(app)

setup_instrumentation(app)
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1 change: 1 addition & 0 deletions services/director/src/simcore_service_director/core/settings.py
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Expand Up @@ -112,6 +112,7 @@ class ApplicationSettings(BaseApplicationSettings, MixinLoggingSettings):
),
)

DIRECTOR_REGISTRY_CLIENT_MAX_KEEPALIVE_CONNECTIONS: PositiveInt = 0
DIRECTOR_REGISTRY_CLIENT_MAX_CONCURRENT_CALLS: PositiveInt = 20
DIRECTOR_REGISTRY_CLIENT_MAX_NUMBER_OF_RETRIEVED_OBJECTS: PositiveInt = 30

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