From 66fcd7ec2a208717f95baa324833adc73e7c9e32 Mon Sep 17 00:00:00 2001
From: sanderegg <35365065+sanderegg@users.noreply.github.com>
Date: Thu, 10 Mar 2022 17:15:30 +0100
Subject: [PATCH] add pessimistic handling of disconnections

---
 services/catalog/src/simcore_service_catalog/db/events.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/services/catalog/src/simcore_service_catalog/db/events.py b/services/catalog/src/simcore_service_catalog/db/events.py
index af617015e7b..1be02440b2b 100644
--- a/services/catalog/src/simcore_service_catalog/db/events.py
+++ b/services/catalog/src/simcore_service_catalog/db/events.py
@@ -26,6 +26,7 @@ async def connect_to_db(app: FastAPI) -> None:
         connect_args={
             "server_settings": {"application_name": cfg.POSTGRES_CLIENT_NAME}
         },
+        pool_pre_ping=True,  # https://docs.sqlalchemy.org/en/14/core/pooling.html#dealing-with-disconnects
     )
 
     logger.debug("Connected to %s", engine.url)  # pylint: disable=no-member