From cd03551c8227b893ea20fbb6049c4f9fa69ea1a3 Mon Sep 17 00:00:00 2001
From: Ubuntu <ubuntu@chuck-cpu-personal.us-southcentral1-a.compute.internal>
Date: Tue, 1 Sep 2026 15:26:44 +0000
Subject: [PATCH] Size Tinker API DB pool for rollout bursts

---
 skyrl/tinker/api.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/skyrl/tinker/api.py b/skyrl/tinker/api.py
index 608ffda9f8..9f84584d5a 100644
--- a/skyrl/tinker/api.py
+++ b/skyrl/tinker/api.py
@@ -233,7 +233,9 @@ async def lifespan(app: FastAPI):
     """Lifespan event handler for startup and shutdown."""
 
     db_url = get_async_database_url(app.state.engine_config.database_url)
-    app.state.db_engine = create_async_engine(db_url, echo=False)
+    app.state.db_engine = create_async_engine(
+        db_url, echo=False, pool_size=50, max_overflow=100, pool_timeout=120
+    )
     enable_sqlite_wal(app.state.db_engine.sync_engine)
 
     async with app.state.db_engine.begin() as conn: