chaos: optimizing db perforance

database.py

@@ -5,16 +5,23 @@ from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 import os
+import logging
+from sqlalchemy.exc import SQLAlchemyError
 
 
 engine = create_engine(
     os.getenv("DB_URL"),
-    pool_pre_ping=True,  # Check connection before using it
-    pool_size=5,  # Connection pool size
-    max_overflow=10,  # Max extra connections when pool is full
-    pool_recycle=3600,  # Recycle connections after 1 hour
-    echo=True,  # Log SQL queries
-    connect_args={"sslmode": "require" if os.getenv("IS_DEV") == "False" else "disable"},
+    pool_pre_ping=True,
+    pool_size=2,        # Reduced from 5
+    max_overflow=3,     # Reduced from 10
+    pool_recycle=1800,  # Reduced to 30 minutes
+    pool_timeout=30,    # Add connection timeout
+    echo=False,         # Disable in production - this uses memory
+    connect_args={
+        "sslmode": "require" if os.getenv("IS_DEV") == "False" else "disable",
+        "connect_timeout": 10,  # Connection timeout
+        "command_timeout": 60,  # Query timeout
+    },
 )
 
 Base = declarative_base()  # Base class for ORM models
@@ -26,5 +33,14 @@ def get_db():
     db = SessionLocal()
     try:
         yield db
+        db.commit()  # Explicit commit
+    except SQLAlchemyError as e:
+        db.rollback()
+        logging.error(f"Database error: {e}")
+        raise
+    except Exception as e:
+        db.rollback()
+        logging.error(f"Unexpected error: {e}")
+        raise
     finally:
         db.close()