Performance - BREAK web server for TOO MANY CLIENTS ALREADY with psycopg2.OperationalError-Part4

Performance Testing - BREAK web server for TOO MANY CLIENTS ALREADY with exception psycopg2.OperationalError - Part4
1. Performance Testing With LOCUST
2. How to Break Web server for following exception
- sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) connection to server at "", port 5432 failed: FATAL: sorry, too many clients already
- fastapi.exceptions.FastAPIError: Related to exception raise with Yield
3. How to increase load on Locust
4. How to control Locust task execution to override locust default behavior to run task in random order