I fetch this error in my code , and my database is on AWS RDS instance.
OperationalError: canceling statement due to conflict with recovery
DETAIL: User was holding shared buffer pin for too long.
and i found solution to change value of
max_standby_archive_delay = -1
max_standby_streaming_delay = -1
But AWS is not allow me to change those values . is there any other way to solve this error.