1

t2 classes are unsuitable for high work loads, by design. Once you have used up all your CPU credits, performance is abysmal. Again, by design. Don't use t2 (or any t*) instances if you care about performance. As far as I can tell, there is no way to monitor the CPU credits on RDS (the way you can on EC2)


1

These errors are harmless and can be ignored. They stem from COMMENT ON EXTENSION statements in the dump.


1

rds_superuser, unlike a real superuser, doesn't inherently have permission to create roles. You will have to have the other rds_superuser (or anyone else who already has createrole) do: alter user new_user createrole;


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