"Walker, Jed S" <Jed_Walker(at)cable(dot)comcast(dot)com> writes:
> We are needing to cut-down network traffic between our PostgreSQL client
> and server. The network team says that PostgreSQL is transferring data
> in 256k packets with acks of around half that size. Is there a parameter
> or a connection string setting that can be changed to force the system
> to use larger packet sizes?
Postgres has no idea whatsoever about packet sizes. This would be an
issue for your kernel vendor.
regards, tom lane