Re: PostgreSQL 8.4 performance tuning questions

"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> Since the dump to custom format ran longer than the full pg_dump
> piped directly to psql would have taken, the overall time to use this
> technique is clearly longer for our databases on our hardware.

Hmmm ... AFAIR there isn't a good reason for dump to custom format to
take longer than plain text dump, except for applying compression.
Maybe -Z0 would be worth testing?  Or is the problem that you have to
write the data to a disk file rather than just piping it?

            regards, tom lane