Bruce Momjian wrote:
> Alvaro Herrera wrote:
> > There are so many caveats on pg_migrator (and things that need to be
> > done after the migration is complete) that one starts to wonder if
> > people is not better off just using parallel pg_restore. From Stefan's
> > reported timings I'm not sure that pg_migrator is that much of a benefit
> > in the first place ... unless copy mode can be made much faster. (On
> > link mode it is so much faster that it's worth it, but then you don't
> > have an escape hatch).
>
> That is accurate. I doubt copy mode speed can be improved.
Why not? Right now it's single-threaded. Would it be faster if it ran
several copies in parallel?
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
