Re: Restore of pg_dump taking a long time...

I would typically drop the indicies before taking the dump, and recreate
in the new instance. I know the loads go alot faster that way. Perhaps
the index creation would be the same.

Tom Lane wrote:
> "Ruairi" <rcarroll(at)bluemetrix(dot)com> writes:
>> I'm currently restoring a fairly large DB from a pg_dump and it's taking
>> about 12 hours to finish. The main part of this time is spent creating
>> indexes. Is there anyway I can speed up the restore process, or do i just
>> have to wait?
>
> There's not much you can do to improve the performance of a restore
> already in progress. Next time you might want to think about kicking up
> maintenance_work_mem before you start it; that's about the only thing
> you can really do to speed up index builds.
>
> (Actually, if there are lots of indexes yet to be built, increasing
> the setting in postgresql.conf and SIGHUP'ing the postmaster could
> be worth doing, as that should affect the builds yet to be done.)
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster

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