Re: > 16TB worth of data question

On Tue, 2003-04-29 at 16:05, Jim C. Nasby wrote:
> On Tue, Apr 29, 2003 at 01:01:39AM -0500, Ron Johnson wrote:
> > But pg doesn't guarantee internal consistency unless you pg_dump
> > the database in one command "pg_dump db_name > db_yyyymmdd.dmp".
> >
> > Thus, no parallelism unless there are multiple databases, but if there's
> > only 1 database...
>
> It would probably be useful if you could feed a specific transaction
> id/timestamp to pg_dump, so that it will take the snapshot as of that
> time. Of course, it'd probably be easiest if you could just tell pg_dump
> to use X number of threads or dump devices.

Something like:
# pg_dump -f /dev/sg0 -f /dev/sg1 -f /dev/sg2 -f /dev/sg3 <dbname>
  OR
# pg_dump -f \(/dev/sg0,/dev/sg1,/dev/sg2,/dev/sg3\) <dbname>

Then, pg_dump would decide what data to send to each device.

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