Re: pg_dump / pg_dumpall / memory issues

On Thursday 10 April 2003 11:14, you wrote:
> > So I'm wondering if the simple solution might be to either use a slower
> > box / network connection / throttled port on the backup box, or just
> > backup into another database since the copies into the other machine
> > probably slow things down enough to render less of a load on the server
> > being backed up.
>
> Hmmm... that might be an interesting solution. We do have a slower
> standby DB, that would be excellent for that purpose. It would be an
> added incentive too, because the standby DB would be hot after backup.
> I'm gonna give this a shot and report back. I guess we can do a
> pg_dumpall from the standby DB as soon as the main DB has finished
> backing up too!

If you have an OS that binds nice value of a process to it's I/O priority, you
can lower the priority  of pg_dump so that it runs very slow, so to speak.

I believe freeBSD does this. Not sure if linux does it as well.

HTH

 Shridhar