On Sun, Apr 20, 2008 at 12:48 PM, Joshua D. Drake <jd@xxxxxxxxxxxxxxxxx> wrote: > On Sun, 20 Apr 2008 11:32:58 -0600 > "Scott Marlowe" <scott.marlowe@xxxxxxxxx> wrote: > > > Exactly. There are several things you can do on the replica that you > > wouldn't do on the master for better performance. Really big numbers > > of WAL segments, no background writer, fsync off as mentioned, WAL on > > a RAID-0 with 10 disks, no battery back on a caching RAID controller, > > and so on. > > You are still limited by how fast you can pull data from the master > over the network to the slave. Which when dealing with 500GB+ is a > significant limitation. Agreed. Hence the part of my post about using bonded gigabit ethernet to boost that speed. Admitted, there's only so much you can do there.