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. Joshua D. Drake -- The PostgreSQL Company since 1997: http://www.commandprompt.com/ PostgreSQL Community Conference: http://www.postgresqlconference.org/ United States PostgreSQL Association: http://www.postgresql.us/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate
