On Sun, 20 Apr 2008 11:32:58 -0600
"Scott Marlowe" <scott.marlowe@gmail.com> 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
