> There's a number of blog tests floating around comparing XFS and Ext3,
> and the various Linux schedulers, for PGDATA or for an all-in-one mount.
>
> However, the WAL has a rather particular write pattern, and it's
> reasonable to assume that it shouldn't be optimized the same way as
> PGDATA. Has anyone done any head-to-heads for WAL drive configuration
> changes?
That would be a "no", then. Looks like I have my work cut out for me ...
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com