All,
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?
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com
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