On Wed, May 4, 2011 at 9:48 PM, Austin Clements <amdragon@mit.edu> wrote:
> As another data point, with a probably very different configuration (8
> year old P4, new SSD), my test query was 1.9X faster uncached and 1.6X
> faster cached.  It also produced 60% fewer disk reads.  I saw the same
> 1% increase in database size.

Oops, the email was on an SSD, but the database was on a separate
spinning disk.  With them both on the SSD, it's 2.1X faster uncached.