Theo Schlossnagle is the author of Scalable Internet Architecture and the funder of OmniTI , a global leader in Internet technology services that power the World Wide Web and email.
As you might imagine Theo frequently posts on interesting topics for the scalable website builder.
Partitioning vs. Federation vs. Sharding,
PostgreSQL warm standby on ZFS crack, Scalability vs. Performance: it isn't a battle