On Thu, 2007-12-13 at 09:46 -0600, Kevin Grittner wrote:
> The data was inserted through a Java program using a prepared
> statement with no indexes on the table. The primary key was then
> added, and now I've started a vacuum. The new table wound up being
> the first big table vacuumed, and I noticed something odd. Even
> though there have been no rollbacks, updates, or deletes on this
> table, the vacuum is writing as much as it is reading while dealing
> with the TOAST data.
Writing hint bits. Annoying isn't it? :-(
--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com