Michael Renner <michael(dot)renner(at)amd(dot)co(dot)at> writes:
> I've written a simple tool to generate traffic on a database [1], which
> did about 30 TX/inserts per second to a table. Upon inspecting the data
> in the table, I noticed the expected grouping of tuples which came from
> a single backend to matching pages [2]. The strange part was that the
> pages weren't completely filled but the backends seemed to jump
> arbitrarily from one page to the next [3]. For the table in question
> this resulted in about 10% wasted space.
Which table would that be? The trigger-driven updates to "auction",
in particular, would certainly guarantee some amount of "wasted" space.
regards, tom lane