On Mon, Feb 6, 2017 at 10:40 PM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>> Maybe we should call them "unused pages".
>
> +1. If we consider some more names for that column then probably one
> alternative could be "empty pages".
Yeah, but I think "unused" might be better. Because a page could be
in use (as an overflow page or primary bucket page) and still be
empty.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company