On Tue, May 28, 2013 at 7:36 AM, Stephen Frost <sfr...@snowman.net> wrote:
>
> On the other hand, I do feel like people are worried about
> over-extending a relation and wasting disk space- but with the way that
> vacuum can clean up pages at the end, that would only be a temporary
> situation anyway.
>

Hi,

Maybe i'm wrong but this should be easily solved by an
autovacuum_no_truncate_empty_pages or an autovacuum_empty_pages_limit
GUC/reloption.
Just to clarify the second one autovacuum will allow until that limit
of empty pages, and will remove excess from there

We can also think in GUC/reloption for next_extend_blocks so formula
is needed, or of course the automated calculation that has been
proposed

--
Jaime Casanova         www.2ndQuadrant.com
Professional PostgreSQL: Soporte 24x7 y capacitaciĆ³n
Phone: +593 4 5107566         Cell: +593 987171157


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