| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Postgres 11 release notes |
| Date: | 2018-05-11 19:00:58 |
| Message-ID: | 20180511190058.rbma2v5fw6xr5dkr@alvherre.pgsql |
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| Lists: | pgsql-hackers pgsql-www |
Bruce Momjian wrote:
> OK, so what is the text that people will understand? This?
>
> Prevent manual VACUUMs on append-only tables from performing
> needless index scans
Make vacuum cheaper by avoiding scans of btree indexes when not
necessary
?
Why "manual vacuum"? It's a problem with vacuums invoked from
autovacuum too.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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