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Date: Fri, 11 May 2018 16:00:58 -0300
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Bruce Momjian <bruce@momjian.us>
Cc: Andres Freund <andres@anarazel.de>, Teodor Sigaev <teodor@sigaev.ru>,
	PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Postgres 11 release notes
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Precedence: bulk

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