Re: Postgres 11 release notes - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Postgres 11 release notes
Date
Msg-id 20180511190058.rbma2v5fw6xr5dkr@alvherre.pgsql
Whole thread Raw
In response to Re: Postgres 11 release notes  (Bruce Momjian <bruce@momjian.us>)
Responses Re: Postgres 11 release notes  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
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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