Re: GUC for cleanup indexes threshold.

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, David Steele <david@pgmasters.net>, Peter Geoghegan <pg@bowt.ie>, Amit Kapila <amit.kapila16@gmail.com>, Simon Riggs <simon@2ndquadrant.com>, "Ideriha, Takeshi" <ideriha.takeshi@jp.fujitsu.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>
Date: 2017-04-05T22:50:39Z
Lists: pgsql-hackers
Hi,

On 2017-04-01 03:05:07 +0900, Masahiko Sawada wrote:
> On Fri, Mar 31, 2017 at 11:44 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> [ lots of valuable discussion ]

I think this patch clearly still is in the design stage, and has
received plenty feedback this CF.  I'll therefore move this to the next
commitfest.

- Andres


Commits

  1. Fix upper limit for vacuum_cleanup_index_scale_factor

  2. Increase upper limit for vacuum_cleanup_index_scale_factor

  3. Fixes for vacuum_cleanup_index_scale_factor GUC option

  4. Skip full index scan during cleanup of B-tree indexes when possible