Re: More stable query plans via more predictable column statistics

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Shulgin, Oleksandr" <oleksandr(dot)shulgin(at)zalando(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Stefan Litsche <stefan(dot)litsche(at)zalando(dot)de>
Subject: Re: More stable query plans via more predictable column statistics
Date: 2016-01-20 21:49:49
Message-ID: 20160120214949.GA377244@alvherre.pgsql
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Tom Lane wrote:
> "Shulgin, Oleksandr" <oleksandr(dot)shulgin(at)zalando(dot)de> writes:
> > This post summarizes a few weeks of research of ANALYZE statistics
> > distribution on one of our bigger production databases with some real-world
> > data and proposes a patch to rectify some of the oddities observed.
>
> Please add this to the 2016-01 commitfest ...

Tom, are you reviewing this for the current commitfest?

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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