Re: Fresh initdb contains a few deleted B-Tree pages

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Greg Stark <stark(at)mit(dot)edu>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fresh initdb contains a few deleted B-Tree pages
Date: 2014-07-01 18:00:44
Message-ID: CAM3SWZSMfz2N6VwZzeRacxB-Efvkh9GEGL0qbehJ9X4YmcpMLQ@mail.gmail.com
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On Tue, Jul 1, 2014 at 6:02 AM, Greg Stark <stark(at)mit(dot)edu> wrote:
> Why is this even a small concern? Initdb runs the bootstrap SQL which does
> various SQL operations so it's not surprising there are some updates
> creating garbage. Iirc we don't even rely on template0 being frozen any
> more.

It's not surprising that some initdb updates create garbage, but the
extent to which they do did slightly surprise me.

--
Peter Geoghegan

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