Re: New 9.6 external sort guidance around temp_tablespaces and maintenance_work_mem

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Peter Geoghegan <pg(at)heroku(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: New 9.6 external sort guidance around temp_tablespaces and maintenance_work_mem
Date: 2016-04-30 23:26:09
Message-ID: 20160430232609.GG556@momjian.us
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On Sat, Apr 30, 2016 at 04:23:00PM -0700, Peter Geoghegan wrote:
> Maybe there is a place to emphasize this change in the release notes.
> I don't really want to make it about the external sort feature,
> though, because enabling higher work_mem settings by making sure that
> does not disadvantage external sorts is as much about enabling
> HashAggregates as it is about enabling internal sorts.

We do often mention in the release notes areas that will need retuning.

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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