Re: increasing the default WAL segment size

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: increasing the default WAL segment size
Date: 2016-09-20 18:49:04
Message-ID: a80567b4-0d0e-f231-3641-978444077136@2ndquadrant.com
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On 8/24/16 9:31 PM, Robert Haas wrote:
> I'd like to propose that we increase the default WAL segment size,
> which is currently 16MB.

While the discussion about the best default value is ongoing, maybe we
should at least *allow* some larger sizes, for testing out. Currently,
configure says "Allowed values are 1,2,4,8,16,32,64.". What might be a
good new upper limit?

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

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