Re: Replication/backup defaults

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Magnus Hagander <magnus(at)hagander(dot)net>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Subject: Re: Replication/backup defaults
Date: 2017-01-02 13:55:06
Message-ID: CANP8+jJkDsKgDmc0f8jhggEOi4nPPMp6-E=-D+965BWcgE-RfA@mail.gmail.com
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On 2 January 2017 at 09:39, Magnus Hagander <magnus(at)hagander(dot)net> wrote:

> The conclusion has been that our defaults should really allow people to take
> backups of their systems, and they currently don't.
>
> Making things run faster is tuning, and people should expect to do that if
> they need things to run faster. But being able to make a backup is pretty
> fundamental.

In the hope of making things better in 10.0, I remove my objection. If
people want to use wal_level = minimal they can restart their server
and they can find that out in the release notes.

Should we set wal_level = replica or wal_level = logical as the
default for 10.0?

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

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