Re: increasing the default WAL segment size - Mailing list pgsql-hackers

From Robert Haas
Subject Re: increasing the default WAL segment size
Date
Msg-id CA+TgmoYhJ-3sbxG0H64q16pJBereWoSJPNmnEWV+j_xC_GiVRQ@mail.gmail.com
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In response to Re: increasing the default WAL segment size  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
On Fri, Aug 26, 2016 at 12:39 AM, Andres Freund <andres@anarazel.de> wrote:
> Maybe I'm missing something here - but why would we need to do any of
> that? The WAL already isn't compatible between versions, and we don't
> reuse the old server's WAL anyway? Isn't all that's needed relaxing some
> error check?

Yeah.  If this change is made in a new major version - and how else
would we do it? - it doesn't introduce any incompatibility that
wouldn't be present already.  pg_upgrade doesn't (and can't) migrate
WAL.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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