From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: increasing the default WAL segment size |
Date: | 2016-08-28 14:07:47 |
Message-ID: | CA+TgmoYhJ-3sbxG0H64q16pJBereWoSJPNmnEWV+j_xC_GiVRQ@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Aug 26, 2016 at 12:39 AM, Andres Freund <andres(at)anarazel(dot)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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