| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Ants Aasma <ants(at)cybertec(dot)at> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Greg Smith <greg(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Enabling Checksums |
| Date: | 2013-04-10 14:23:42 |
| Message-ID: | 20130410142342.GC17800@momjian.us |
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| Lists: | pgsql-hackers |
On Wed, Apr 10, 2013 at 01:15:12PM +0300, Ants Aasma wrote:
> > This work needs to happen now, since once the checksum algorithm is set we
> > won't easily be able to change it.
>
> The page checksum algorithm needs to be decided now, but WAL CRCs and
> full page writes can be changed in 9.4 and don't need to be perfect on
> the first try.
I can confirm that --- pg_upgrade doesn't copy any of the WAL stream
from old to new cluster.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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