Re: Enabling Checksums

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
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
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. +

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Shaun Thomas 2013-04-10 14:26:11 Re: Inconsistent DB data in Streaming Replication
Previous Message Andres Freund 2013-04-10 14:16:45 Re: Inconsistent DB data in Streaming Replication