Re: pgsql: Bootstrap WAL to begin at segment logid=0 logseg=1 (000000010000

On 03.11.2010 11:34, Greg Stark wrote:
> On Tue, Nov 2, 2010 at 2:40 AM, Heikki Linnakangas
> <heikki(dot)linnakangas(at)iki(dot)fi> wrote:
>> Back-patch to 9.0. Since this only affects bootstrapping, it makes no
>> difference to existing installations. We don't need to worry about the
>> bug in existing installations, because if you've managed to get past the
>> initial base backup already, you won't hit the bug in the future either.
>
> I'm actually not nearly so sanguine about this not affecting existing
> installations. It means, for example, that anyone who has written
> monitoring scripts that watch the wal position will see behaviour
> they're not familiar with.

You mean, they will see an unfamiliar wal position right after initdb? I
guess, but who runs monitoring scripts on a freshly initdb'd database
before doing anything on it?

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com