On Thu, Jan 20, 2011 at 6:50 PM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> I think we need to consider the situation after the "multiple streaming base
> backups" patch goes in. After that we can change pg_stop_backup() so that
> you need superuser privileges to run it again - replication privileges is
> enough to do a streaming base backup, but that no longer interferes with the
> pg_start/stop_backup() admin functions.
Fair enough.
> At the moment, a streaming base backup and manual pg_start/stop_backup() use
> the same machinery, so it's possible e.g to run pg_stop_backup() while a
> streaming base backup is running, causing it to fail at the end. Or worse,
> you can run pg_stop_backup()+pg_start_backup(), and the streaming base
> backup will seemingly succeed, but the produced backup is potentially
> corrupt.
>
> The multiple base backups patch will fix that too.
OK.
BTW, I found this behavior when I read your patch ;)
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center