On Thu, Mar 29, 2012 at 03:23:01PM +0100, Simon Riggs wrote:
> On Thu, Mar 29, 2012 at 3:04 PM, Marko Kreen <markokr(at)gmail(dot)com> wrote:
> > Next question: how can flipping archive_mode on and off,
> > with restarts, near wraparound point, break epoch on master?
> > http://lists.pgfoundry.org/pipermail/skytools-users/2012-March/001609.html
> > Any ideas?
> > Could WAL playback from backend with different archive_mode setting
> > cause it somehow?
> The current code would allow it, if you managed to go for 4 billion
> xids between checkpoints. If that happened, it would give an off by
> one error each time it happened.
> I don't believe that is possible.
Yes, that does not sound like probable case.
In response to
pgsql-hackers by date
|Next:||From: Dobes Vandermeer||Date: 2012-03-29 14:37:08|
|Subject: HTTP Frontend? (and a brief thought on materialized views)|
|Previous:||From: Simon Riggs||Date: 2012-03-29 14:23:01|
|Subject: Re: Standbys, txid_current_snapshot, wraparound|