| From: | Marko Kreen <markokr(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Daniel Farina <daniel(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Andrey Velikoredchanin <uncleandyv(at)gmail(dot)com> |
| Subject: | Re: Standbys, txid_current_snapshot, wraparound |
| Date: | 2012-03-29 14:04:33 |
| Message-ID: | 20120329140433.GA8324@gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Mar 29, 2012 at 02:46:23PM +0100, Simon Riggs wrote:
> On Thu, Mar 29, 2012 at 12:06 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> > Patch coming in a few hours.
>
> This is more straightforward than I was thinking. We just need to
> initialise XLogCtl at the right place.
Looks good to me. That should fix the problem with standbys then.
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?
--
marko
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