On Wed, Mar 28, 2012 at 10:24 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On Wed, Mar 28, 2012 at 9:48 PM, Marko Kreen <markokr@gmail.com> wrote:
>> On Fri, Mar 23, 2012 at 08:52:40AM +0000, Simon Riggs wrote:
>>> Master pg_controldata - OK txid_current_snapshot() - OK
>>> Standby pg_controldata - OK txid_current_snapshot() - lower value
>>
>> On Skytools list is report about master with slaves, but the
>> lower value appears on master too:
>>
>> http://lists.pgfoundry.org/pipermail/skytools-users/2012-March/001601.html
>>
>> Cc'd original reporter too.
>
> Thanks. Am looking.
I can't see how this could happen on the master at all.
On the standby, it can happen if we skip restartpoints for about a
couple of billion xids. Which would be a problem.
More on this tomorrow.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
