On 28 December 2016 at 22:16, Petr Jelinek <petr.jeli...@2ndquadrant.com> wrote:

> About the patch, it looks good to me for master with the minor exception
> that:
>> +             appendStringInfo(buf, "pageno %d, xid %u",
>> +                     trunc.pageno, trunc.oldestXid);
> This should probably say oldestXid instead of xid in the text description.


> About back-patching, I wonder if standby could be modified to move
> oldestXid based on pageno reverse calculation, but it's going to be
> slightly ugly.

Not worth it IMO.

 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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