On 2013-11-20 18:25:56 +0200, Heikki Linnakangas wrote:
> Isn't it possible that the standby has already incorrectly set
> HEAP_XMIN_INVALID hint bit on a page? The full page images generated by
> VACUUM FREEZE will correct the damage, but if not, e.g. because
> full_page_writes=off, strange things will happen.
The xlog_heap_freeze records should repair that afaics.
> Personally, I wouldn't trust anything less than a new base backup.
But I still tend to agree.
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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