On 2016-07-07 10:37:15 -0400, Robert Haas wrote:
> On Wed, Jul 6, 2016 at 6:06 PM, Andres Freund <and...@anarazel.de> wrote:
> > Hm. We can't easily do that in the back-patched version; because a
> > standby won't know to check for the flag . That's kinda ok, since we
> > don't yet need to clear all-visible yet at that point of
> > heap_update. But that better means we don't do so on the master either.
> Is there any reason to back-patch this in the first place?

It seems not unlikely that this has caused corruption in the past; and
that we chalked it up to hardware corruption or something. Both toasting
and file extension frequently take extended amounts of time under load,
the window for crashing in the wrong moment isn't small...


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