On 2016-01-03 15:40:01 +0000, Simon Riggs wrote:
> I'm happy with this being a simple patch now, not least because I would
> like to backpatch this to 9.4 where catalog scans became MVCC.
>
> A backpatch is warranted because it is a severe performance issue with
> replication and we can fix that before 9.5 hits the streets.
>
> I'll be doing some more testing and checking, so not in a rush.
This seems like a might subtle thing to backpatch. If we really want to
go there, ISTM that the relevant code should stew in an unreleased
branch for a while, before being backpatched.
Andres
