On Mon, Apr 11, 2016 at 1:17 PM, Andres Freund <andres@anarazel.de> wrote:
> I can think of a number of relatively easy ways to address this:
> 1) Just zap (or issue?) all pending flush requests when getting an
> smgrinval/smgrclosenode
> 2) Do 1), but filter for the closed relnode
> 3) Actually handle the case of the last open segment not being
> RELSEG_SIZE properly in _mdfd_getseg() - mdnblocks() does so.
>
> I'm kind of inclined to do both 3) and 1).
#3 seems like it's probably about 15 years overdue, so let's do that anyway.
I don't quite understand why #1 fixes the problem - not because I
doubt you, but just because I haven't studied it much.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
