On 2015-05-25 14:14:10 -0400, Stephen Frost wrote: > That seems overly complicated, for my 2c at least. I don't particularly > like trying to mess with files that might be rightfully considered "not > ours" either.
I'd not consider an fsync to be "messing" with files, especially if they're in PGDATA.
> > Additionally we could attempt to fsync with a readonly fd before trying > > the read-write fd... > > Not really sure I see that as helping.
On most OSs, except windows and some obscure unixes, a readonly fd is allowed to fsync a file.