Re: shared memory based stat collector (was: Sharing record typmods between backends)

On 2017-08-14 12:21:30 -0400, Robert Haas wrote:
> >> ... If somebody has a system where no other form of shared
> >> memory, works dynamic_shared_memory_type = mmap is still a thing, so
> >> the use case for "none" seems very thin indeed.  I'd vote for just
> >> ripping it out in v11.
> >
> > Just FYI, the only values being reported by buildfarm animals are
> > "posix", "sysv", and "windows".  So while mmap may be a thing,
> > it's an untested thing.
> 
> I'm pretty sure I dev-tested it before committing anything, but,
> certainly, having ongoing BF coverage woudn't be a bad thing.

Is there any platforms that require it?  I thought posix, sysv and
windows are sufficient?  If we're going to start relying more on dsms
we probably don't want to use mmap anyway...

- Andres