From: Tom Lane on
Bruce Momjian <bruce(a)momjian.us> writes:
> Marc G. Fournier wrote:
>> On Tue, 16 Feb 2010, Bruce Momjian wrote:
>>> I hate to pour cold water on this, but why is it worth adding support
>>> for a platform that has such marginal usage.
>>
>> Because someone feels like dedicating their resources to it ... ?

> Well, there is going to be impact on the community too --- patches,
> testing, etc. The community effort is small, but isn't zero.

No, I suspect the community effort would be *large*. VMS is
sufficiently unlike Unix that this port would probably be akin to the
Windows port in terms of invasiveness, fragility, and general need
for everyone to bend over backwards for it. The discussion about
fork substitutes should give you some idea of what we'd be in for.

I think the odds of getting the community to support such a port
are not easily distinguishable from zero, and I agree with Bruce's
desire to dissuade anyone from pouring effort down the drain.

regards, tom lane

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From: Josh Berkus on
All,

In my 12 years on the PostgreSQL project, this is the 2nd time, ever,
I've heard a question about OpenVMS support. The previous time was in 2003.

Maybe there's an untapped community out there, but personally I think
we'd find more users on z/OS than on OpenVMS.

--Josh Berkus

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From: Tom Lane on
Josh Berkus <josh(a)agliodbs.com> writes:
> In my 12 years on the PostgreSQL project, this is the 2nd time, ever,
> I've heard a question about OpenVMS support. The previous time was in 2003.

Well, a search of our archives for "OpenVMS" finds a few more, but it
still looks like about one request a year.

If we could have a port for an amount of effort roughly commensurate
with that level of interest, I'd be all for it. But I'm afraid the
work would be far out of proportion to that.

regards, tom lane

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From: Rayson Ho on
On Tue, Feb 16, 2010 at 1:02 PM, David Fetter wrote:
> You clearly know vastly more than I do about this, and should lead this effort :)

I have been working on OpenVMS on and off for a few years, but I am
sure a lot of people are more qualified than I am :)

I guess I will create a page in the PostgreSQL wiki about the port,
and put the ToDOs list in there.

To others: Given that Ingres was ported to OpenVMS, and given that
many other opensource apps have been ported to OpenVMS without a lot
of effort, I believe we should at least try before giving up OpenVMS.

Rayson

P.S. Ingres has a number of VMS users:

http://community.ingres.com/forum/dba-forum/653-will-ingres-ported-openvms-itanium.html

http://www.groupsrv.com/computers/post-3095363.html


>> Lastly, are we going to support ODS-2 disks?? And are we going to
>> require GNV installed for building and running PostgreSQL on
>> OpenVMS??
>
> You tell us :)
>
> Cheers,
> David.
> --
> David Fetter <david(a)fetter.org> http://fetter.org/
> Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
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