Re: Does PstgreSQL run on the Cray XMT?

Tom, Sean,

That's for the help.

                 Strenski

On Thu, 27 May 2010, Tom Lane wrote:

> Sean Davis <sdavis2@mail.nih.gov> writes:
>> On Fri, May 21, 2010 at 4:01 PM, Dave Strenski <stren@cray.com> wrote:
>>> I'm new to datebases, but would like to try and port PstgreSQL to
>>> this machine. First, has anyone else looked at PstgreSQL on the
>>> Cray XMT? Second, where can I get a tar ball of the source and some
>>> instructions on how to compile the code?
>>>
>> Check the website as a start.  There is a download link.  On linux/unix,
>> building is often as simple as extracting the tarball and then doing
>> ./configure && make && make install.  I have no idea how that will translate
>> to a cray.
>
> If it's a Unix-oid system then configure/make should pretty much work.
> (If it's not, a port is going to be somewhere between impractical and
> impossible, I'm afraid.)  What you are mostly going to have to add,
> if as I suspect this is a Cray-specific CPU type, is an implementation
> of the spinlock primitives.  Look in src/include/storage/s_lock.h
> for the existing ones.  You can make the code fall back on using SysV
> semaphores as a stopgap, but that's going to be entirely unacceptable
> from a performance standpoint.
>
>             regards, tom lane
>