Ron Johnson wrote:
> On Thu, 2003-09-18 at 03:23, Gaetano Mendola wrote:
>
>>Ron Johnson wrote:
>>
>>>PostgreSQL does not do horizontal scaling at all, since the postmaster
>>>can only run on 1 CPU, but it's good at vertical scaling, since it
>>>can make use of all of the CPUs in a box. (Well, there's sure to
>>>be a point at which there is so much activity that the postmaster
>>>can't handle it all...)
>>
>>I seen some PCI cards that permits to have a shared memory shared
>>between more boxes, I'd like know how much effort is required to permit
>>postgres to run on two or more machine and have the shared memory shared
>>between the boxes.
>
>
> HPaq/DEC has a hardware/software product called MemoryChannel, which
> does that for you. Of course, it only works with Tru64 and OpenVMS.
I knew the existence of this hardware my concern is about made the
postmaster aware that another postmaster is running on another machine
and that the underlyng shared memory is shared between two/more boxes.
Regards
Gaetano Mendola