2008/11/18 Scott Marlowe <scott.marlowe@gmail.com>:
> On Mon, Nov 17, 2008 at 3:02 PM, Blazej <bl.oleszkiewicz@gmail.com> wrote:
>> In my opinion very nice solution is building part of PostgreSQL
>> database in memory - below it is instruction how to build PostgreSQL
>> schema in memory in Linux. I tested this with my ROLAP solution for
>> recalculation MOLAP cubes in memory and then join with master cube
>> (this speeds up proces about 10 times!!! - but in other solution may
>> be different).
>
> Just wondering if you compared it to how fast it runs if you've got
> lots of shared_buffers and everything fits into memory. That would be
> an interesting comparison.
>
They are two small thing becouse I do this how I have described above:
(1) shared_buffers is SHARED;
(2) I needed extremaly speed up so if table stored in hdd it must be
sync (sooner or later - even if sync is off), so this operation is
very slowly on hdd when it compares to ram_disk.
Regards,
Blazej