Re: Completely un-tuned Postgresql benchmark results: SSD vs desktop HDD

>
> On Sat, Aug 7, 2010 at 5:47 PM, Michael March <mmarch(at)gmail(dot)com> wrote:
> > If anyone is interested I just completed a series of benchmarks of stock
> > Postgresql running on a normal HDD vs a SSD.
> > If you don't want to read the post, the summary is that SSDs are 5 to 7
> > times faster than a 7200RPM HDD drive under a pgbench load.
> >
> http://it-blog.5amsolutions.com/2010/08/performance-of-postgresql-ssd-vs.html
> >
> > Is this what everyone else is seeing?
> > Thanks!
>
> It's a good first swing, but I'd be interested in seeing how it runs
> with various numbers of clients, and how it runs as the number of
> clients goes past optimal. I.e. a nice smooth downward trend or a
> horrible drop-off for whichever drives.
>
>
Yeah. I was thinking the same thing..

I need to automate the tests so I can incrementally increase the scaling of
the seed tables and increase of number simultaneous clients over time. Put
another way,I need to do A LOT more tests that will gently increment all the
testable factors one small step at a time.