Re: Warm standby architecture opinions

Jeff,

> Do you mean 3x the performance for the NAS or 3x the performance for the
> actual server. 3x the performance for 25% extra cost sounds quite
> impressive, though I suspect that's not really the case. You have of
> course picqued my interest, and we haven't placed the order yet, so let me
> look into the IBMs and Penguins.

Server. For the NAS, it'll be more like 3x to 5x the cost.

> > As a comparison: I have one dot-com client running on Dell 2650s, and
> > they have a 3-machine Slony cluster that just keeps up with their load.
> > I've another client with a website about twice as busy, and they run
> > everything off of a single quad-Opteron home build.
>
> And their queries are all comparable?

Well, the Dell client has a slightly higher Write/Read ratio of activity. But
very similar, yes.

--
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco