If the big focus is scalability I'd look at clojure, scala or erlang.

Sent from my iPhone

On Apr 5, 2011, at 1:22 PM, DavidJ <david.lisle.j...@gmail.com> wrote:

> 
> On Tuesday, April 5, 2011 11:13:24 AM UTC-4, Peter Bell wrote:
> 
> On Apr 5, 2011, at 11:02 AM, DavidJ wrote:
> > No, obviously I don't *know*.  However, I've watched as businesses have 
> > gone under precisely because they didn't architect for scale at the outset. 
> >  There is no reason not to it as it really is little more effort than not 
> > doing so.
> 
> I've build apps for scale and I can say this is definitively *not* *true*. 
> 
> I guess I should have qualified that to say that it is little more effort if 
> you have the tools available.  Having built scalable services several times, 
> I've the experience and (custom) tools available.  You are right, that 
> starting from traditional/legacy systems such as existing RDBMs and most 
> frameworks out-of-the-box would be a significant effort until modern tools 
> come to market and mature. 
>  
> [...] By definition, the number of sites that will be in the (say) top 10,000 
> for traffic is very small compared to the number of sites that are built.
> 
> 
> True, but irrelevant to the owners of those sites those businesses fail as a 
> result regardless of how improbable it seemed beforehand.  If it happened to 
> a customer who's site I architected, I'd hardly feel good explaining, after 
> their business was bankrupted, that I didn't bother building it for scale as 
> it didn't seem very likely to need it - since only a small percentage do. 
> 
> Anyway, most of our customers have high-scalability as a requirement - so 
> regardless of if they're dreaming, that is what they get.
> 
> My hope in at looking at Rails for this new project (which isn't critical and 
> hence one I can take the risk of experimenting with a new technology), was 
> that being relatively new, it might be less work to incorporate the features 
> required for scalability.  Unfortunately, it isn't looking that way.
> 
> Cheers.
> 
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