[Seaside] Seaside for large, high-traffic sites.
frank at mweb.de
Fri Sep 11 09:44:42 UTC 2009
just take a look at the GLASS image of GemStone. Here you've got Seaside running inside
GemStone/S, a mix of a great Smalltalk VM and an ODBMS. That's a very powerful and convenient
> I have some questions about Seaside scalability.
> In 2008 I wrote a small webapp in Seaside and overall found the experience very
> enjoyable; so much so that I would prefer to do my next project in it.
> Unfortunately, due to its nature, this project will receive considerably more
> traffic than the last, and I am somewhat skeptical of Seaside's (and Squeak's)
> ability to scale.
> I understand Smalltalks (especially Squeak) use green threads for concurrency,
> so obviously a single VM process handling all of those HTTP connections would
> not work. Rather, the solution seems to be some sort of parallel setup with many
> VM processes running simultaneously, each using green threads as needed, with
> some load balancer in front of them. Do they share the same image (in which
> case, I am guessing they can't save the image), or must each have its own? Next,
> persistence: I need a robust alternative. It need not be a pure object database,
> just something with decent performance that can scale; a mature Squeak interface
> to an RDBMS like PostgreSQL would suffice. Additionally, I am curious about
> 64-bit Squeak and if it can work with Seaside.
> Am I setting myself up for a lot of pain, or is it really practical to use these
> tools with large websites? If Squeak + Seaside isn't enough, how hard is it to
> drop down into C for extra performance or to call out to foreign code?
> Thank you in advance.
** Frank Mueller / Oldenburg / Germany
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