[Seaside] Summer of Code Project

Brad Fuller brad at sonaural.com
Wed Mar 21 17:45:30 UTC 2007

Avi Bryant wrote:
> On 3/21/07, Boris Popov <boris at deepcovelabs.com> wrote:
>> Let's not forget that Avi's application is very well partitioned, so
>> taking down images and bringing them back up fits perfectly with a model
>> of 'image-per-application'. Most other applications out there do not
>> have such boundaries, so running as many images as possible close to
>> server capacity and balancing between them is probably a better thing to
>> do and any layer-7 load balancer should be capable of handling session
>> affinity properly, hence the value of inventing something new might be
>> reduced.
> Even if you have a shared database between all your users (say, you
> use GLORP to access a single RDBMS), I think it's still valuable to
> keep each customer isolated in their own image (and if you're doing
> that, bringing them up and down all the time is the only way not to
> fill up your server memory too quickly).  That way anything that
> happens to one customer - an infinite loop chewing up resources, a
> #halt you add in a debugging session, a rollout of an experimental new
> feature - doesn't affect anyone else.  What you're describing is
> certainly simpler, but I do love my thousands of images...

you are really running +1,000 images for dabble db?

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