[Seaside] my site is completely dead..

[Francois Stephany]

On 30/01/13 10:15, Sven Van Caekenberghe wrote:
>
> On 30 Jan 2013, at 10:06, Francois Stephany <tulipe.moutarde at gmail.com> wrote:
>
>> On 30/01/13 09:33, Sven Van Caekenberghe wrote:
>>> - most of the time, I have multiple images under a load balancer, statefull or stateless, to improve availability and capacity
>>
>> Stateful = session affinity?
>
> Yes. With Seaside you have to, with pure Zinc you can but it is not the default.

Yep, I guess that's another issue for Cloud deployment à la Heroku...

> If you reload http://zn.stfx.eu/status a couple of times, you will see the port changing (which means another member of the cluster is handling the request). If you reload http://zn.stfx.eu/session you will stay on the same cluster member (notice the session ID ending with a Route ID).
>
>> Do you start images on-demand depending of the load or you let X images running all the time?
>
> Right now, I do it statically: I just run 4 of them all the time.
>
> One vm+image uses maybe 100 Mb, with current servers you get multiple GBs of RAM, that you can use for running multiple images, a db, memcached instances or other stuff.

Thanks !
I know it's not really relevant without context but how much load can 
one image handle? It's just to have an order of magnitude...