[Seaside] saving an image while serving

[Nevin Pratt]

Nevin


> Nevin,
>
> without giving away any confidential information can you elaborate a little on 
> how you do things? That might be a good scenario for people to know not to 
> care about persistence and scalibility to early.
> I have problems digest what you are saying. Thinking of a single image it can 
> only work if you can have the complete model in memory without problems. Or do 
> you do domain partionioning? It would be interesting to know your approach.

You are thinking about it too hard.

Just an image.  Nothing fancy.  Everything in memory.  No problem.  Really.


> Second I would like to know how you replay data after a crash. A plain image 
> approach wouldn't help because there is no persitence at all and the data 
> would be lost. Do you replay from another server/system or do you store 
> anything outside the image for error recovery?
>
>

Again, you are thinking about it too hard.

The "plain image approach" works just fine.

> and the data would be lost. 

So what.  Grab yesterday's image.  Put the data back in since yesterday.

Just an image.  Nothing fancy.  Everything in memory.  No problem.  Really.

Nevin