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WO in the cloud (again)
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WO in the cloud (again)


  • Subject: WO in the cloud (again)
  • From: Anjo Krank <email@hidden>
  • Date: Tue, 25 Nov 2008 21:33:05 +0100

Hi,

I'm currently investigating EC2 as a viable means to deploy WO apps. Previous discussion has been here:

http://lists.apple.com/archives/webobjects-deploy/2008/Apr/msg00050.html

I found some maven tools here:

http://code.google.com/p/cloudtools/

and there is also support for capistrano available

Things that may have changed since then are:

- you can now attach storage to instances. Instances can still die, but you can reboot and still have the last state
- you now have some sort of mini-akamai, which is nice to have in some cases...


Some of the questions I still have are:

- what sort of DB would you use? MySQL? PG? FB?
- would it make sense to create an EC2Monitor app that would take care of starting/stopping on demand. This app would use the ec2 API for this (probably some sort of enhanced JavaMonitor)
- anyone tried to simply use these things for strictly app-serving? I.E. run the DB and web servers at your machines, run the apps on EC2?
- ever used anything that is not a RDMS? Like SimpleDB or CouchDB? One would think that the REST adaptor in Wonder might help here
- is this cost-efficient? I.E. isn't the overhead of managing the cloud vs the cost of a few machines that you manage too high? And you get 2Gig for a small instance for ~70$/month... which is about what I get with my hosting provider. Of course, I can't start and stop or reimage as easily there... so is the whole thing worth it?


Cheers, Anjo
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