Anjo,
- ever used anything that is not a RDMS? Like SimpleDB or CouchDB?
One would think that the REST adaptor in Wonder might help here
I've been backing up some historical data that doesn't change to
SimpleDB. It doesn't seem like the pricing is bad at all - I've put
more than a million rows into a SimpleDB domain without any problems.
Each SimpleDB write is done in a separate thread since it takes about
one third of a second to complete the write (S3 writes typically take
between 1-5 seconds to drop an object in a bucket).
I believe that each SimpleDB domain is single threaded, though (I
could be wrong).
I'd love to try out an EOF to SimpleDB adaptor.
- Joe
On Nov 25, 2008, at 15:33:05, Anjo Krank wrote:
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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