amazon-simpledb

Grails and Amazon SimpleDB

How to setup Grails project to use Amazon SimpleDB? One possibility is to install gorm-jpa plugin and use SimpleJPA library, but I couldn't setup it correctly. Has someone experience with this combination? ...

MongoDB on EC2 server or AWS SimpleDB?

What scenario makes more sense - host several EC2 instances with MongoDB installed, or much rather use the Amazon SimpleDB webservice? When having several EC2 instances with MongoDB I have the problem of setting the instance up by myself. When using SimpleDB I have the problem of locking me into Amazons data structure right? What diff...

Amazon SimpleDB Query to Find "Post By Friends"

I have been developing an iPhone app which queries a server that relays data I store in Amazon SimpleDB. I have a database table of "Submissions" by various users. I am interfacing with Facebook to retrieve Facebook Friends and wish to make a query to "Submissions" to find posts by friends - like: SELECT * FROM submissions WHERE userI...

Amazon SimpleDB Javascript interface possible?

I'm checking out amazon simpledb documentation. They mention only server side languages. Is there anyway to insert data into the db directly from the client side without going through a server? If not, how come? ...

How can I export data from SimpleDB to Excel or TextPad?

Hi, I want to export data from SimpleDB to Excel or TextPad. How can I write a query for exporting data? Thanks, Senthil ...

In RightAWS Gem SDB SELECT only returning 100 at a time. I would like more.

So, we use SDB to store lots of data and currently I'm using the RightAWS gem for Ruby to access that data. I'm trying to get the results of a query which returns about 16,000 items. This process takes a long time because I only get 100 back each token, so about 160 requests must be made. The documentation says: "The limit is the maxi...

Amazon SimpleDB: Response messages don't agree with the request parameters

I'm making a simple high scores database for an iPhone game using Amazon's SimpleDB and am running into some strange issues where SimpleDB's response messages don't seem to line up with the requests I'm sending or even the state of the data on the server. The expected sequence of events for submitting high scores in the app is: A Put...

Commit protocol

Hi, I'm building a REST web service that receives a request and must return "Ok" if the operation was done correctly. How could I deal with the possibility of the loose of the connection while returning this "Ok" message? For example, a system like Amazon SimpleDB. 1) It receives a request. 2) Process the request (store and replicates...