On Friday, March 1, 2013 9:28:05 AM UTC, Adam Reynolds wrote:
>
> As I think has been mentioned before you should not be using MongoDB for 
> e-commerce. 
>
> http://stackoverflow.com/questions/7149890/what-does-mongodb-not-being-acid-compliant-really-mean
>
>>
>>>
While mongo is probably not the simplest choice when you really want 
transactions I have found you can implement a client controlled locking 
model to support atomic operations generically. I do this in a module 
called 'shared' I have been working on for distributed objects sharing 
between processes that uses mongo as a persistence layer. The downside is 
that because locks are client controlled you need to consider how to 
recover from a process failure while a lock is being held. While this is 
works, I don't know yet if you can do it without significant performance 
impact. 

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