title: How can two Amazon EC2 instances share the same data?
body: <p>I am working on a solution deployed on an Amazon EC2 server instance that has its region set to US WEST. The solution uses mongodb for data storage and contains a web service that is used by a mobile application. The user base of the mobile application is split 40:60 between US and Asia, as such I need to set up another EC2 instance in the Asia Pacific region to lower their latency and connection time. </p>
  
  <p>Since the data storage is located on an instance in US WEST, how would I set up a new instance in asia pacific that can share the same data with the US WEST instance? I am open to moving the mongodb databse elsewhere but I do not want to change to a different NoSQL soltion.</p>