title: MongoDB performance - having multiple databases
body: <p>Our application needs 5 collections in a db. When we add clients to our application we would like to maintain separate db for each customer. For example, if we have 500 customers, we would have 500 dbs and 2500 collections (each db has 5 collection). This way we can separate each customer data. My concern is, will it lead to any performance problems?</p>
  
  <blockquote>
    <p><strong>UPDATE:</strong> Also follow this <a href="https://groups.google.com/forum/?fromgroups#!starred/mongodb-user/UBkJKoeM6Tw" rel="noreferrer">google-group discussion</a>.</p>
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