title: Performance difference between Scan and Get?
body: <p>I have an HBase table containing <code>8G</code> of data.</p>
  
  <p>When I use a partial key scan on that table to retrieve a value for a given key I get almost constant time value retrieval.</p>
  
  <p>When I use a <code>Get</code>, the time taken is far greater than with the scan.  However when I looked inside the code, I found that <code>Get</code> itself uses a <code>Scan</code>.</p>
  
  <p>Can anyone explain this time difference?</p>