title: Optimised way of getting column values from HBASE?
body: <p>I have a situation where i just know the columnfamily and columnname in hbase and i want to retrieve all the unique values for that particular column and populate on my webapplication GUI with the time at utmost important.</p>
  
  <p>One way is to try scan applying colfamily and columnname which takes time and make the end user wait for so long.</p>
  
  <p>Is there any other way of doing it effectively and efficiently?</p>
  
  <p>would be great if you could help. Thanks</p>