title: How to get recent data from bigtable?
body: <p>I need to get 50 latest data (based on timestamp) from BigTable.</p>
  
  <p>I get the data using <code>read_row</code> and filter using <code>CellsRowLimitFilter(50)</code>. But it didn't return the latest data. It seems the data didn't sorted based on timestamp? how to get the latest data?</p>
  
  <p>Thank you for your help.</p>