title: documentum DQL command exec count_sessions - what means columns "hot_list_size", "warm_list_size","cold_list_size"?
body: <p>I found undocumented DQL command in documentum (tested on D6.5)</p>
  
  <p><code>exec count_sessions</code></p>
  
  <p>what means columns "hot_list_size", "warm_list_size","cold_list_size" in output of this query?</p>