title: Cassandra Vnodes and token Ranges
body: <p>I know that Vnodes form many token ranges for each node by setting num_tokens in cassandra.yaml file.</p>
  
  <p>say for example (a), i have 6 nodes, each node i have set num_token=256. How many virtual nodes are formed among these 6 nodes that is, how many virtual nodes or sub token ranges contained in each physical node.</p>
  
  <p>According to my understanding, when every node has assigned num_token as 256, then it means that all the 6 nodes contain 256 vnodes each. Is this statement true? if not then, how vnodes form the range of tokens (obviously random) in each node. It would be really convenient if someone can explain me with the example mentioned as (a).</p>
  
  <p>what is the Ring of Vnodes signify in this url:=> <a href="http://docs.datastax.com/en/cassandra/3.x/cassandra/images/arc_vnodes_compare.png" rel="noreferrer">http://docs.datastax.com/en/cassandra/3.x/cassandra/images/arc_vnodes_compare.png</a> (taken from: <a href="http://www.datastax.com/dev/blog/virtual-nodes-in-cassandra-1-2" rel="noreferrer">http://www.datastax.com/dev/blog/virtual-nodes-in-cassandra-1-2</a> )</p>