title: Altering cassandra table by adding new column while inserting data
body: <p>I have high frequency of data for insertion in cassandra table.And column are dynamic .As per my scenario i want to alter my static table and add new column while insertion process.
  Does it impact on insertion or create any lock Or performance issue?</p>
  
  <p>Note :I dont want to use dynamic column family.
  Please suggest ..</p>
  
  <p>Thanks</p>