title: Cassandra - Unable to find compaction strategy class 'org.apache.cassandra.db.compaction.DateTieredCompactionStrategy '
body: <p>When trying to change compaction strategy to DTCS, invoking:</p>
  
  <pre><code>ALTER TABLE sp.table WITH compaction = {
      'class' :  'DateTieredCompactionStrategy ',
      'base_time_seconds':'3600',
      'max_sstable_age_days':'7'
  };
  </code></pre>
  
  <p>Ends up with:</p>
  
  <p><code>ConfigurationException: &lt;ErrorMessage code=2300 [Query invalid because of configuration issue] message="Unable to find compaction strategy class 'org.apache.cassandra.db.compaction.DateTieredCompactionStrategy '"&gt;</code></p>
  
  <p>My environment:</p>
  
  <ul>
  <li>cqlsh 5.0.1 | Cassandra 2.2.3 | CQL spec 3.3.1 | Native protocol v4</li>
  <li>default configuration from Amazon DataStax Auto-Clustering AMI 2.6.3-1404-pv</li>
  </ul>