}
public static void createColumnfamily(String keyspace, String columnFamily) throws InvalidRequestException, ConfigurationException{
CFMetaData cfm = null;
CfDef def = new CfDef();
def.unsetId();
def.setKeyspace(keyspace);
def.setName(columnFamily);
cfm = CFMetaData.fromThrift(def);
cfm.addDefaultIndexNames();
MigrationManager.announceNewColumnFamily(cfm);