public void setMiniClusterType(MiniClusterType miniClusterType) {
    this.miniClusterType = miniClusterType;
  }
Set the number of datanodes to be used by HS2.
@param count the number of datanodes
@return this Builder
itests/util/src/main/java/org/apache/hive/jdbc/miniHS2/MiniHS2.java