public void killMiniHBaseCluster() throws IOException {
    cleanup();
    if (this.hbaseCluster != null) {
      getMiniHBaseCluster().killAll();
      this.hbaseCluster = null;
    }
    if (zooKeeperWatcher != null) {
      zooKeeperWatcher.close();
      zooKeeperWatcher = null;
    }
  }
Abruptly Shutdown HBase mini cluster. Does not shutdown zk or dfs if running.
@throws java.io.IOException throws in case command is unsuccessful
hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java