public void shutdownMiniCluster() throws IOException {
    LOG.info("Shutting down minicluster");
    shutdownMiniHBaseCluster();
    shutdownMiniDFSCluster();
    shutdownMiniZKCluster();

    cleanupTestDir();
    miniClusterRunning = false;
    LOG.info("Minicluster is down");
  }
Stops mini hbase, zk, and hdfs clusters.
@see #startMiniCluster(int)
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseTestingUtility.java