public static void disableZkAndClientLoggers() {
    // disable zookeeper log to avoid it mess up command output
    setLogLevel("org.apache.zookeeper", "OFF");
    // disable hbase zookeeper tool log to avoid it mess up command output
    setLogLevel("org.apache.hadoop.hbase.zookeeper", "OFF");
    // disable hbase client log to avoid it mess up command output
    setLogLevel("org.apache.hadoop.hbase.client", "OFF");
  }
Disables Zk- and HBase client logging
hbase-logging/src/main/java/org/apache/hadoop/hbase/logging/Log4jUtils.java