[hadoop@bigdata ~]$ hadoop fs -tail hdfs://bigdata.lzf:9001/tmp/start-dfs.sh
17/07/21 17:41:18 DEBUG util.NativeCodeLoader: Trying to load the custom-built native-hadoop library...
17/07/21 17:41:18 DEBUG util.NativeCodeLoader: Loaded the native-hadoop library
----------------------------------------
# quorumjournal nodes (if any)

SHARED_EDITS_DIR=$($HADOOP_PREFIX/bin/hdfs getconf -confKey dfs.namenode.shared.edits.dir 2>&-)

case "$SHARED_EDITS_DIR" in
qjournal://*)
  JOURNAL_NODES=$(echo "$SHARED_EDITS_DIR" | sed \'s,qjournal://\([^/]*\)/.*,\1,g; s/;/ /g; s/:[0-9]*//g\')
  echo "Starting journal nodes [$JOURNAL_NODES]"
  "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \
      --config "$HADOOP_CONF_DIR" \
      --hostnames "$JOURNAL_NODES" \
      --script "$bin/hdfs" start journalnode ;;
esac

#---------------------------------------------------------
# ZK Failover controllers, if auto-HA is enabled
AUTOHA_ENABLED=$($HADOOP_PREFIX/bin/hdfs getconf -confKey dfs.ha.automatic-failover.enabled)
if [ "$(echo "$AUTOHA_ENABLED" | tr A-Z a-z)" = "true" ]; then
  echo "Starting ZK Failover Controllers on NN hosts [$NAMENODES]"
  "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \
    --config "$HADOOP_CONF_DIR" \
    --hostnames "$NAMENODES" \
    --script "$bin/hdfs" start zkfc
fi

# eof

17/07/24 11:44:04 INFO mapreduce.Job: Counters: 29
	File System Counters
		FILE: Number of bytes read=604458
		FILE: Number of bytes written=1252547
		FILE: Number of read operations=0
		FILE: Number of large read operations=0
		FILE: Number of write operations=0
		HDFS: Number of bytes read=1519982
		HDFS: Number of bytes written=0
		HDFS: Number of read operations=12
		HDFS: Number of large read operations=0
		HDFS: Number of write operations=5
	Map-Reduce Framework
		Combine input records=0
		Combine output records=0
		Reduce input groups=0
		Reduce shuffle bytes=0
		Reduce input records=0
		Reduce output records=0
		Spilled Records=0
		Shuffled Maps =0
		Failed Shuffles=0
		Merged Map outputs=0
		GC time elapsed (ms)=0
		Total committed heap usage (bytes)=169222144
	Shuffle Errors
		BAD_ID=0
		CONNECTION=0
		IO_ERROR=0
		WRONG_LENGTH=0
		WRONG_MAP=0
		WRONG_REDUCE=0
	File Output Format Counters 
		Bytes Written=0

rm -Rf   /home/hadoop/data_hadoop/hdfs/name
rm -Rf   /home/hadoop/data_hadoop/hdfs/data
rm -Rf   /home/hadoop/data_hadoop/hdfs/tmp
mkdir -p  /home/hadoop/data_hadoop/hdfs/name
mkdir -p   /home/hadoop/data_hadoop/hdfs/data
mkdir -p /home/hadoop/data_hadoop/tmp