[root@hadoop01 mapreduce]# hadoop jar hadoop-mapreduce-examples-2.8.0.jar wordcount /input/ /output/wordcount
17/05/14 02:01:17 INFO client.RMProxy: Connecting to ResourceManager at hadoop01/172.16.253.128:8032
17/05/14 02:01:19 INFO input.FileInputFormat: Total input files to process : 2
17/05/14 02:01:19 INFO mapreduce.JobSubmitter: number of splits:2
17/05/14 02:01:19 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1494742494825_0002
17/05/14 02:01:20 INFO impl.YarnClientImpl: Submitted application application_1494742494825_0002
17/05/14 02:01:20 INFO mapreduce.Job: The url to track the job: http://hadoop01:8088/proxy/application_1494742494825_0002/
17/05/14 02:01:20 INFO mapreduce.Job: Running job: job_1494742494825_0002
17/05/14 02:01:35 INFO mapreduce.Job: Job job_1494742494825_0002 running in uber mode : false
17/05/14 02:01:35 INFO mapreduce.Job: map 0% reduce 0%
17/05/14 02:02:48 INFO mapreduce.Job: map 100% reduce 0%
17/05/14 02:03:22 INFO mapreduce.Job: map 100% reduce 100%
17/05/14 02:03:25 INFO mapreduce.Job: Job job_1494742494825_0002 completed successfully
17/05/14 02:03:28 INFO mapreduce.Job: Counters: 49
File System Counters
FILE: Number of bytes read=350
FILE: Number of bytes written=408885
FILE: Number of read operatiOns=0
FILE: Number of large read operatiOns=0
FILE: Number of write operatiOns=0
HDFS: Number of bytes read=584
HDFS: Number of bytes written=145
HDFS: Number of read operatiOns=9
HDFS: Number of large read operatiOns=0
HDFS: Number of write operatiOns=2
Job Counters
Launched map tasks=2
Launched reduce tasks=1
Data-local map tasks=2
Total time spent by all maps in occupied slots (ms)=145615
Total time spent by all reduces in occupied slots (ms)=17369
Total time spent by all map tasks (ms)=145615
Total time spent by all reduce tasks (ms)=17369
Total vcore-milliseconds taken by all map tasks=145615
Total vcore-milliseconds taken by all reduce tasks=17369
Total megabyte-milliseconds taken by all map tasks=149109760
Total megabyte-milliseconds taken by all reduce tasks=17785856
Map-Reduce Framework
Map input records=14
Map output records=70
Map output bytes=666
Map output materialized bytes=356
Input split bytes=196
Combine input records=70
Combine output records=30
Reduce input groups=19
Reduce shuffle bytes=356
Reduce input records=30
Reduce output records=19
Spilled Records=60
Shuffled Maps =2
Failed Shuffles=0
Merged Map outputs=2
GC time elapsed (ms)=9667
CPU time spent (ms)=3210
Physical memory (bytes) snapshot=330969088
Virtual memory (bytes) snapshot=6192197632
Total committed heap usage (bytes)=259284992
Shuffle Errors
BAD_ID=0
COnNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Input Format Counters
Bytes Read=388
File Output Format Counters
Bytes Written=145