[hadoop@localhost mapreduce]$ hadoop jar hadoop-mapreduce-examples-2.7.3.jar wordcount /home/hadoop/data/input/sp.txt /home/hadoop/data/output/sp_20181225
18/12/26 01:56:56 INFO client.RMProxy: Connecting to ResourceManager at hp001/192.168.66.81:8032
18/12/26 01:56:58 INFO input.FileInputFormat: Total input paths to process : 1
18/12/26 01:56:58 WARN hdfs.DFSClient: Caught exception
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Thread.join(Thread.java:1252)
at java.lang.Thread.join(Thread.java:1326)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.closeResponder(DFSOutputStream.java:609)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.endBlock(DFSOutputStream.java:370)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:546)
18/12/26 01:56:58 WARN hdfs.DFSClient: Caught exception
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Thread.join(Thread.java:1252)
at java.lang.Thread.join(Thread.java:1326)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.closeResponder(DFSOutputStream.java:609)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.endBlock(DFSOutputStream.java:370)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:546)
18/12/26 01:56:58 INFO mapreduce.JobSubmitter: number of splits:1
18/12/26 01:56:59 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1545759347429_0002
18/12/26 01:57:01 INFO impl.YarnClientImpl: Submitted application application_1545759347429_0002
18/12/26 01:57:01 INFO mapreduce.Job: The url to track the job: http://hp001:8088/proxy/application_1545759347429_0002/
18/12/26 01:57:01 INFO mapreduce.Job: Running job: job_1545759347429_0002
18/12/26 01:57:30 INFO mapreduce.Job: Job job_1545759347429_0002 running in uber mode : false
18/12/26 01:57:30 INFO mapreduce.Job: map 0% reduce 0%
18/12/26 01:57:51 INFO mapreduce.Job: map 100% reduce 0%
18/12/26 01:58:11 INFO mapreduce.Job: map 100% reduce 100%
18/12/26 01:58:13 INFO mapreduce.Job: Job job_1545759347429_0002 completed successfully
18/12/26 01:58:16 INFO mapreduce.Job: Counters: 49
File System Counters
FILE: Number of bytes read=54
FILE: Number of bytes written=237763
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
HDFS: Number of bytes read=141
HDFS: Number of bytes written=32
HDFS: Number of read operations=6
HDFS: Number of large read operations=0
HDFS: Number of write operations=2
Job Counters
Launched map tasks=1
Launched reduce tasks=1
Data-local map tasks=1
Total time spent by all maps in occupied slots (ms)=20696
Total time spent by all reduces in occupied slots (ms)=13782
Total time spent by all map tasks (ms)=20696
Total time spent by all reduce tasks (ms)=13782
Total vcore-milliseconds taken by all map tasks=20696
Total vcore-milliseconds taken by all reduce tasks=13782
Total megabyte-milliseconds taken by all map tasks=21192704
Total megabyte-milliseconds taken by all reduce tasks=14112768
Map-Reduce Framework
Map input records=4
Map output records=4
Map output bytes=40
Map output materialized bytes=54
Input split bytes=117
Combine input records=4
Combine output records=4
Reduce input groups=4
Reduce shuffle bytes=54
Reduce input records=4
Reduce output records=4
Spilled Records=8
Shuffled Maps =1
Failed Shuffles=0
Merged Map outputs=1
GC time elapsed (ms)=215
CPU time spent (ms)=1570
Physical memory (bytes) snapshot=287817728
Virtual memory (bytes) snapshot=4129759232
Total committed heap usage (bytes)=142573568
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=24
File Output Format Counters
Bytes Written=32
[hadoop@localhost mapreduce]$ cd
[hadoop@localhost ~]$ hadoop fs -ls /home/hadoop/data/output
Found 2 items
drwxr-xr-x - hadoop supergroup 0 2018-12-26 01:58 /home/hadoop/data/output/sp_20181225
drwxr-xr-x - hadoop supergroup 0 2018-12-17 18:36 /home/hadoop/data/output/wordcount
[hadoop@localhost ~]$ hadoop fs -ls /home/hadoop/data/output/sp_20181225
Found 2 items
-rw-r--r-- 1 hadoop supergroup 0 2018-12-26 01:58 /home/hadoop/data/output/sp_20181225/_SUCCESS
-rw-r--r-- 1 hadoop supergroup 32 2018-12-26 01:58 /home/hadoop/data/output/sp_20181225/part-r-00000
[hadoop@localhost ~]$ hadoop fs -cat /home/hadoop/data/output/sp_20181225/part-r-00000
hadoop 1
hive 1
mllib 1
spark 1
