hadoop2.7.3 词频统计

Posted 2021-01-29 因为专注。所以专业

[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