2.hadoop基本配置,本地模式,伪分布式搭建

happy_boy

# hadoop jar /soft/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.3.jar wordcount /input /output　　17/05/15 09:48:38 INFO client.RMProxy: Connecting to ResourceManager at localhost/127.0.0.1:8032
　　17/05/15 09:48:39 INFO input.FileInputFormat: Total input paths to process : 5
　　17/05/15 09:48:40 INFO mapreduce.JobSubmitter: number of splits:5
　　17/05/15 09:48:40 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1494855010567_0001
　　17/05/15 09:48:40 INFO impl.YarnClientImpl: Submitted application application_1494855010567_0001
　　17/05/15 09:48:40 INFO mapreduce.Job: The url to track the job: http://hadoop-1:8088/proxy/application_1494855010567_0001/
　　17/05/15 09:48:40 INFO mapreduce.Job: Running job: job_1494855010567_0001
　　17/05/15 09:48:48 INFO mapreduce.Job: Job job_1494855010567_0001 running in uber mode : false
　　17/05/15 09:48:48 INFO mapreduce.Job:  map 0% reduce 0%
　　17/05/15 09:48:59 INFO mapreduce.Job:  map 20% reduce 0%
　　17/05/15 09:49:00 INFO mapreduce.Job:  map 80% reduce 0%
　　17/05/15 09:49:01 INFO mapreduce.Job:  map 100% reduce 0%
　　17/05/15 09:49:06 INFO mapreduce.Job:  map 100% reduce 100%
　　17/05/15 09:49:06 INFO mapreduce.Job: Job job_1494855010567_0001 completed successfully
　　17/05/15 09:49:06 INFO mapreduce.Job: Counters: 50
　　File System Counters
　　FILE: Number of bytes read=114
　　FILE: Number of bytes written=711875
　　FILE: Number of read operations=0
　　FILE: Number of large read operations=0
　　FILE: Number of write operations=0
　　HDFS: Number of bytes read=539
　　HDFS: Number of bytes written=31
　　HDFS: Number of read operations=18
　　HDFS: Number of large read operations=0
　　HDFS: Number of write operations=2
　　Job Counters
　　Killed map tasks=1
　　Launched map tasks=5
　　Launched reduce tasks=1
　　Data-local map tasks=5
　　Total time spent by all maps in occupied slots (ms)=48562
　　Total time spent by all reduces in occupied slots (ms)=4413
　　Total time spent by all map tasks (ms)=48562
　　Total time spent by all reduce tasks (ms)=4413
　　Total vcore-milliseconds taken by all map tasks=48562
　　Total vcore-milliseconds taken by all reduce tasks=4413
　　Total megabyte-milliseconds taken by all map tasks=49727488
　　Total megabyte-milliseconds taken by all reduce tasks=4518912
　　Map-Reduce Framework
　　Map input records=5
　　Map output records=9
　　Map output bytes=90
　　Map output materialized bytes=138
　　Input split bytes=485
　　Combine input records=9
　　Combine output records=9
　　Reduce input groups=4
　　Reduce shuffle bytes=138
　　Reduce input records=9
　　Reduce output records=4
　　Spilled Records=18
　　Shuffled Maps =5
　　Failed Shuffles=0
　　Merged Map outputs=5
　　GC time elapsed (ms)=1662
　　CPU time spent (ms)=2740
　　Physical memory (bytes) snapshot=1523605504
　　Virtual memory (bytes) snapshot=12609187840
　　Total committed heap usage (bytes)=1084227584
　　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=54
　　File Output Format Counters
　　Bytes Written=31