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我是hadoop mapreduce的新手,但是我安装了多节点集群,但是仍然可以执行顺序执行。
如果我的程序是否正在群集中的其他计算机上运行,我该如何解决?
这是执行的结果:
Picked up _JAVA_OPTIONS: -Xmx1g
16/06/07 14:49:16 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
16/06/07 14:49:19 INFO Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id
16/06/07 14:49:19 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId=
16/06/07 14:49:21 WARN mapreduce.JobSubmitter: Hadoop command-line option parsing not performed. Implement the Tool interface and execute your application with ToolRunner to remedy this.
16/06/07 14:49:21 INFO input.FileInputFormat: Total input paths to process : 3
16/06/07 14:49:22 INFO mapreduce.JobSubmitter: number of splits:3
16/06/07 14:49:23 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_local1881318657_0001
16/06/07 14:49:24 INFO mapreduce.Job: The url to track the job: http://localhost:8080/
16/06/07 14:49:24 INFO mapreduce.Job: Running job: job_local1881318657_0001
16/06/07 14:49:24 INFO mapred.LocalJobRunner: OutputCommitter set in config null
16/06/07 14:49:24 INFO mapred.LocalJobRunner: OutputCommitter is org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
16/06/07 14:49:24 INFO mapred.LocalJobRunner: Waiting for map tasks
16/06/07 14:49:24 INFO mapred.LocalJobRunner: Starting task: attempt_local1881318657_0001_m_000000_0
16/06/07 14:49:24 INFO mapred.Task: Using ResourceCalculatorProcessTree : [ ]
16/06/07 14:49:24 INFO mapred.MapTask: Processing split: hdfs://master:9000/input/leukemia.txt:0+1172207
16/06/07 14:49:24 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
16/06/07 14:49:24 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
16/06/07 14:49:24 INFO mapred.MapTask: soft limit at 83886080
16/06/07 14:49:24 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
16/06/07 14:49:24 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
16/06/07 14:49:24 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
16/06/07 14:49:25 INFO mapreduce.Job: Job job_local1881318657_0001 running in uber mode : false
16/06/07 14:49:25 INFO mapreduce.Job: map 0% reduce 0%
16/06/07 14:49:31 INFO mapred.LocalJobRunner: map > map
16/06/07 14:49:31 INFO mapreduce.Job: map 22% reduce 0%
-3.042421771435325E-9
-3.042421771435325E-9
-3.042421771435325E-9
-3.042421771435325E-9
-3.042421771435325E-9
-2.9889415942690763E-9
-2.9889415942690763E-9
-2.9889415942690763E-9
-2.9287384547432996E-9
-2.898469757139896E-9
-2.898469757139896E-9
-2.880377562441664E-9
-2.880377562441664E-9
-2.880377562441664E-9
-2.8430632294667886E-9
-2.819146987128837E-9
-2.819146987128837E-9
-2.819146987128837E-9
-2.819146987128837E-9
-2.819146987128837E-9
931
16/06/07 15:00:44 INFO mapred.LocalJobRunner: map > map
16/06/07 15:00:44 INFO mapred.MapTask: Starting flush of map output
16/06/07 15:00:44 INFO mapred.MapTask: Spilling map output
16/06/07 15:00:44 INFO mapred.MapTask: bufstart = 0; bufend = 14151; bufvoid = 104857600
16/06/07 15:00:44 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 26214396(104857584); length = 1/6553600
16/06/07 15:00:46 INFO mapred.MapTask: Finished spill 0
16/06/07 15:00:46 INFO mapred.Task: Task:attempt_local1881318657_0001_m_000000_0 is done. And is in the process of committing
16/06/07 15:00:47 INFO mapred.LocalJobRunner: map
16/06/07 15:00:47 INFO mapred.Task: Task 'attempt_local1881318657_0001_m_000000_0' done.
16/06/07 15:00:47 INFO mapred.LocalJobRunner: Finishing task: attempt_local1881318657_0001_m_000000_0
16/06/07 15:00:47 INFO mapred.LocalJobRunner: Starting task: attempt_local1881318657_0001_m_000001_0
16/06/07 15:00:48 INFO mapred.Task: Using ResourceCalculatorProcessTree : [ ]
16/06/07 15:00:48 INFO mapred.MapTask: Processing split: hdfs://master:9000/input/leukemia1.txt:0+1172207
16/06/07 15:00:48 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
16/06/07 15:00:48 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
16/06/07 15:00:48 INFO mapred.MapTask: soft limit at 83886080
16/06/07 15:00:48 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
16/06/07 15:00:48 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
16/06/07 15:00:48 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
16/06/07 15:00:48 INFO mapreduce.Job: map 100% reduce 0%
16/06/07 15:01:47 INFO mapred.LocalJobRunner: map > map
16/06/07 15:01:48 INFO mapreduce.Job: map 56% reduce 0%
-3.0279963370711145E-9
-3.0279963370711145E-9
-3.0279963370711145E-9
-3.0279963370711145E-9
-3.0279963370711145E-9
-3.001716001136338E-9
-2.997252637652067E-9
-2.997252637652067E-9
-2.9593407930592893E-9
-2.9178102507568847E-9
-2.9178102507568847E-9
-2.9178102507568847E-9
-2.8542232742481287E-9
-2.8542232742481287E-9
-2.8510431833778047E-9
-2.8510431833778047E-9
-2.8510431833778047E-9
-2.8510431833778047E-9
-2.8222418341121026E-9
-2.8222418341121026E-9
907
16/06/07 15:11:30 INFO mapred.LocalJobRunner: map > map
16/06/07 15:11:30 INFO mapred.MapTask: Starting flush of map output
16/06/07 15:11:30 INFO mapred.MapTask: Spilling map output
16/06/07 15:11:30 INFO mapred.MapTask: bufstart = 0; bufend = 14151; bufvoid = 104857600
16/06/07 15:11:30 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 26214396(104857584); length = 1/6553600
16/06/07 15:11:30 INFO mapred.MapTask: Finished spill 0
16/06/07 15:11:30 INFO mapred.Task: Task:attempt_local1881318657_0001_m_000001_0 is done. And is in the process of committing
16/06/07 15:11:30 INFO mapred.LocalJobRunner: map
16/06/07 15:11:30 INFO mapred.Task: Task 'attempt_local1881318657_0001_m_000001_0' done.
16/06/07 15:11:30 INFO mapred.LocalJobRunner: Finishing task: attempt_local1881318657_0001_m_000001_0
16/06/07 15:11:30 INFO mapred.LocalJobRunner: Starting task: attempt_local1881318657_0001_m_000002_0
16/06/07 15:11:30 INFO mapred.Task: Using ResourceCalculatorProcessTree : [ ]
16/06/07 15:11:30 INFO mapred.MapTask: Processing split: hdfs://master:9000/input/leukemia2.txt:0+1172207
16/06/07 15:11:30 INFO mapreduce.Job: map 100% reduce 0%
16/06/07 15:11:31 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
16/06/07 15:11:31 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
16/06/07 15:11:31 INFO mapred.MapTask: soft limit at 83886080
16/06/07 15:11:31 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
16/06/07 15:11:31 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
16/06/07 15:11:31 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
16/06/07 15:11:37 INFO mapred.LocalJobRunner: map > map
16/06/07 15:11:38 INFO mapreduce.Job: map 89% reduce 0%
-3.064963887619912E-9
-3.064963887619912E-9
-3.064963887619912E-9
-3.064963887619912E-9
-3.064963887619912E-9
-3.0090989883906007E-9
-2.9474075636124447E-9
-2.9474075636124447E-9
-2.9474075636124447E-9
-2.9388849943338927E-9
-2.9388849943338927E-9
-2.8915704649620403E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
-2.8102046711682226E-9
925
16/06/07 15:20:19 INFO mapred.LocalJobRunner: map > map
16/06/07 15:20:19 INFO mapred.MapTask: Starting flush of map output
16/06/07 15:20:19 INFO mapred.MapTask: Spilling map output
16/06/07 15:20:19 INFO mapred.MapTask: bufstart = 0; bufend = 14151; bufvoid = 104857600
16/06/07 15:20:19 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 26214396(104857584); length = 1/6553600
16/06/07 15:20:20 INFO mapred.MapTask: Finished spill 0
16/06/07 15:20:20 INFO mapred.Task: Task:attempt_local1881318657_0001_m_000002_0 is done. And is in the process of committing
16/06/07 15:20:22 INFO mapred.LocalJobRunner: map
16/06/07 15:20:22 INFO mapred.Task: Task 'attempt_local1881318657_0001_m_000002_0' done.
16/06/07 15:20:22 INFO mapred.LocalJobRunner: Finishing task: attempt_local1881318657_0001_m_000002_0
16/06/07 15:20:22 INFO mapred.LocalJobRunner: map task executor complete.
16/06/07 15:20:22 INFO mapreduce.Job: map 100% reduce 0%
16/06/07 15:20:23 INFO mapred.LocalJobRunner: Waiting for reduce tasks
16/06/07 15:20:23 INFO mapred.LocalJobRunner: Starting task: attempt_local1881318657_0001_r_000000_0
16/06/07 15:20:24 INFO mapred.Task: Using ResourceCalculatorProcessTree : [ ]
16/06/07 15:20:24 INFO mapred.ReduceTask: Using ShuffleConsumerPlugin: org.apache.hadoop.mapreduce.task.reduce.Shuffle@7f5be2d5
16/06/07 15:20:25 INFO reduce.MergeManagerImpl: MergerManager: memoryLimit=668309888, maxSingleShuffleLimit=167077472, mergeThreshold=441084544, ioSortFactor=10, memToMemMergeOutputsThreshold=10
16/06/07 15:20:25 INFO reduce.EventFetcher: attempt_local1881318657_0001_r_000000_0 Thread started: EventFetcher for fetching Map Completion Events
16/06/07 15:20:28 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local1881318657_0001_m_000002_0 decomp: 14157 len: 14161 to MEMORY
16/06/07 15:20:29 INFO reduce.InMemoryMapOutput: Read 14157 bytes from map-output for attempt_local1881318657_0001_m_000002_0
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 14157, inMemoryMapOutputs.size() -> 1, commitMemory -> 0, usedMemory ->14157
16/06/07 15:20:30 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local1881318657_0001_m_000001_0 decomp: 14157 len: 14161 to MEMORY
16/06/07 15:20:30 INFO reduce.InMemoryMapOutput: Read 14157 bytes from map-output for attempt_local1881318657_0001_m_000001_0
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 14157, inMemoryMapOutputs.size() -> 2, commitMemory -> 14157, usedMemory ->28314
16/06/07 15:20:30 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local1881318657_0001_m_000000_0 decomp: 14157 len: 14161 to MEMORY
16/06/07 15:20:30 INFO reduce.InMemoryMapOutput: Read 14157 bytes from map-output for attempt_local1881318657_0001_m_000000_0
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 14157, inMemoryMapOutputs.size() -> 3, commitMemory -> 28314, usedMemory ->42471
16/06/07 15:20:30 INFO reduce.EventFetcher: EventFetcher is interrupted.. Returning
16/06/07 15:20:30 INFO mapred.LocalJobRunner: 3 / 3 copied.
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: finalMerge called with 3 in-memory map-outputs and 0 on-disk map-outputs
16/06/07 15:20:30 INFO mapred.Merger: Merging 3 sorted segments
16/06/07 15:20:30 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 42435 bytes
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: Merged 3 segments, 42471 bytes to disk to satisfy reduce memory limit
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: Merging 1 files, 42471 bytes from disk
16/06/07 15:20:30 INFO reduce.MergeManagerImpl: Merging 0 segments, 0 bytes from memory into reduce
16/06/07 15:20:30 INFO mapred.Merger: Merging 1 sorted segments
16/06/07 15:20:30 INFO mapred.Merger: Down to the last merge-pass, with 1 segments left of total size: 42455 bytes
16/06/07 15:20:30 INFO mapred.LocalJobRunner: 3 / 3 copied.
16/06/07 15:20:33 INFO mapred.LocalJobRunner: reduce > reduce
16/06/07 15:20:33 INFO mapreduce.Job: map 100% reduce 67%
16/06/07 15:20:36 INFO mapred.LocalJobRunner: reduce > reduce
16/06/07 15:20:38 INFO Configuration.deprecation: mapred.skip.on is deprecated. Instead, use mapreduce.job.skiprecords
16/06/07 15:20:42 INFO mapred.LocalJobRunner: reduce > reduce
16/06/07 15:20:42 INFO mapreduce.Job: map 100% reduce 100%
16/06/07 15:20:44 INFO mapred.Task: Task:attempt_local1881318657_0001_r_000000_0 is done. And is in the process of committing
16/06/07 15:20:44 INFO mapred.LocalJobRunner: reduce > reduce
16/06/07 15:20:44 INFO mapred.Task: Task attempt_local1881318657_0001_r_000000_0 is allowed to commit now
16/06/07 15:20:45 INFO output.FileOutputCommitter: Saved output of task 'attempt_local1881318657_0001_r_000000_0' to hdfs://master:9000/output2/_temporary/0/task_local1881318657_0001_r_000000
16/06/07 15:20:45 INFO mapred.LocalJobRunner: reduce > reduce
16/06/07 15:20:45 INFO mapred.Task: Task 'attempt_local1881318657_0001_r_000000_0' done.
16/06/07 15:20:45 INFO mapred.LocalJobRunner: Finishing task: attempt_local1881318657_0001_r_000000_0
16/06/07 15:20:45 INFO mapred.LocalJobRunner: reduce task executor complete.
16/06/07 15:20:45 INFO mapreduce.Job: Job job_local1881318657_0001 completed successfully
16/06/07 15:20:46 INFO mapreduce.Job: Counters: 38
File System Counters
FILE: Number of bytes read=177067554
FILE: Number of bytes written=179551452
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
HDFS: Number of bytes read=10549863
HDFS: Number of bytes written=42438
HDFS: Number of read operations=37
HDFS: Number of large read operations=0
HDFS: Number of write operations=6
Map-Reduce Framework
Map input records=3
Map output records=3
Map output bytes=42453
Map output materialized bytes=42483
Input split bytes=557
Combine input records=0
Combine output records=0
Reduce input groups=2
Reduce shuffle bytes=42483
Reduce input records=3
Reduce output records=3
Spilled Records=6
Shuffled Maps =3
Failed Shuffles=0
Merged Map outputs=3
GC time elapsed (ms)=227283
CPU time spent (ms)=0
Physical memory (bytes) snapshot=0
Virtual memory (bytes) snapshot=0
Total committed heap usage (bytes)=2477260800
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=0
File Output Format Counters
Bytes Written=42438
最佳答案
通过工作ID。您说的是:job_local1881318657_0001 running in uber mode : false
。这是本地工作。如果您在集群上运行,则仅是工作以及应用程序主节点和尝试的标识符。
关于hadoop - 我如何知道我的hadoop mapreduce应用程序是否以分布式模式运行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37690727/
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