Run
ssh dkm_eld@narcana-webdanica01.statsbiblioteket.dk yarn jar /usr/hdp/current/hadoop-mapreduce-client/hadoop-mapreduce-examples.jar pi 32 100000
TODO: change this to use the narcana-suite01.statsbiblioteket.dk machine when it comes online
This logs into a machine and runs a "calc pi" example to test that the cluster works
The output should be something like this
Number of Maps = 32
Samples per Map = 100000
Wrote input for Map #0
Wrote input for Map #1
Wrote input for Map #2
Wrote input for Map #3
Wrote input for Map #4
Wrote input for Map #5
Wrote input for Map #6
Wrote input for Map #7
Wrote input for Map #8
Wrote input for Map #9
Wrote input for Map #10
Wrote input for Map #11
Wrote input for Map #12
Wrote input for Map #13
Wrote input for Map #14
Wrote input for Map #15
Wrote input for Map #16
Wrote input for Map #17
Wrote input for Map #18
Wrote input for Map #19
Wrote input for Map #20
Wrote input for Map #21
Wrote input for Map #22
Wrote input for Map #23
Wrote input for Map #24
Wrote input for Map #25
Wrote input for Map #26
Wrote input for Map #27
Wrote input for Map #28
Wrote input for Map #29
Wrote input for Map #30
Wrote input for Map #31
Starting Job
19/02/06 10:38:54 INFO client.AHSProxy: Connecting to Application History server at narcana-ambari01.statsbiblioteket.dk/172.16.221.201:10200
19/02/06 10:38:54 INFO client.RequestHedgingRMFailoverProxyProvider: Looking for the active RM in [rm1, rm2]...
19/02/06 10:38:54 INFO client.RequestHedgingRMFailoverProxyProvider: Found active RM [rm1]
19/02/06 10:38:54 INFO input.FileInputFormat: Total input paths to process : 32
19/02/06 10:38:54 INFO mapreduce.JobSubmitter: number of splits:32
19/02/06 10:38:54 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1538986315878_0073
19/02/06 10:38:55 INFO impl.YarnClientImpl: Submitted application application_1538986315878_0073
19/02/06 10:38:55 INFO mapreduce.Job: The url to track the job: http://narcana-yarn01.statsbiblioteket.dk:8088/proxy/application_1538986315878_0073/
19/02/06 10:38:55 INFO mapreduce.Job: Running job: job_1538986315878_0073
19/02/06 10:39:00 INFO mapreduce.Job: Job job_1538986315878_0073 running in uber mode : false
19/02/06 10:39:00 INFO mapreduce.Job: map 0% reduce 0%
19/02/06 10:39:08 INFO mapreduce.Job: map 41% reduce 0%
19/02/06 10:39:09 INFO mapreduce.Job: map 91% reduce 0%
19/02/06 10:39:11 INFO mapreduce.Job: map 100% reduce 0%
19/02/06 10:39:12 INFO mapreduce.Job: map 100% reduce 100%
19/02/06 10:39:12 INFO mapreduce.Job: Job job_1538986315878_0073 completed successfully
19/02/06 10:39:12 INFO mapreduce.Job: Counters: 50
File System Counters
FILE: Number of bytes read=710
FILE: Number of bytes written=4931245
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
HDFS: Number of bytes read=8214
HDFS: Number of bytes written=215
HDFS: Number of read operations=131
HDFS: Number of large read operations=0
HDFS: Number of write operations=3
Job Counters
Launched map tasks=32
Launched reduce tasks=1
Data-local map tasks=28
Rack-local map tasks=4
Total time spent by all maps in occupied slots (ms)=1037430
Total time spent by all reduces in occupied slots (ms)=17340
Total time spent by all map tasks (ms)=207486
Total time spent by all reduce tasks (ms)=1734
Total vcore-milliseconds taken by all map tasks=207486
Total vcore-milliseconds taken by all reduce tasks=1734
Total megabyte-milliseconds taken by all map tasks=1062328320
Total megabyte-milliseconds taken by all reduce tasks=17756160
Map-Reduce Framework
Map input records=32
Map output records=64
Map output bytes=576
Map output materialized bytes=896
Input split bytes=4438
Combine input records=0
Combine output records=0
Reduce input groups=2
Reduce shuffle bytes=896
Reduce input records=64
Reduce output records=0
Spilled Records=128
Shuffled Maps =32
Failed Shuffles=0
Merged Map outputs=32
GC time elapsed (ms)=2645
CPU time spent (ms)=38920
Physical memory (bytes) snapshot=76612993024
Virtual memory (bytes) snapshot=215665999872
Total committed heap usage (bytes)=77488717824
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=3776
File Output Format Counters
Bytes Written=97
Job Finished in 18.316 seconds
Estimated value of Pi is 3.14158625000000000000