Hi I am using hadoop 2.2.0. When I am trying to run pi example from jar , am getting following output ..
$ hadoop jar hadoop-2.2.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.2.0.jar pi 16 100000 Number of Maps = 16 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 Starting Job 15/08/04 10:26:49 INFO client.RMProxy: Connecting to ResourceManager at orion-00/192.168.0.10:8032 15/08/04 10:26:50 INFO impl.YarnClientImpl: Submitted application application_1438664093458_0001 to ResourceManager at orion-00/ 192.168.0.10:8032 15/08/04 10:26:50 INFO mapreduce.Job: The url to track the job: http://orion-00:8088/proxy/application_1438664093458_0001/ 15/08/04 10:26:50 INFO mapreduce.Job: Running job: job_1438664093458_0001 15/08/04 10:27:01 INFO mapreduce.Job: Job job_1438664093458_0001 running in uber mode : false *15/08/04 10:27:01 INFO mapreduce.Job: map 0% reduce 0%15/08/04 10:27:09 INFO mapreduce.Job: map 6% reduce 0%15/08/04 10:27:10 INFO mapreduce.Job: map 25% reduce 0%15/08/04 10:27:11 INFO mapreduce.Job: map 100% reduce 0%* 15/08/04 10:33:11 INFO mapreduce.Job: Job job_1438664093458_0001 failed with state FAILED due to: *java.io.FileNotFoundException: File does not exist: hdfs://orion-00:9000/user/bduser/QuasiMonteCarlo_1438664204371_1877107485/out/reduce-out* at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1110) at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) When I checked the logs , I can see the following error for each slave node : ./container_1438664093458_0001_01_000001/syslog:2015-08-04 10:27:09,755 *ERROR [RMCommunicator Allocator] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: ERROR IN CONTACTING RM. * ./container_1438664093458_0001_01_000001/syslog:2015-08-04 10:27:10,770 ERROR [RMCommunicator Allocator] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: ERROR IN CONTACTING RM. I searched for this error, but couldn't get a working solution. Some solution say that this could be possibly due to hdfs run out of disk space. If this is the case how can I figure out disk space usage? Please help. Thanks Ravikant
