chongyuanhuang created MAPREDUCE-6062:
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Summary: Use TestDFSIO test random read : job failed
Key: MAPREDUCE-6062
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6062
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: benchmarks
Affects Versions: 2.2.0
Environment: command : hadoop jar $JAR_PATH TestDFSIO-read -random
-nrFiles 12 -size 8000
Reporter: chongyuanhuang
2014-09-01 13:57:29,876 WARN [main] org.apache.hadoop.mapred.YarnChild:
Exception running child : java.lang.IllegalArgumentException: n must be positive
at java.util.Random.nextInt(Random.java:300)
at
org.apache.hadoop.fs.TestDFSIO$RandomReadMapper.nextOffset(TestDFSIO.java:601)
at
org.apache.hadoop.fs.TestDFSIO$RandomReadMapper.doIO(TestDFSIO.java:580)
at
org.apache.hadoop.fs.TestDFSIO$RandomReadMapper.doIO(TestDFSIO.java:546)
at org.apache.hadoop.fs.IOMapperBase.map(IOMapperBase.java:134)
at org.apache.hadoop.fs.IOMapperBase.map(IOMapperBase.java:37)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1554)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
2014-09-01 13:57:29,886 INFO [main] org.apache.hadoop.mapred.Task: Runnning
cleanup for the task
2014-09-01 13:57:29,894 WARN [main]
org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter: Could not delete
hdfs://m101:8020/benchmarks/TestDFSIO/io_random_read/_temporary/1/_temporary/attempt_1409538816633_0005_m_000001_0
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