[MAPREDUCE-6062] Use TestDFSIO test random read : job failed

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2.0
• Component/s: benchmarks

Environment

command : hadoop jar $JAR_PATH TestDFSIO-read -random -nrFiles 12 -size 8000

• Assignee: Takuya Fukudome
• Reporter: chongyuanhuang
• Due: 01/Sep/14
• Created: 01/Sep/14 07:01
• Updated: 25/May/16 02:41

Description

This is log:
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