[MAPREDUCE-3931] MR tasks failing due to changing timestamps on Resources to download

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.2
• Component/s: mrv2
• Hadoop Flags: Reviewed
• Release Note: Changed PB implementation of LocalResource to take locks so that race conditions don't fail tasks by inadvertantly changing the timestamps.
• Assignee: Siddharth Seth
• Reporter: Vinod Kumar Vavilapalli
• Created: 27/Feb/12 22:30
• Updated: 29/Feb/12 13:57
• Resolved: 29/Feb/12 04:58

Description

Karam Singh reported this offline. Seems that tasks are randomly failing during gridmix runs:

2012-02-24 21:03:34,912 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl: Diagnostics report from attempt_1330116323296_0140_m_003868_0: RemoteTrace:
java.io.IOException: Resource hdfs://hostname.com:8020/user/hadoop15/.staging/job_1330116323296_0140/job.jar changed on src filesystem (expected 2971811411, was 1330116705875
       at org.apache.hadoop.yarn.util.FSDownload.copy(FSDownload.java:90)
       at org.apache.hadoop.yarn.util.FSDownload.access$000(FSDownload.java:49)
       at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:157)
       at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:155)
       at java.security.AccessController.doPrivileged(Native Method)
       at javax.security.auth.Subject.doAs(Subject.java:396)
       at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
       at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:153)
       at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:49)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
       at java.lang.Thread.run(Thread.java:619)
 at LocalTrace:
       org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl: Resource hdfs://hostname.com:8020/user/hadoop15/.staging/job_1330116323296_0140/job.jar changed on src filesystem (expected 2971811411, was 1330116705875
       at org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalResourceStatusPBImpl.convertFromProtoFormat(LocalResourceStatusPBImpl.java:217)
       at org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalResourceStatusPBImpl.getException(LocalResourceStatusPBImpl.java:147)
       at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.update(ResourceLocalizationService.java:827)
       at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerTracker.processHeartbeat(ResourceLocalizationService.java:497)
       at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.heartbeat(ResourceLocalizationService.java:222)
       at org.apache.hadoop.yarn.server.nodemanager.api.impl.pb.service.LocalizationProtocolPBServiceImpl.heartbeat(LocalizationProtocolPBServiceImpl.java:46)
       at org.apache.hadoop.yarn.proto.LocalizationProtocol$LocalizationProtocolService$2.callBlockingMethod(LocalizationProtocol.java:57)
       at org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine$Server.call(ProtoOverHadoopRpcEngine.java:342)
       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1493)
       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1489)
       at java.security.AccessController.doPrivileged(Native Method)
       at javax.security.auth.Subject.doAs(Subject.java:396)
       at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
       at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1487)