This seems like a code bug, following your conversation.
Raghavendra/Bing, can one of you please create a ticket at
https://issues.apache.org/jira/secure/CreateIssue!default.jspa under
Hadoop MapReduce? That way it can get fixed in the next release.
Thanks,
+Vinod
>>> Also i set request.setHostName("client"); where client is the hostname of
>>> a node
>>> I checked the log to find the following error
>>> java.io.FileNotFoundException: File
>>> /local1/yarn/.yarn/local/usercache/rahul_2011/appcache/
>>> application_1325760852770_0001 does not exist
>>> at
>>> org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:431)
>>> at
>>> org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:815)
>>> at
>>> org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:143)
>>> at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:189)
>>> at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:700)
>>> at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:697)
>>> at
>>> org.apache.hadoop.fs.FileContext$FSLinkResolver.resolve(FileContext.java:2325)
>>> at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:697)
>>> at
>>> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:122)
>>> at
>>> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:237)
>>> at
>>> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:67)
>>> at
>>> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>>> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>>> at java.lang.Thread.run(Thread.java:636)
>>>
>>> i.e containers are only launching within the host where the application
>>> master runs while the other nodes always remain free.
>>> Any ideas.....
>>
>>
>
>
>
> --
> Bing Jiang
> Tel：(86)134-2619-1361
> National Research Center for Intelligent Computing Systems
> Institute of Computing technology
> Graduate University of Chinese Academy of Science
>
