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Re: Selecting a task for the tasktracker - HDFS - [mail # user]
...On top of that, the message indicates that you need to have your scheduler class in the mapred package.  Thanks, +Vinod Kumar Vavilapalli Hortonworks Inc. http://hortonworks.com/  ...
   Author: Vinod Kumar Vavilapalli, 2012-12-27, 18:11
Re: Stop at CallObjectMethod when daemon running - HDFS - [mail # user]
...Not familiar with your apr stuff, but you should capture getJobStatus() method instead of getAllJobs(). getJobStatus() is what is called for individual jobs, getAllJobs() is called only when...
   Author: Vinod Kumar Vavilapalli, 2012-12-10, 19:02
Re: "attempt*" directories in user logs - HDFS - [mail # user]
...MR launches multiple attempts for single Task in case of TaskAttempt failures or when speculative execution is turned on. In either case, a given Task will only ever have one successful Task...
   Author: Vinod Kumar Vavilapalli, 2012-12-10, 18:49
Re: Start time, end time, and task tracker of individual tasks of a job - HDFS - [mail # user]
...Most of this information is already available in the JobHistory files. And there are parsers to read from these files.  HTH +Vinod Kumar Vavilapalli Hortonworks Inc. http://hortonworks....
   Author: Vinod Kumar Vavilapalli, 2012-11-20, 18:43
Re: debugging hadoop streaming programs (first code) - HDFS - [mail # user]
...The mapreduce webUI gives you all the information you need for debugging you code. Depending on where your JobTracker is, you should go hit $JT_HOST_NAME:50030. And check the job link as wel...
   Author: Vinod Kumar Vavilapalli, 2012-11-20, 18:39
Re: terasort fails with error - HDFS - [mail # user]
...It seems like some of your nodes don't have correct permissions on the  hadoop-log-dir, you should check that. It may be only a subset of nodes  as you mentioned that Teragen seems...
   Author: Vinod Kumar Vavilapalli, 2012-08-30, 18:10
Re: Delays in worker node jobs - HDFS - [mail # user]
...Do you know if you have enough job-load on the system? One way to look  at this is to look for running map/reduce tasks on the JT UI at the same  time you are looking at the node's...
   Author: Vinod Kumar Vavilapalli, 2012-08-30, 00:14
Re: - HDFS - [mail # user]
...Are the usual fs commands working?  If it is just this one, try prepending HADOOP_ROOT_LOGGER=DEBUG,CONSOLE  to the command and see what more info you get.  +Vinod  On Ju...
   Author: Vinod Kumar Vavilapalli, 2012-07-03, 02:05
Re: [VOTE] Merge the HA branch to trunk tomorrow - March 2nd - HDFS - [mail # dev]
...Congrats to all hdfs-dev, and great work!  +Vinod   On Fri, Mar 2, 2012 at 4:52 PM, Aaron T. Myers  wrote:...
   Author: Vinod Kumar Vavilapalli, 2012-03-03, 00:58
Re: Merging the HA branch to trunk - Wednesday, February 29th - HDFS - [mail # dev]
...I think it is better if you start a fresh voting thread. I almost missed this given originally it was a discussion thread, perhaps others too.  Thanks +Vinod   On Wed, Feb 29, 2012...
   Author: Vinod Kumar Vavilapalli, 2012-03-01, 03:52
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