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Re: Difference between HDFS_BYTES_READ and the actual size of input files - MapReduce - [mail # user]
...Thanks Jeff, for your suggestions. I did run another test to study the extra copies you suggested.  First, I forgot to mention in the previous test, there are 256 files for each dataset...
   Author: Jeff LI, 2013-03-07, 16:45
Re: Host NameNode, DataNode, JobTracker or TaskTracker on the same machine - MapReduce - [mail # user]
...Thanks for your response.  I'm running SNN on another machine.  Could you explain a bit more on why I may run out of memory or disk?  I understand that NameNode holds file sys...
   Author: Jeff LI, 2013-02-14, 18:05
Start time, end time, and task tracker of individual tasks of a job - MapReduce - [mail # user]
...Hello,  Is there a way to obtain the information of each individual task of a map-reduce job, including start time, end time, which task tracker runs this task and so on?  I know t...
   Author: Jeff LI, 2012-11-20, 16:13
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