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Re: recursive list in java without block - MapReduce - [mail # user]
...The FileSystem API doesn't provide a utility to do recursive listing yet, so you'd have to build it on your own.  MR and the Fs Shell, both do seem to have inbuilt support for such a ut...
   Author: Harsh J, 2013-05-16, 22:59
Re: Hadoop running the incorrect class - MapReduce - [mail # user]
...Check your "hadoop classpath" output - check on the output if your jar was placed on it directly.  Alternatively, use a tool such as https://github.com/mreid-moz/JarFinder, etc. to help...
   Author: Harsh J, 2013-05-16, 22:56
Re: Question about writing HDFS files - MapReduce - [mail # user]
...That is not true. HDFS writes are not staged to a local disk first before being written onto the DataNodes. The old architecture docs seem to suggest that the writes get staged to a local di...
   Author: Harsh J, 2013-05-16, 22:53
Re: Question on HDFS_BYTES_READ and HDFS_BYTES_WRITTEN - MapReduce - [mail # user]
...Hi Jim,  The counters you're looking at are counted at the FileSystem interface level, not at the more specific Task level (which have "map input bytes" and such).  This means that...
   Author: Harsh J, 2013-05-16, 07:56
[expand - 1 more] - Re: Map Tasks do not obey data locality principle........ - MapReduce - [mail # user]
...Hi Nikhil,  For (1) - Its hard to specifically tell what you may be doing wrong or differently than expected cause I don't have the source to look it up, but do you at least see the JT ...
   Author: Harsh J, 2013-05-16, 06:52
Re: Question about Name Spaces… - MapReduce - [mail # user]
...Do you see viewfs mounts coming useful there (i.e. in place of hardlinks across NSes)?  On Thu, May 16, 2013 at 3:49 AM, Michael Segel  wrote:    Harsh J...
   Author: Harsh J, 2013-05-16, 05:14
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