[Lucene-hadoop Wiki] Update of "Sort" by OwenOMalley

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The following page has been changed by OwenOMalley:
http://wiki.apache.org/lucene-hadoop/Sort

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  = Sort Example =
  
- '''Sort''' example is a trivial map/reduce program that does nothing other than use the framework to fragment and sort the input data. The mapper is an Identity map, while the ruducer is an Identity reducer. The input and output are Sequence files, of which both key and value have a type of ''!BytesWritable''. 
+ The '''Sort''' example simply uses the map/reduce framework to sort the input directory into the output directory. The inputs and outputs must be Sequence files where the keys and values are !BytesWritable.
  
+ The mapper is the predefined !IdentityMapper and the ruducer is the predefined !IdentityReducer, both of which just pass their inputs directly to the output. 
- To run the example, the command syntax is[[BR]]
- bin/hadoop org.apache.hadoop.examples.Sort [-m <#maps>] [-r <#reduces>] <in-dir> <out-dir>
  
+ To run the program:
+ bin/hadoop jar hadoop-*-examples.jar sort [-m <#maps>] [-r <#reduces>] <in-dir> <out-dir>
+