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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "HadoopMapReduce" by DanielTunkelang
Date Thu, 09 Jul 2009 04:05:33 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by DanielTunkelang:
http://wiki.apache.org/hadoop/HadoopMapReduce

The comment on the change is:
updated link to deprecated Mapper class

------------------------------------------------------------------------------
  offsets.
  
  As key-value pairs are read from the !RecordReader they are
- passed to the configured [http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapred/Mapper.html
Mapper]. The user supplied Mapper does
+ passed to the configured [http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapreduce/Mapper.html
Mapper]. The user supplied Mapper does
  whatever it wants with the input pair and calls	[http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapred/OutputCollector.html#collect(org.apache.hadoop.io.WritableComparable,%20org.apache.hadoop.io.Writable)
OutputCollector.collect] with key-value pairs of its own choosing. The output it
  generates must use one key class and one value class.  This is because
  the Map output will be written into a SequenceFile

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