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The "HadoopMapReduce" page has been changed by LarsFrancke. The comment on this change is: linkfix - for real this time.... http://wiki.apache.org/hadoop/HadoopMapReduce?action=diff&rev1=26&rev2=27 -------------------------------------------------- that it will be written to the output specified by the [[http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapreduce/Partitioner.html|Partitioner]]. The default [[http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapreduce/lib/partition/HashPartitioner.html|HashPartitioner]] uses the hashcode function on the key's class (which means that this hashcode function must be good in order to achieve an even workload across the reduce tasks). - See [[http://svn.apache.org/viewvc/hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/package.html?view=markup|MapTask]] for details. + See [[http://svn.apache.org/viewvc/hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/MapTask.java?view=markup|MapTask]] for details. ''N'' input files will generate ''M'' map tasks to be run and each map task will generate as many output files as there are reduce
