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The following page has been changed by OwenOMalley: http://wiki.apache.org/lucene-hadoop/Sort ------------------------------------------------------------------------------ To run the program:[[BR]] bin/hadoop jar hadoop-*-examples.jar sort [-m <#maps>] [-r <#reduces>] <in-dir> <out-dir> + == Running Sort Benchmark == + + To use the sort example as a benchmark, generate 10GB/node of random data using RandomWriter. Then sort the data using ["Sort"]. This provides a sort benchmark that scales depending on the size of the cluster. By default, the ["Sort"] programs uses 1.0 * capacity for the number of reduces and depending on your cluster you may see better results at 1.75 * capacity. +
