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MapReduce Tutorial : Dynamic Hadoop cluster for several computations

When multiple MR jobs should be executed, it would be better to reuse the cluster instead of allocating a new one for every computation.

A cluster can be created using

/home/straka/hadoop/bin/hadoop-cluster -c number_of_machines [-w sec_to_run_the_cluster_for]

The syntax is the same as in perl script.pl run.

The associated

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