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courses:mapreduce-tutorial:step-7 [2012/01/24 19:05]
straka vytvořeno
courses:mapreduce-tutorial:step-7 [2012/01/25 00:45]
straka
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-====== MapReduce Tutorial : ======+====== 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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