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How to start working with MapReduce?

April 26, 2017mapreduce working

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How to start working with MapReduce?

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edit conf/nutch-site.xml fs.default.name localhost:9000 The name of the default file system. Either the literal string “local” or a host:port for NDFS. mapred.job.tracker localhost:9001 The host and port that the MapReduce job tracker runs at. If “local”, then jobs are run in-process as a single map and reduce task. edit conf/mapred-default.xml mapred.map.tasks 4 define mapred.map.tasks to be multiple of number of slave hosts mapred.reduce.tasks 2 define mapred.reduce tasks to be number of slave hosts create a file with slave host names % echo localhost >> ~/.slaves % echo somemachin >> ~/.slaves start all ndfs & mapred daemons % bin/start-all.sh create a directory with seed lis