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HDFS >> mail # user >> set the number of reduce tasks in the wordcount by command line


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set the number of reduce tasks in the wordcount by command line
is it possible to set the number of reduce tasks in the wordcount
example when I launch the job by command line?

Thanks
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB