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MapReduce >> mail # user >> Map Reduce Question


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Map Reduce Question

Hi,
I have a question in mapreduce api.
Would like to know the significance of the following items under jobconf class.ValueGroupingComparator
KeyComparator
Thanks,Anbu.        
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