phases of the Mapper and Reducer in Map Reduce

This is for Hadoop eco system like HDFS, Map reduce, Hive, Hbase, Pig, sqoop,sqoop2, Avro, solr, hcatalog, impala, Oozie, Zoo Keeper and Hadoop distribution like Cloudera, Hortonwork etc.
mohit123
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phases of the Mapper and Reducer in Map Reduce

Postby mohit123 » Sun Sep 21, 2014 4:15 am

What are the main phases of the Mapper and Reducer in Map Reduce?


Guest

Re: phases of the Mapper and Reducer in Map Reduce

Postby Guest » Sun Sep 21, 2014 11:13 pm

Phases for Mappers:
Input Split and Record Reader, Mapper, Combiner and Partitioner.

Phases for Reducers:
Shuffle, Sort and Reducer and Output as per Key Value Type.


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