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Un-Answered Questions { Software }
When Hive is run in embedded mode
Can you execute Hadoop dfs Commands from Hive CLI? How?
List the various options available with the Hive command?
Why Mapreduce output written in local disk?
What is identity mapper and reducer? In which cases can we use them?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is the Hadoop MapReduce API contract for a key and value Class?
Explain the Reducer's Sort phase?
What can be optimum value for Reducer?
When is the reducers are started in a MapReduce job?
What is the input type/format in MapReduce by default?
What is the default value of map and reduce max attempts?
What is the Reducer used for?
What comes in Hadoop 2.0 and MapReduce V2 YARN
Why comparison of types is important for MapReduce?
