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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
Use of list-tables command in hadoop sqoop?
What are the exception handling operators in Pig script?
What are the differences between PIG and SQL?
What are the four basic parameters of a reducer?
Explain transformation and action in RDD in Apache Spark?
What is partitioning?
What do you mean by Thrift in Cassandra?
What is a MapReduce Combiner?
What is spark sqlcontext?
Explain combiners.
Name a few companies that use Apache Spark in production?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
What is the function of HMaster?
Is the keyword ‘DEFINE’ as a function name?
