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Apache Hadoop (394) - MapReduce (354)
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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What is log compaction?
How can you see the list of stored jobs in sqoop metastore?
What is Output Format in MapReduce?
What is a namenode? How many instances of namenode run on a hadoop cluster?
What are the differences between PIG and SQL?
State some command line options?
What is the difference between spark and hive?
In hbase what is column families?
What are the disadvantages of using Spark?
Explain about the core components of a distributed Spark application?
Give any two features of flume?
What is the difference between dataset and dataframe in spark?
What are the differences between hadoop 1 and hadoop 2?
How can you use producer api code?
What is Shuffling and Sorting in a MapReduce?
