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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 the relationship between apache hadoop, hbase, hive and cassandra?
what is difference between int and intwritable?
Explain the various table design approaches in HBase?
What is the difference between external table and managed table?
Explain REVERSE function in Hive with example?
What is the driver program in spark?
What is the difference between dataset and dataframe in spark?
Tell any two features of flume?
In hbase what is column families?
What is the key- value pair in MapReduce?
Is map like a pointer?
What is the problem with small files in Apache Hadoop?
What is the difference between store and dumps commands?
Explain bucketing in Hive?
Explain MemStore?
