Define a daemon?
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What do shuffling do?
What are the site-specific configuration files in Hadoop?
What is Apache Hadoop?
What are the stable versions of Hadoop?
Define a combiner?
What is HDFS - Hadoop Distributed File System?
Explain what happens in textinformat ?
What is the purpose of RawComparator interface?
What is compute and Storage nodes?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
What is a block and block scanner in HDFS?
Which data storage components are used by hadoop?
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