Can you explain how do ‘map’ and ‘reduce’ work?
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Explain the features of fully distributed mode?
What is safe mode in Hadoop?
Explain the hadoop configuration files at present?
What is HDFS - Hadoop Distributed File System?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is Apache Hadoop?
Explain the features of pseudo mode?
how to share the metastore within multiple users?
Explain the use of .mecia class?
On what basis name node distribute blocks across the data nodes?
Name some companies that use Hadoop?
Explain the basic architecture of Hadoop?
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