What is the best hardware configuration to run Hadoop?
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In which location Name Node stores its Metadata and why?
What does ‘jps’ command do?
What is HDFS High Availability?
Which are the two types of 'writes' in HDFS?
what is the typical block size of an HDFS block?
Explain how is hadoop different from other data processing tools?
How does NameNode tackle DataNode failures?
Knox and Hadoop Development Tools?
Explain the basic difference between traditional rdbms and hadoop?
What are the modes in which Apache Hadoop run?
What is Input Split in hadoop?
How we can change Replication factor when Data is on the fly?
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