What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
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More Apache Hadoop Interview Questions
What will you do when NameNode is down?
How many Daemon processes run on a Hadoop system?
What do you know by storage and compute node?
what are the steps involved in decommissioning removing
Explain the basic difference between traditional rdbms and hadoop?
Is it necessary to write jobs for hadoop in the java language?
Explain the use of .mecia class?
Explain what happens in textinformat ?
What is the default replication factor?
Explain InputFormat?
What does job conf class do?
What are the main components of a Hadoop Application?
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