How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
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Why do we need Hadoop Archives? How is it created?
What is active and passive NameNode in Hadoop?
Which one is default?
What is partitioning?
How NameNode tackle Datanode failures in Hadoop?
Can you explain textinformat?
What is namenode?
Explain how can you check whether namenode is working beside using the jps command?
How to do ‘map’ and ‘reduce’ works?
How can native libraries be included in yarn jobs?
How many datanodes can run on a single Hadoop cluster?
Explain what is speculative execution?
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