What is speculative execution in Hadoop?
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Main Components of Hadoop?
What are the different types of Znodes?
Define fault tolerance?
How can you overwrite the replication factors in HDFS?
Can we have multiple entries in the master files?
How to resolve small file problem in hdfs?
What does job conf class do?
What are sink processors?
what is a datanode?
What is version-id mismatch error in hadoop?
How many instances of JobTracker can run on a Hadoop Cluser?
What is the difference between SQL and NoSQL?
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