What are the different types of Znodes?
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What is compute and Storage nodes?
Is secondary namenode a substitute to the namenode?
What is the meaning of speculative execution in Hadoop? Why is it important?
What are the four characteristics of Big Data?
Define a metadata?
What are the modes in which Apache Hadoop run?
Explain what is the purpose of RecordReader in Hadoop?
Explain the hadoop configuration files at present?
Is hadoop obsolete?
What is a speculative execution in Apache Hadoop MapReduce?
What is cloudera and why it is used?
What are different types of filesystem?