Which are the two types of 'writes' in HDFS?
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What is a secondary namenode?
What are different types of filesystem?
What is HDFS - Hadoop Distributed File System?
What is the meaning of speculative execution in Hadoop? Why is it important?
Have you ever used Counters in Hadoop. Give us an example scenario?
What is the difference between traditional RDBMS and Hadoop?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Explain Erasure Coding in Apache Hadoop?
How do you define "block" in HDFS?
Define a commodity hardware? Does commodity hardware include ram?
What is compute and Storage nodes?
Explain the Job OutputFormat?
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