What is a checkpoint?
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What is nlineoutputformat?
Explain the features of fully distributed mode?
How do you define "block" in HDFS?
What is Writable & WritableComparable interface?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What happens in a textinputformat?
What is unstructured data?
Can Apache Kafka be used without Zookeeper?
What will you do when NameNode is down?
What is commodity hardware?
What is the use of Combiner?
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