How can one check whether NameNode is working or not?
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Mention what is rack awareness?
Give examples of some companies that are using Hadoop structure?
What is Fault Tolerance?
Can you define a checkpoint?
What is the difference between namenode and datanode in hadoop?
What is Erasure Coding in Hadoop?
What is CAP Theorem? What aspects does Hadoop support from this theorem?
What is the hadoop-core configuration?
What is the most widely recognized info formats characterized in hadoop?
What is data cleansing?
What is LazyOutputFormat in Hadoop?
What is Distributed Cache in Hadoop?
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