What is a commodity hardware? Does commodity hardware include RAM?
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What is streaming access?
Specify what the information segments utilized by hadoop are?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
what is next step after mapper or maptask?
Give a brief overview of Hadoop history?
According to IBM, what are the three characteristics of Big Data?
What are the modes in which Hadoop run?
What is the basic difference between traditional RDBMS and Hadoop?
Mention how hadoop is different from other data processing tools?
What is the use of recordreader in hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnode?
Mention what does the text input format do?
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