Which files are used by the startup and shutdown commands?
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What do you understand from Node redundancy and is it exist in hadoop cluster?
What is Rack awareness?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
How to enable trash/recycle bin in hadoop?
How indexing is done in HDFS?
Main Components of Hadoop?
What is difference between regular file system and HDFS?
What are the basic available commands in Hadoop sqoop ?
Mention what are the data components used by Hadoop?
What is inputformat in hadoop?
Rack awareness of Namenode?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?