What does ‘jps’ command do?
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Explain the features of fully distributed mode?
What is hbase in hadoop?
What is the purpose of DataNode block scanner?
Why do we use Hadoop?
What if a namenode has no data?
On what basis data will be stored on a rack?
What problems have you faced when you are working on Hadoop code?
Rack awareness of Namenode?
What is a Record Reader in hadoop?
What is HDFS - Hadoop Distributed File System?
What are different types of filesystem?
What are the default configuration files that are used in hadoop?
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