What is the difference between rdbms and hadoop?
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Which one is default InputFormat in Hadoop ?
What is Rack awareness?
How can you overwrite the replication factors in HDFS?
Explain the features of pseudo mode?
Can you tell us more about ssh?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What are the hadoop's three configuration files?
What is the use of Combiner?
What are the site-specific configuration files in Hadoop?
How does master slave architecture in the hadoop?
How to resolve small file problem in hdfs?
What is the difference between SQL and NoSQL?
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