How to come out of the insert mode?
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What is the difference between rdbms and hadoop?
What does job conf class do?
Define streaming?
On what basis name node distribute blocks across the data nodes?
Who is a 'user' in HDFS?
How does master slave architecture in the hadoop?
What is HDFS Block size? How is it different from traditional file system block size?
What platform and java version are required to run hadoop?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What do you know about nlineoutputformat?
Which is the best hadoop certification?
What is the jobtracker and what it performs in a hadoop cluster?