What is NoSQL?
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What are the problems with Hadoop 1.0?
What will you do when NameNode is down?
Which files are used by the startup and shutdown commands?
Where is the Mapper Output intermediate kay-value data stored ?
What are the four characteristics of Big Data?
Explain the use of tasktracker in the hadoop cluster?
How many Daemon processes run on a Hadoop system?
What is difference between regular file system and HDFS?
What is difference between split and block in hadoop?
What is the functionality of jobtracker in hadoop?
What are the hadoop's three configuration files?
What platform and java version are required to run hadoop?
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