How many Daemon processes run on a Hadoop system?
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What is Hadoop streaming?
What is a block and block scanner in HDFS?
What are the two main parts of the hadoop framework?
Explain use cases where SequenceFile class can be a good fit?
How to enable recycle bin or trash in hadoop?
What is the heartbeat used for?
Define fault tolerance?
Where is the Mapper Output stored?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Explain the features of pseudo mode?
What is IdentityMapper?
What are the modules that constitute the Apache Hadoop 2.0 framework?
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