What is HDFS - Hadoop Distributed File System?
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what is difference between int and intwritable?
What is output format in hadoop?
Define streaming access?
What does /etc /init.d do?
What are the characteristics of hadoop framework?
Explain the basic architecture of Hadoop?
Where is the Mapper Output stored?
Can we do online transactions(oltp) using hadoop?
How we can take Hadoop out of Safe Mode?
What is the main purpose of HDFS fsck command?
Can you explain how do ‘map’ and ‘reduce’ work?
What are the functions of NameNode?
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