How would you tackle counting words in several text documents?
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What is the purpose of dfsadmin tool?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Define streaming access?
What if rack 2 and datanode fails?
What is Partioner in hadoop? Where does it run
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
Where is the Mapper Output intermediate kay-value data stored ?
How many instances of a jobtracker run on hadoop cluster?
What are the four characteristics of Big Data?
What is Safemode in Apache Hadoop?
How blocks are distributed among all data nodes for a particular chunk of data?
explain Metadata in Namenode?
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