What are the four characteristics of Big Data?
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Explain why the name ‘hadoop’?
What is output format in hadoop?
how is a file of the size 1 GB uncompressed
Which one is default InputFormat in Hadoop ?
What platform and java version are required to run hadoop?
What is the difference between a Hadoop and Relational Database and Nosql?
How the Client communicates with HDFS?
How client application interacts with the NameNode?
how would you modify that solution to only count the number of unique words in all the documents?
What is Safemode in Apache Hadoop?
How Mapper is instantiated in a running job?
Can hbase run without hadoop?