What is a Record Reader in hadoop?
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What is hbase in hadoop?
What are the default configuration files that are used in hadoop?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
What are the four characteristics of Big Data?
What are the main components of a Hadoop Application?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What is the use of Combiner?
What is the jobtracker and what it performs in a hadoop cluster?
What is the problem with small files in Apache Hadoop?
How would you tackle counting words in several text documents?
Input Split & Record Reader and what they do?
what should be the ideal replication factor in hadoop?
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