What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
461What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
515Post New Hadoop General Questions
How jobtracker assign tasks to the tasktracker?
What are some of the characteristics of Hadoop framework?
Is it possible to have hadoop job output in multiple directories? If yes, how?
How to create hadoop archive?
What is check pointing in hadoop?
Explain how do you overwrite replication factor?
Define a record reader?
What are the primary phases of the reducer?
Explain the common input formats in hadoop?
What sorts of actions does the job tracker process perform?
Explain the usage of Context Object?
What is a Backup node in Hadoop?
What is Rack Awareness? What is its need in Hadoop?
What is the default replication factor and how will you change it?
What are 'slaves' and 'masters' in Hadoop?