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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
How does an hadoop application look like or their basic components?
Define a task tracker?
Where do you specify the Mapper Implementation?
How can you overwrite the replication factors in HDFS?
What is Derby database?
What is IdentityMapper?
Virtual Box & Ubuntu Installation?
What are the additional benefits YARN brings in to Hadoop?
Can Hadoop be compared to NOSQL database like Cassandra?
How to enable/configure the compression of map output data in hadoop?
Explain the features of pseudo mode?
In which location Name Node stores its Metadata and why?
What is the jobtracker and what it performs in a hadoop cluster?
What are the basic available commands in Hadoop sqoop ?
What is structured data?
