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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
What is difference between split and block in hadoop?
How to enable trash/recycle bin in hadoop?
What is Apache Hadoop YARN?
Define tasktracker.
Where is the Mapper Output stored?
How to keep HDFS cluster balanced?
On which port does ssh work?
Can Apache Kafka be used without Zookeeper?
Is map like a pointer?
What do shuffling do?
How to change replication factor of files already stored in HDFS?
What is a “Distributed Cache” in Apache Hadoop?
What is InputSplit and RecordReader?
What happens in a textinputformat?
What Mapper does?
