What are the different methods to run Spark over Apache Hadoop?
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What infrastructure do we need to process 100 TB data using Hadoop?
Can Apache Kafka be used without Zookeeper?
Can you explain how do ‘map’ and ‘reduce’ work?
On what basis Namenode will decide which datanode to write on?
What is keyvaluetextinputformat?
What are the main components of a Hadoop Application?
What is DistributedCache and its purpose?
What does job conf class do?
What is a secondary namenode?
How to enable trash/recycle bin in hadoop?
Is a job split into maps?
Explain how do ‘map’ and ‘reduce’ works?
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