What are the different methods to run Spark over Apache Hadoop?
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What are watches?
What is HDFS ? How it is different from traditional file systems?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What happens in a textinputformat?
What are the two main components of ResourceManager?
What is Hadoop serialization?
What is the purpose of DataNode block scanner?
What is the full form of fsck?
Can you explain how do ‘map’ and ‘reduce’ work?
Mention what are the data components used by Hadoop?
How many Daemon processes run on a Hadoop system?
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