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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What is partitioning in MapReduce?
Explain Spark coalesce() operation?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
What is node in Cassandra?
What is the inputsplit in map reduce software?
What are the core methods of a Reducer?
Can you explain bloommapfile.
What do you understand by Lazy Evaluation?
Explain the Single point of Failure in Hadoop?
What is a map in pig?
Explain the uses of PIG?
how can you check whether Namenode is working beside using the jps command?
How to compress mapper output in Hadoop?
How many types of HBase Operations are there?
List out the different stream grouping in apache storm?
