Can you explain commodity hardware?
How can native libraries be included in yarn jobs?
How to do ‘map’ and ‘reduce’ works?
Can you explain bloommapfile.
Why is checkpointing important in hadoop?
What happens when two clients try to access the same file in the hdfs?
What do you know about the speculative execution?
What are the differences between hadoop 1 and hadoop 2?
Why do the nodes are removed and added frequently in a hadoop cluster?
What is a namenode?
Can hadoop handle streaming data?
What is hadoop? Name the main components of a hadoop application?
What do you know about yarn?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
What is the purpose of exploding in hive?