What other technologies have you used in hadoop sta ck?
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What is difference between split and block in hadoop?
What are the two main components of ResourceManager?
What is structured data?
How to enable recycle bin in hadoop?
What is a namenode? How many instances of namenode run on a hadoop cluster?
What is the difference between SQL and NoSQL?
What is HDFS - Hadoop Distributed File System?
What is the problem with HDFS and streaming data like logs
Have you ever used Counters in Hadoop. Give us an example scenario?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
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?
How we can change Replication factor when Data is on the fly?
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