What problems have you faced when you are working on Hadoop code?
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What is the difference between rdbms and hadoop?
What is inputsplit in hadoop? Explain.
How many Daemon processes run on a Hadoop system?
What does /var/hadoop/pids do?
What is HDFS High Availability?
What is the difference between SQL and NoSQL?
What problems can be addressed by using Zookeeper?
Explain what is sqoop in Hadoop ?
What is Apache Hadoop?
What are the modes in which Apache Hadoop run?
What is compute and Storage nodes?
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?