What are configuration files in Hadoop?
What are the limitations of Hadoop?
Compare Hadoop 2 and Hadoop 3?
Explain Data Locality in Hadoop?
What is the problem with small files in Hadoop?
How is security achieved in Hadoop?
Why does one remove or add nodes in a Hadoop cluster frequently?
What is throughput in Hadoop?
How to restart NameNode or all the daemons in Hadoop?
What does jps command do in Hadoop?
What is fsck?
How to debug Hadoop code?
Explain Hadoop streaming?
What does hadoop-metrics.properties file do?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?