Explain a simple Map/Reduce problem.
What are the port numbers of namenode, job tracker and task tracker?
What is Distributed Cache?
How to enable recycle bin in hadoop?
What is a 'block' in HDFS?
What are the different methods to run Spark over Apache Hadoop?
Explain Erasure Coding in Apache Hadoop?
What do you understand from Node redundancy and is it exist in hadoop cluster?
Can hbase run without hadoop?
What is hadoop framework?
Explain the hadoop-core configuration?
How will format the HDFS ?
What is the full form of fsck?