Which one is default InputFormat in Hadoop ?
What problems can be addressed by using Zookeeper?
Mention what is the use of Context Object?
What are the different types of Znodes?
Explain the master class and the output class do?
What is Partioner in hadoop? Where does it run
What does /etc /init.d do?
What is the difference between Apache Hadoop and RDBMS?
What is the use of Combiner?
Who is a 'user' in HDFS?
Can Hadoop be compared to NOSQL database like Cassandra?
How many maximum jvm can run on a slave node?
Do we need to give a password, even if the key is added in ssh?