What are the modes in which Apache Hadoop run?
Is hadoop obsolete?
Main Components of Hadoop?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
Define streaming access?
Who is a 'user' in HDFS?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What are the port numbers of namenode, job tracker and task tracker?
What is safe mode in Hadoop?
Can Apache Kafka be used without Zookeeper?
how can we change Replication Factor?
How many JVMs run on a slave node?
Mention what is the use of Context Object?