How to enable/configure the compression of map output data in hadoop?
What will you do when NameNode is down?
What are the functions of NameNode?
How can we change the split size if our commodity hardware has less storage space?
What is hbase in hadoop?
Do we need to give a password, even if the key is added in ssh?
Can NameNode and DataNode be a commodity hardware?
Define tasktracker.
Explain the basic architecture of Hadoop?
What is difference between split and block in hadoop?
How can you connect an application
Define streaming access?
How do you define "block" in HDFS?