How to exit the vi editor?
Name some companies that use Hadoop?
What is the communication channel between client and namenode/datanode?
What is a Record Reader in hadoop?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
what is SPF?
How Mapper is instantiated in a running job?
What do the master class and the output class do?
What is Derby database?
What is compute and Storage nodes?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
How blocks are distributed among all data nodes for a particular chunk of data?
What is the difference between traditional RDBMS and Hadoop?
What is hadoop framework?
What is version-id mismatch error in hadoop?