What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
702Post New Apache Hadoop Questions
What is oozie in hadoop?
How the Client communicates with HDFS?
What are the benefits of block transfer?
What is Derby database?
How can you overwrite the replication factors in HDFS?
What are the characteristics of hadoop framework?
How to change replication factor of files already stored in HDFS?
Define a commodity hardware? Does commodity hardware include ram?
Explain the use of .mecia class?
Name the examples of some companies that are using hadoop structure?
Define tasktracker.
How client application interacts with the NameNode?
On what basis data will be stored on a rack?
What is the difference between HDFS and NAS ?
What is a Secondary Namenode? Is it a substitute to the Namenode?