What is difference between split and block in hadoop?
On what basis data will be stored on a rack?
What is HDFS block size and what did you chose in your project?
What is Derby database?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What are the problems with Hadoop 1.0?
What is speculative execution in Hadoop?
What is the difference between traditional RDBMS and Hadoop?
Define a datanode?
What is version-id mismatch error in hadoop?
How a task is scheduled by a jobtracker?
What does ‘jps’ command do?
Give the use of the bootstrap panel.