Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What are the site-specific configuration files in Hadoop?
What is keyvaluetextinputformat?
What is speculative execution in Hadoop?
On What concept the Hadoop framework works?
What is the function of ApplicationMaster?
What is a checkpoint?
How would you tackle counting words in several text documents?
What is the default block size in hdfs?
Who invented hadoop?
Does the hdfs client decide the input split or namenode?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Define tasktracker.