How is HDFS fault tolerant?
How to Administering Hadoop?
What are the main components of a Hadoop Application?
How to resolve small file problem in hdfs?
what factors the block size takes before creation?
Which are the two types of 'writes' in HDFS?
Explain use cases where SequenceFile class can be a good fit?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What is difference between regular file system and HDFS?
What is rack-aware replica placement policy?
Are Namenode and job tracker on the same host?
What are the limitations of Hive?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
What are the components of Hive architecture?
What is HDFS Federation?