How is HDFS fault tolerant?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
Explain why do we need hadoop?
What is Input Split in hadoop?
How to restart Namenode?
what is the typical block size of an HDFS block?
What are the most commonly defined input formats in Hadoop?
Give the use of the bootstrap panel.
What is 'Key value pair' in HDFS?
What Mapper does?
Are Namenode and job tracker on the same host?
What is the jobtracker?
How will format the HDFS ?