What does name-node mean in hadoop?
Define a sequence file in hadoop?
Explain small file problem in hadoop
How to use combiner in hadoop ?
Which modes can Hadoop be run in? List a few features for each mode?
Why slaves limited to 4000 in hadoop version 1?
List of some best tools that can be useful for data-analysis?
How is security achieved in Hadoop?
What is the use of cloudera?
How would you restart NameNode?
What is the use of recordreader in hadoop?
What is the purpose of context object?
Where are Hadoop’s configuration files located?
Give examples of some companies that are using Hadoop structure?
When we send a data to a node, do we allow settling in time, before sending another data to that node?