How to debug Hadoop code?
What are the features of Pseudo mode?
What is Erasure Coding in Hadoop?
What are the four basic parameters of a mapper?
How does hadoop achieve fault tolerance?
How many maps are there in a particular job?
In which directory hadoop is installed?
Why slaves limited to 4000 in hadoop version 1?
If datanodes increase, then do we need to upgrade namenode?
Explain the common input formats in hadoop?
Can we deploye job tracker other than name node?
Define data cleansing?
Can you explain textinformat?