If the hadoop administrator needs to make a change, which configuration file does he need to change?
405Post New Hadoop General Questions
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
Can you explain indexing?
What are some typical functions of Job Tracker?
What is a combiner in hadoop?
What is Fault Tolerance?
What is the default replication factor in Hadoop and how will you change it?
Where is hadoop-env.sh file present?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
Is it possible to rename the output file, and if so, how?
What are the main components of hadoop?
Which are the three modes in which hadoop can be run?
What is the default replication factor and how will you change it?
What are the differences between hadoop 1 and hadoop 2?
What mode(s) can hadoop code be run in?
What are the common types of NOSQL data bases ?