What is HDFS?
How to Delete file from HDFS?
How to keep files in HDFS?
How is NFS different from HDFS?
Why is block size large in Hadoop?
Distinguish HDFS Block and Input Unit?
What are the difference between of the “HDFS Block” and “Input Split”?
What happens when two users try to access to the same file in HDFS?
Does the HDFS go wrong? If so, how?
Why is HDFS only suitable for large data sets and not the correct tool to use for many small files?
What happens when two clients try to access the same file on HDFS?
What are the different file permissions in the HDFS for files or directory levels?
How to read file in HDFS?
When NameNode enter in Safe Mode?