Apache HDFS Hadoop Distributed File System Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache HDFS Hadoop Distributed File System Interview Questions

Questions Answers Views Company eMail

What is HDFS?

1 151

Why HDFS?

1 156

How to Delete file from HDFS?

1 166

How to keep files in HDFS?

1 169

How is NFS different from HDFS?

1 158

Why is block size large in Hadoop?

1 158

Distinguish HDFS Block and Input Unit?

1 147

What are the difference between of the “HDFS Block” and “Input Split”?

1 190

What happens when two users try to access to the same file in HDFS?

1 188

Does the HDFS go wrong? If so, how?

1 163

Why is HDFS only suitable for large data sets and not the correct tool to use for many small files?

1 178

What happens when two clients try to access the same file on HDFS?

1 290

What are the different file permissions in the HDFS for files or directory levels?

1 258

How to read file in HDFS?

1 156

When NameNode enter in Safe Mode?

1 146

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