1. Categories >> Software >> Big Data >> Hadoop >> Apache HDFS Hadoop Distributed File System
  2. Suggest New Category
Apache HDFS Hadoop Distributed File System Interview Questions
Questions Answers Views Company eMail

What is NameNode and DataNode in HDFS?

 35

Why HDFS stores data using commodity hardware despite the higher chance of failures?

 21

What are file permissions in HDFS and how HDFS check permissions for files or directory?

 26

How data or file is written into HDFS?

 37

What is throughput? How does HDFS get a good throughput?

 34

What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?

 31

List the various HDFS daemons in HDFS cluster?

 20

What is the difference between NAS and HDFS?

 55

If data is present in HDFS and RF is defined, then how can we change Replication Factor?

 24

What do you mean by metadata in HDFS? Where is it stored in Hadoop?

 73

What is the optimal block size in HDFS?

 30

What do you mean by metadata in HDFS?

 44

Data node block size in HDFS, why 64MB?

 30

What happens if the block in HDFS is corrupted?

 19

What is Fault Tolerance in HDFS?

 29

Post New Apache HDFS Hadoop Distributed File System Questions

Un-Answered Questions { Apache HDFS Hadoop Distributed File System }

What is a rack awareness algorithm?

47

Explain how HDFS communicates with Linux native file system?

26

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

112

What is a rack awareness algorithm and why is it used in hadoop?

22

How to transfer data from Hive to HDFS?

26




How can one copy a file into HDFS with a different block size to that of existing block size configuration?

38

Explain how indexing in hdfs is done?

21

Explain the difference between nas and hdfs?

24

While processing data from hdfs, does it execute code near data?

26

How one can format Hadoop HDFS?

29

Can you modify the file present in hdfs?

63

What is Secondary NameNode in Hadoop HDFS?

51

How hdfs is different from traditional file systems?

36

Clarify the difference between nas and hdfs.

21

Describe HDFS Federation?

26

For More Un-Answered { Apache HDFS Hadoop Distributed File System } Questions Click Here