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

What is the difference between namenode, backup node and checkpoint namenode?

 52

Is namenode also a commodity?

 41

How do you do a file system check in hdfs?

 45

What is the difference between an input split and hdfs block?

 102

What are problems with small files and hdfs?

 38

Can you explain heartbeat in hdfs?

 42

Can you define a block and block scanner in hdfs?

 49

Can you explain about the indexing process in hdfs?

 36

What is the throughput? How does hdfs give great throughput?

 58

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

 31

What do you mean by block scanner in hdfs?

 38

What do you mean by meta information in hdfs? List the documents related to metadata.

 30

What does heartbeat in hdfs means?

 30

What does hdfs mean?

 41

Would you be able to change the block size of hdfs files?

 45

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

How to use hdfs put command for data transfer from flume to hdfs?

58

How is indexing done in Hadoop HDFS?

58

What do you mean by metadata in HDFS?

55

Explain the difference between nas and hdfs?

38

What is the command for archiving a group of files in hdfs.

37

Since the data is replicated thrice in hdfs, does it mean that any calculation done on one node will also be replicated on the other two?

41

Explain NameNode and DataNode in HDFS?

51

Can multiple clients write into an HDFS file concurrently?

65

Is the hdfs block size reduced to achieve faster query results?

40

How to split single hdfs block into partitions rdd?

46

Why do we need hdfs?

54

How to Delete file from HDFS?

59

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

45

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

146

What is the procedure to create users in HDFS and how to allocate Quota to them?

39

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