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Apache HDFS Hadoop Distributed File System Interview Questions
Questions Answers Views Company eMail

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

 41

Does hdfs enable a customer to peruse a record, which is already opened for writing?

 32

What is the throughput?

 43

How does hdfs give great throughput?

 32

Will various customers write into an hdfs record simultaneously?

 40

Clarify the difference between nas and hdfs.

 35

What do you mean by meta information in hdfs?

 30

Can we change the document present in hdfs?

 35

Explain what is heartbeat in hdfs?

 33

Explain what is a difference between an input split and hdfs block?

 29

Explain how indexing in hdfs is done?

 30

Mention what is the best way to copy files between hdfs clusters?

 69

Mention what is the difference between hdfs and nas?

 67

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

 72

What is the difference between input split and hdfs block?

 89

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

What alternate way does HDFS provides to recover data in case a Namenode, without backup, fails and cannot be recovered?

31

Explain the difference between nas and hdfs?

34

Explain NameNode and DataNode in HDFS?

43

What do you mean by the high availability of a namenode? How is it achieved?

33

What is non-dfs used in hdfs web console

65

How one can change Replication factor when Data is already stored in HDFS

42

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

46

What do you mean by block scanner in hdfs?

36

How to perform the inter-cluster data copying work in HDFS?

42

Explain what is a difference between an input split and hdfs block?

29

What is Hadoop Distributed File System- HDFS?

40

Explain the process that overwrites the replication factors in HDFS?

51

Can multiple clients write into an HDFS file concurrently in hadoop?

68

What do you mean by meta information in hdfs?

30

Why does hive not store metadata information in hdfs?

27

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