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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

How does data transfer happen from hdfs to hive?

 148

What is non-dfs used in hdfs web console

 67

If the source data gets updated every now and then, how will you synchronize the data in hdfs that is imported by sqoop?

 149

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

 58

What are tools available to send the streaming data to hdfs?

 39

how does hdfs ensure data integrity of data blocks stored in hadoop hdfs?

 37

Compare hbase vs hdfs?

 38

Which classes are used by the hive to read and write hdfs files?

 72

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

 40

Why does hive not store metadata information in hdfs?

 31

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

 46

What is a task tracker?

 45

Explain the difference between nas and hdfs?

 38

What is a job tracker?

 36

What is the difference betwaeen mapreduce engine and hdfs cluster?

 39

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

What happens if the block in HDFS is corrupted?

37

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

52

Define HDFS and talk about their respective components?

51

How to format the HDFS? How frequently it will be done?

36

What is Fault Tolerance in Hadoop HDFS?

41

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

58

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

58

Tell me two most commonly used commands in HDFS?

39

What do you mean by meta data in hdfs? List the files associated with metadata.

32

How is hdfs block size different from traditional file system block size?

50

How to restart NameNode or all the daemons in Hadoop HDFS?

59

How to transfer data from Hive to HDFS?

41

Explain how HDFS communicates with Linux native file system?

38

In HDFS, how Name node determines which data node to write on?

56

Clarify the difference between nas and hdfs.

35

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