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

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How data or file is written into Hadoop HDFS?

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

What is Secondary NameNode in Hadoop HDFS?

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

Why HDFS performs replication, although it results in data redundancy in Hadoop?

Can multiple clients write into a Hadoop HDFS file concurrently?

On what basis name node distribute blocks across the data nodes in HDFS?

Why is Reading done in parallel and writing is not in HDFS?

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

How to create Users in hadoop HDFS?

How to transfer data from Hive to HDFS?

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

What is Hadoop Distributed File System- HDFS?

What is throughput in HDFS?

How to split single hdfs block into partitions rdd?

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

Distinguish HDFS Block and Input Unit?

Define HDFS and talk about their respective components?

How to transfer data from Hive to HDFS?

Can you change the block size of hdfs files?

Can you explain heartbeat in hdfs?

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

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

What does heartbeat in hdfs means?

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

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

How much Metadata will be created on NameNode in Hadoop?

How hdfs is different from traditional file systems?

What is hdfs block size?

How does data transfer happen from hdfs to hive?

Explain how indexing in hdfs is done?

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