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 }

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

Differentiate HDFS & HBase?

How does HDFS Index Data blocks? Explain.

How one can format Hadoop HDFS?

Explain how are file systems checked in hdfs?

What is throughput? How does hdfs provides good throughput?

Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?

What is a block?

What is non-dfs used in hdfs web console

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

How data or file is read in HDFS?

What do you mean by metadata in Hadoop?

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

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

What is hdfs in big data?

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