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

Is namenode also a commodity?

How do you do a file system check in hdfs?

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

What are problems with small files and hdfs?

Can you explain heartbeat in hdfs?

Can you define a block and block scanner in hdfs?

Can you explain about the indexing process in hdfs?

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

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

What do you mean by block scanner in hdfs?

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

What does heartbeat in hdfs means?

What does hdfs mean?

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

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

Define hadoop archives?

Explain about the indexing process in hdfs?

How one can format Hadoop HDFS?

What do you mean by block scanner in hdfs?

Define HDFS and talk about their respective components?

How to remove safemode of namenode forcefully in HDFS?

Can you change the block size of hdfs files?

When NameNode enter in Safe Mode?

How data or file is written into HDFS?

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

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

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

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

How to change the replication factor of data which is already stored in HDFS?

How is indexing done in HDFS?

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