Answer / Anita Devi

The key features of HDFS include: scalability, fault tolerance, high throughput, and support for large files. Additionally, it provides a simple file system interface that is built on top of Google's GFS paper.

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

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What is the importance of dfs.namenode.name.dir in HDFS?

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Why does hive not store metadata information in hdfs?

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What happens if the block in HDFS is corrupted?

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Why ‘Reading‘ is done in parallel and ‘Writing‘ is not in HDFS?

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What is Hadoop HDFS – Hadoop Distributed File System?

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Distinguish HDFS Block and Input Unit?

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

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What are the difference between of the “HDFS Block” and “Input Split”?

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Can you define a block and block scanner in hdfs?

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

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

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