Answer / Pande Rajkumar Ayugyanarayan

Cloudera provides a distribution of Apache Hadoop optimized for enterprise environments, offering a comprehensive platform for data storage, processing, and analysis.

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

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How to restart NameNode or all the daemons in Hadoop?

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Explain what is sequencefileinputformat?

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How can you set an arbitrary number of mappers to be created for a job in Hadoop?

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Ideally what should be the block size in hadoop?

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What is the problem with small files in Hadoop?

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When should be hadoop archive create?

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Ideally what should be the replication factor in hadoop?

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How analysis of Big Data is useful for organizations?

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Define data cleansing?

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Define “speculative execution” in hadoop?

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Clarify what is sqoop in hadoop?

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