What happens to job tracker when namenode is down?


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More Apache Hadoop Interview Questions

What is the default replication factor?

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What is the communication channel between client and namenode/datanode?

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Give the use of the bootstrap panel.

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what are Task Tracker and Job Tracker?

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What is the purpose of DataNode block scanner?

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Name some companies that use Hadoop?

0 Answers   Airtel,


how can we change Replication Factor?

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What are the limitations of importing RDBMS tables into Hcatalog directly?

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How to enable/configure the compression of map output data in hadoop?

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Does this lead to security issues?

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What is unstructured data?

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How can we change the split size if our commodity hardware has less storage space?

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