data engineer interview questions – Page 3 – Ask The Science

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Asked: November 21, 2022

Explain “rack awareness.”

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Explain “rack awareness.”

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Asked: November 21, 2022

List the elements of the Hive data model.

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List the elements of the Hive data model.

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Asked: November 21, 2022

What occurs if a user submits a new job when NameNode is down?

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What occurs if a user submits a new job when NameNode is down?

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Asked: November 21, 2022

Explain data engineering.

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Explain data engineering.

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Asked: November 21, 2022

What is Hadoop’s “Data Locality?”

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What is Hadoop’s “Data Locality?”

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Asked: November 21, 2022

Describe the HDFS Safe mode.

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Describe the HDFS Safe mode.

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Asked: November 21, 2022

Describe the distributed Hadoop file system.

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Describe the distributed Hadoop file system.

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Asked: November 21, 2022

Describe streaming in Hadoop.

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Describe streaming in Hadoop.

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Asked: November 21, 2022

What are the Secondary NameNode’s functions?

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What are the Secondary NameNode’s functions?

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Asked: November 21, 2022

How do you turn off the HDFS Data Node’s Block Scanner?

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How do you turn off the HDFS Data Node’s Block Scanner?

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