data engineer interview questions – Page 4 – Ask The Science

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Asked: November 21, 2022

Define Balancer in HDFS.

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Define Balancer in HDFS.

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Asked: November 21, 2022

Expand on HDFS.

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Expand on HDFS.

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Asked: November 21, 2022

As a data engineer, how would you go about creating a new analytical product?

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As a data engineer, how would you go about creating a new analytical product?

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Asked: November 21, 2022

What does Hadoop’s Heartbeat mean?

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What does Hadoop’s Heartbeat mean?

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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

Explain HDFS’s Block and Block Scanner.

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Explain HDFS’s Block and Block Scanner.

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Asked: November 21, 2022

Which two messages does NameNode get from DataNode?

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Which two messages does NameNode get from DataNode?

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Asked: November 21, 2022

What is big data?

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What is big data?

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Asked: November 21, 2022

What role does Apache Hadoop’s distributed cache play?

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What role does Apache Hadoop’s distributed cache play?

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Asked: November 21, 2022

What happens when Block Scanner finds a faulty data block?

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What happens when Block Scanner finds a faulty data block?

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