Explain data engineering.
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Asked: November 21, 2022
What occurs if a user submits a new job when NameNode is down?
Explain “rack awareness.”
Describe streaming in Hadoop.
Describe the HDFS Safe mode.
What is Hadoop’s “Data Locality?”
What does SerDe in the Hive mean?
What role does Apache Hadoop’s distributed cache play?
Describe the distributed Hadoop file system.
How do you turn off the HDFS Data Node’s Block Scanner?