Data Engineer Interview Questions
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What do you know about FSCK?
Define Balancer in HDFS.
What Skills Does a Data Engineer Need?
Describe NameNode.
Explain HDFS’s Block and Block Scanner.
Describe how Hive is used in the Hadoop ecosystem.
How do you turn off the HDFS Data Node’s Block Scanner?
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Asked: November 21, 2022
List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.
Explain “rack awareness.”