Grokking the Advanced System Design Interview
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Mock Interview: HDFS
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Test your knowledge of HDFS's architecture by answering these questions.

How does HDFS scale?
How does HDFS ensure fault-tolerance and reliability of data?
How does HDFS manage high availability?
How does HDFS perform NameNode failover?
How does HDFS ensure file data integrity?
What is the use of Erasure Coding (EC) in HDFS?
Can HDFS handle small files efficiently?
How does HDFS handle DataNode failures?
How does HDFS separate control flow from data flow?

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