The need for data replication can arise in various scenarios like A. DataNode is the slave/worker node and holds the user data in the form of Data Blocks B. DataNode goes down C. Data Blocks get corrupted D. All of the above
The need for data replication can arise in various scenarios like A. DataNode is the slave/worker node and holds the user data in the form of Data Blocks B. DataNode goes down C. Data Blocks get corrupted D. All of the above
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