Question: Consider a Hadoop cluster with 8 0 data nodes spread across 8 racks, each containing 1 0 data nodes. The cluster utilizes rack awareness for

Consider a Hadoop cluster with

80

data nodes spread across

8

racks, each containing

10

data nodes. The cluster utilizes rack awareness for fault tolerance and data locality. If each data block is replicated four times, calculate the total number of replicas required for a data block stored on this cluster. How many copies of each block will be stored if a file consists of

150

data blocks? Discuss the role of rack awareness in ensuring fault tolerance and data locality in this scenario.

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