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Exercise 3-4 Use the same cluster in the figure shown below for a file size of 50 GB. Each Data Node can store up to

Exercise 3-4 Use the same cluster in the figure shown below for a file size of 50 GB. Each Data Node can store up to 8GB of data. You need to allocate the data blocks, each of a 256MB size, in the cluster using a replication factor of 3. 1. Is the number of Data Nodes (12) sufficient to store this data file? 2. If not, how many more Data Nodes are needed? If needed, add them to the cluster in a separate rack and allocate the blocks in the modified cluster. 3. If 12 is sufficient, allocate the data blocks in the cluster. 4. Repeat steps 1 through 3 but with a block size of 128MB

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