Hadoop - Cluster Administration
If each node in a Hadoop cluster has 4 TB of disk space and the cluster has 10 nodes, what is the total raw storage capacity?
If each node in a Hadoop cluster has 4 TB of disk space and the cluster has 10 nodes, what is the total raw storage capacity?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate total raw storage
Multiply disk space per node (4 TB) by number of nodes (10): 4 * 10 = 40 TB.Step 2: Confirm units and calculation
Units are consistent; total raw storage is 40 TB.Final Answer:
40 TB -> Option AQuick Check:
Total storage = nodes * disk per node [OK]
Quick Trick: Multiply node count by disk size for total storage [OK]
Common Mistakes:
- Confusing TB with GB
- Adding instead of multiplying
- Ignoring number of nodes
Master "Cluster Administration" in Hadoop
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