Hadoop - Cluster Administration
Given a Hadoop cluster with 5 nodes, each having 16 CPU cores and 64 GB RAM, what is the total CPU cores and RAM available?
Given a Hadoop cluster with 5 nodes, each having 16 CPU cores and 64 GB RAM, what is the total CPU cores and RAM available?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate total CPU cores
Total CPU cores = number of nodes * CPU cores per node = 5 * 16 = 80 cores.Step 2: Calculate total RAM
Total RAM = number of nodes * RAM per node = 5 * 64 GB = 320 GB.Final Answer:
80 CPU cores and 320 GB RAM -> Option AQuick Check:
Total CPU = 5x16, Total RAM = 5x64 [OK]
Quick Trick: Multiply nodes by cores and RAM per node [OK]
Common Mistakes:
- Adding CPU cores and RAM instead of multiplying
- Mixing CPU cores with RAM units
- Using per node values as total
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