Hadoop - Cluster Administration
Why is it important to consider network bandwidth when planning Hadoop cluster sizing?
Why is it important to consider network bandwidth when planning Hadoop cluster sizing?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand role of network bandwidth
Network bandwidth affects how fast data moves between nodes during processing.Step 2: Evaluate impact on performance
Slow bandwidth can cause bottlenecks, reducing job speed and cluster efficiency.Final Answer:
Because data transfer speed affects job performance -> Option BQuick Check:
Network bandwidth = data transfer speed impact [OK]
Quick Trick: Network speed impacts data movement and job speed [OK]
Common Mistakes:
- Confusing bandwidth with CPU speed
- Thinking bandwidth controls disk size
- Ignoring network impact on performance
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