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What is the main purpose of Hadoop logs in managing a cluster?

easy📝 Conceptual Q11 of 15
Hadoop - Cluster Administration
What is the main purpose of Hadoop logs in managing a cluster?
ATo speed up data processing
BTo show what happens inside Hadoop and help find problems
CTo store user data permanently
DTo backup Hadoop configuration files
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of logs

    Logs record events and actions inside Hadoop components.

  2. Step 2: Identify the purpose of logs in troubleshooting

    Logs help find and fix problems by showing errors and system behavior.

  3. Final Answer:

    To show what happens inside Hadoop and help find problems -> Option B

  4. Quick Check:

    Logs = Problem detection [OK]
Quick Trick: Logs help spot problems by showing system events [OK]
Common Mistakes:
  • Confusing logs with data storage
  • Thinking logs speed up processing
  • Assuming logs backup configs

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