AWS - Auto Scaling
Why should ELB health checks be configured independently from Auto Scaling group health checks when both are used together?
Why should ELB health checks be configured independently from Auto Scaling group health checks when both are used together?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand ELB health checks
ELB health checks decide if instances receive traffic.Step 2: Understand Auto Scaling health checks
Auto Scaling health checks determine if instances should be replaced.Final Answer:
ELB health checks control traffic routing; Auto Scaling health checks manage instance lifecycle. -> Option CQuick Check:
Separate roles for ELB and Auto Scaling health checks [OK]
Quick Trick: ELB routes traffic; Auto Scaling manages instance health [OK]
Common Mistakes:
- Thinking ELB disables scaling policies
- Assuming Auto Scaling health checks only monitor network
- Believing ELB health checks are limited to Classic Load Balancers
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