AWS - Auto Scaling
After enabling Predictive Scaling, you observe that your Auto Scaling group does not increase capacity before expected traffic surges. What could be the most probable reason?
After enabling Predictive Scaling, you observe that your Auto Scaling group does not increase capacity before expected traffic surges. What could be the most probable reason?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Verify Predictive Scaling Activation
Predictive Scaling requires an active schedule linked to the Auto Scaling group to adjust capacity ahead of predicted demand.Step 2: Check Auto Scaling Group Association
If the schedule is not associated, no capacity changes will occur despite predictions.Final Answer:
The predictive scaling schedule has not been activated or associated with the Auto Scaling group -> Option CQuick Check:
Predictive Scaling needs an active schedule linked [OK]
Quick Trick: Predictive Scaling needs an active schedule linked [OK]
Common Mistakes:
- Assuming reactive scaling alarms control predictive scaling
- Believing max instance limit always blocks scaling
- Confusing load balancer issues with scaling triggers
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