AWS - Auto Scaling
Consider this AWS Auto Scaling group with a cooldown period of 180 seconds. If a scale-out event happens at 12:00:00 and another scale-out event triggers at 12:02:00, what will happen?
Consider this AWS Auto Scaling group with a cooldown period of 180 seconds. If a scale-out event happens at 12:00:00 and another scale-out event triggers at 12:02:00, what will happen?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate cooldown end time
Cooldown starts at 12:00:00 and lasts 180 seconds (3 minutes), so ends at 12:03:00.Step 2: Compare second event time with cooldown
The second event at 12:02:00 is before cooldown ends, so it should be ignored.Step 3: Re-examine options carefully
The second scale-out will be ignored because cooldown is active says second scale-out ignored, but cooldown is active until 12:03:00, so correct.Final Answer:
The second scale-out will be ignored because cooldown is active -> Option AQuick Check:
Cooldown active = ignore scale-out [OK]
Quick Trick: Cooldown blocks actions until time ends [OK]
Common Mistakes:
- Assuming cooldown ends before 180 seconds
- Thinking cooldown resets on new event
- Believing multiple scale-outs happen simultaneously
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