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Hello Hkakutalua,
Thank you for pointing this out!
As per AWS documentation, you’re correct that manually increasing allocated storage for an RDS instance does not cause downtime or performance degradation. When you modify storage, Amazon RDS uses storage scaling with minimal impact, and in many cases, it’s done without any disruption.
However, in the context of the question, which specifically asks for the solution with the least operational overhead, enabling storage autoscaling is still the most appropriate answer. Here’s why:
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Manual storage increases require human intervention each time the database runs low on space.
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On the other hand, storage autoscaling proactively and automatically increases storage as needed, with no manual effort and no need for monitoring and reacting.
So, while increasing storage manually is a valid and non-disruptive solution, it still involves more operational effort than just enabling autoscaling. That’s why “Modify the DB instance settings and enable storage autoscaling” is the correct answer for the least operational overhead, even though both options are technically sound.
Please don’t hesitate to contact us if you have further questions.
Regards,
Nikee @ Tutorials Dojo
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