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Increased Statistics Ratio in Database Load on Performance Insights When vCPU is Exceeded in AWS RDS for MySQL (8.0.42) During Load Spikes
Posted by: wanseok kim
Date: August 19, 2025 10:22PM

Hello, I am using AWS RDS for MySQL (8.0.42).
For performance testing related to an event, I applied a spike load to the database. The load was approximately 7 to 8 times the current vCPU capacity, with a sudden influx of concurrent users. During this time, I noticed an unusually high ratio of statistics in the database load on Performance Insights, which does not occur under normal conditions. Could you please provide advice on the possible causes of this issue and any recommendations for improvement?
Let me know if you need help refining the phrasing or adding more technical details!

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Increased Statistics Ratio in Database Load on Performance Insights When vCPU is Exceeded in AWS RDS for MySQL (8.0.42) During Load Spikes
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wanseok kim
August 19, 2025 10:22PM


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