When to increase AWS RDS MySQL Server instance to larger CPU/RAM?

Posted by rksprst on Server Fault See other posts from Server Fault or by rksprst
Published on 2011-11-23T00:00:00Z Indexed on 2011/11/23 1:58 UTC
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mysql

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amazon-web-services

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amazon-rds

I'm wondering at what stage do I need to increase the image for the RDS MySQL server to a larger CPU/RAM instance.

The CPU utilization graph is near 0. The Avg Free Memory is around 150MB. The Avg Swap Usage is 420MB.

Read Latency is 0-20ms/op it spikes up randomly. Avg write latency is on average 5ms/op but spikes up to 10-20ms/op.

Are there some common rules here that I should follow?

Thanks!

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