I'm using RDS MySQL and have never been able to utilize more than ~25% of the provisioned IOPS or more than 100MB/s transfer rate. Also, as best as I can tell, EBS latency is pretty high so making lots of small, serial database calls is a lot slower than it would be on local disks.
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I'm using RDS MySQL and have never been able to utilize more than ~25% of the provisioned IOPS or more than 100MB/s transfer rate. Also, as best as I can tell, EBS latency is pretty high so making lots of small, serial database calls is a lot slower than it would be on local disks.