https://www.techempower.com/benchmarks/#section=data-r23&tes...

Here is your transaction throughput. But I'm sure AWS's whole platform team, Alibaba, third of Google, etc don't know what they are doing.

No big difference for stuff that waits for I/O, at least if it doesn't do it in an inefficient way. No Java in sight in the top lot for "Cached queries" which is the one where language makes a difference.