In the benchmark it says they are using an m5.8xlarge, which don't have locally attached SSDs. So presumably this is against gp3 or io2 volume. In which case I

In the benchmark it says they are using an m5.8xlarge, which don't have locally attached SSDs. So presumably this is against gp3 or io2 volume. In which case I am surprised that wasn't the bottle neck of the test. Do none of these databases under test call fsync?