This needs an addendum: AWS support is top notch, as long as your AWS fees are already on the hefty side. Which makes sense.
But also, it can be frustrating to deal with them when it comes to anything that's not a clear incident on their part, or requires optimization over troubleshooting, e.g. a few years ago, we had a few instances underperforming because of higher than expected I/O loads and low associated EBS bandwidth, and they never gave us a solution for it.
But also, it can be frustrating to deal with them when it comes to anything that's not a clear incident on their part, or requires optimization over troubleshooting, e.g. a few years ago, we had a few instances underperforming because of higher than expected I/O loads and low associated EBS bandwidth, and they never gave us a solution for it.