> At work, someone used fast NVMe instance storage for Clickhouse which is a database. It was a huge hassle to copy data when instances were going to be restarted because the data would be lost.
We moved to running Clickhouse on EKS with EBS volumes for storage. It can better survive instances going down. I didn't work on it so don't how much slower it is. Lowering the management burden was big priority.
This post on how Discord RAIDed local NVMe volumes with slower remote volumes might be on interest https://discord.com/blog/how-discord-supercharges-network-di...