Scaling meter data intake 3.5 orders of magnitude

“Ask HN: How would you design for this scale today? 20 years ago I worked at a utility (electricity distribution). The government introduced a mandate to switch everyone from basic meters (4 data points per year, read quarterly by a human looking at a dial), to remotely read interval meters (48 data points per day, streamed periodocally over the day). The company had around a million meters and our data was going intake was going to jump by roughly 3.5 orders of magnitude. Key requirements: store”