5 ms·
I can only say, I tried to add massive amounts of data points to a fleet of battery systems once; 750 cells per system, 8 metrics per cell, one cell every 20 ms
by sshine 1y ago
I can only say, I tried to add massive amounts of data points to a fleet of battery systems once; 750 cells per system, 8 metrics per cell, one cell every 20 ms. It became megabits per second, so we only enabled it when engaging the batteries. But the data was worth it, because we could do data modelling on live events in retrospect when we were initially too busy fixing things. Observability is a super power.
- baby_souffle 1y agoThis right here! Don't be afraid to over instrument. You can always down Rez or even just basic statistical sampling before you actually commit your measurements to Time series database. As annoying as that may sound, it's a hell of a lot harder to go back in time to observe that bizarre intermittent issue...
- rbanffy 1y agoThis is very true for systems and components you don’t thoroughly understand. By all means instrument batteries, motors, gearboxes, positioning systems, turbines, and so on. If your system is mostly a CRUD or some business logic automation, then the need to overinstrumenting it is much smaller. Databases are well understood after all.