Find the host and minute of the peak error rate in an incident window (timezone, low-traffic trap) from a…

Find the host and minute of the peak error rate in an incident window (timezone, low-traffic trap) from a…: a task in agent-harbor-tasks (Harbor dataset). For the post-mortem of INC-7730 (see tickets/) I need hard numbers. /workdir/metrics has a SQLite export of the per-minute request counters of…