https://discovery.wmflabs.org/maps/ reports ~13m tiles. Assuming it's per day, this is 150 requests/sec averaged

https://grafana.wikimedia.org/dashboard/db/maps-performances?orgId=1&panelId=5&fullscreen reports 30-70 requests/sec across all varnish caches, with periodic excursions up to 90 r/s.

These disagree. I have no idea which is right.

@mpopov wrote the former, @Gehel wrote the latter.