Tag
#geospatial
3 articles tagged geospatial.
HLDintermediatePremium
Tinder HLD: Mutual Matches, a Swipe Firehose, and a Fresh Deck
A Tinder system design: mutual-match detection that fires exactly once, the recommendation deck from a geospatial index, the swipe write firehose, privacy of one-sided likes, and scaling.
7 min read
HLDintermediate
OYO / Airbnb HLD: Find Places Near Me, Free for My Dates
An Airbnb / OYO system design: geospatial search with geohash prefixes, date-range availability, booking without double-booking, the data model, and scaling location search.
9 min read
HLDintermediatePremium
Ride Sharing HLD: Finding the Nearest Driver Without Asking All of Them
A ride sharing system design (Uber/Ola-style): the geospatial cell index that finds nearby drivers fast, the driver offer as a hold with a TTL, the double-match race, and surviving a hot region.
18 min read