Real Time Data
Everything on SkillVeris tagged Real Time Data — collected across the glossary, study notes, blog, and cheat sheets.
4 resources across 1 library
Interview Questions(4)
What is Change Data Capture (CDC)?
Change Data Capture (CDC) is a technique for identifying and streaming only the rows that changed — inserts, updates, and deletes — in a source database, typic…
How to Design a Mapping Service Like Google Maps
A Google-Maps-like service divides the world into pre-rendered map tiles served via a CDN for fast panning and zooming, indexes places and roads with geospatia…
How to Design a Typeahead Search Service
A typeahead search service returns ranked suggestions for a partial query in tens of milliseconds by pre-building a trie or prefix index of popular queries off…
How to Design a Polling System?
A polling system (like Slido or Mentimeter) is designed around a write-heavy vote-ingestion path decoupled from a read-heavy results path, using an append-only…