Pagination in API

Slides for lightning talk given on wroc_love.rb 2015.

Transcript

1. Pagination in API Maciej Rząsa (@mjrzasa) PGS Software (Rzeszów)
2. Big JSON in API (~10MB) • Synchronizing data for offline use • “Send me everything newer than I have” • Timeouts on heroku • Memory issues on the android client • Solution: pagination
3. Regular pagination GET /items?page=1&timestamp=t0 Deleting first two items t0 t0
4. Regular pagination GET /items?page=2&timestamp=t0 t0 t0
5. Since-to pagination GET /items?since=t0&to=t1 t0 t1 5 items
6. Since-to pagination GET /items?since=t1&to=t2 t1 t2 10 items
7. Timestamp with page size GET /items?timestamp=t0&page_size=5 t0 t1 GET /items?timestamp=t1&page_size=5
8. Timestamp with page size GET /items?timestamp=t0&page_size=5 GET /items?timestamp=t1&page_size=5