The power of interning: making a time series database 2000x smaller in Rust

This week-end project started by browsing the open-data repository of Paris’ public transport network, which contains various APIs to query real-time departures, current disruptions, etc. The data reuse section caught my eye, as it features external projects that use this open data. In particular, the RATP status website provides a really nice interface to visualize historical disruptions on…