# Asana Tech Talk: Reactive Queries & Our Luna Framework

> Learn about the querying & subscription subsystems that power the functionality of our reactive data system, LunaDb.

Source: https://asana.com/inside-asana/asana-tech-talk-reactive-queries

## Asana tech talk video: reactive queries

Modern web development does not yet have a single solution for declarative performance data fetching, although Netflix (with FalcorJS) and Facebook (with Relay and GraphQL) are both investing a lot of exciting technological effort into solving the problem.

Asana is creating a reactive data system called LunaDb. LunaDb provides declarative hierarchical query-based data fetching similar to the above technologies but provides the additional benefit of subscribing to queries and automatically updating the results whenever any other user changes the results.

Konstantin Azarov, one of the designers of LunaDb framework, recently gave a tech talk, looking at the querying and subscription subsystems that power this functionality. Here’s a video of his talk–we’d love to hear what you think in the comments!

Want to help us as we improve our framework? We’re [hiring](https://asana.com/jobs/engineering).

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