ETS provides a simple, familiar, and reusable way to query cached data for your application outside of functional primitives. This talk will cover: Storing shared state in ETS Integrating ETS and Ecto When to consider this decision Operational concerns outside code for both of these use cases. The audience should leave with knowledge of this ETS pattern and a stronger awareness that queryable caching is possible outside of using ElasticSearch. A Google search also says a benchmark for this use case does not exist.