# re_datafusion Part of the [`rerun`](https://github.com/rerun-io/rerun) family of crates. [![Latest version](https://img.shields.io/crates/v/re_datafusion.svg)](https://crates.io/crates/re_datafusion) [![Documentation](https://docs.rs/re_datafusion/badge.svg)](https://docs.rs/re_datafusion) ![MIT](https://img.shields.io/badge/license-MIT-blue.svg) ![Apache](https://img.shields.io/badge/license-Apache-blue.svg) DataFusion interfaces to Rerun gRPC queries See [`PIPELINE_BUDGET.md`](PIPELINE_BUDGET.md) for an explanation of the memory backpressure mechanism used by `SegmentStreamExec` to bound RAM across the IO → channel → in-memory store pipeline, and why a byte-bounded channel is not sufficient.