# re_datafusion
Part of the [`rerun`](https://github.com/rerun-io/rerun) family of crates.
[](https://crates.io/crates/re_datafusion)
[](https://docs.rs/re_datafusion)


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.