Dask Overview Dask is a Python library for parallel and distributed computing that enables three critical capabilities: - Larger-than-memory execution on single machines for data exceeding available RAM - Parallel processing for improved computational speed across multiple cores - Distributed computation supporting terabyte-scale datasets across multiple machines Capacity depends on partition sizes, intermediate data, concurrency, storage, and available memory. Reviewed release: dask/distributed 2026.8.0 (September 30, 2026 review). Docs: docs.dask.org. Since 2025.1.0 , the expression-based D…