# Apache DataFusion

Revision 1 (11 October 2026) · Modeled snapshot · through 8 October 2026.

All figures are research-informed estimates of analytical activity. Significant errors may remain; decimal places do not imply measurement precision.

Layer: compute. Values cover the years in which this category appears in the public timeline. Absence is not proof of zero use.

## Names and inspection notes

### 2019–2023: Apache Arrow DataFusion

This category is shown in the compute layer.

### 2024–2026: Apache DataFusion

This category is shown in the compute layer.

## Annual estimates

| Year | Name in this year | Share of full compute layer | Connections and details |
| --- | --- | --- | --- |
| [2019](https://history.columnar.tech/years/2019.md) | Apache Arrow DataFusion | 0.05% | [Inspect](https://history.columnar.tech/connections/2019/compute/datafusion.md) |
| [2020](https://history.columnar.tech/years/2020.md) | Apache Arrow DataFusion | 0.1% | [Inspect](https://history.columnar.tech/connections/2020/compute/datafusion.md) |
| [2021](https://history.columnar.tech/years/2021.md) | Apache Arrow DataFusion | 0.15% | [Inspect](https://history.columnar.tech/connections/2021/compute/datafusion.md) |
| [2022](https://history.columnar.tech/years/2022.md) | Apache Arrow DataFusion | 0.2% | [Inspect](https://history.columnar.tech/connections/2022/compute/datafusion.md) |
| [2023](https://history.columnar.tech/years/2023.md) | Apache Arrow DataFusion | 0.25% | [Inspect](https://history.columnar.tech/connections/2023/compute/datafusion.md) |
| [2024](https://history.columnar.tech/years/2024.md) | Apache DataFusion | 0.35% | [Inspect](https://history.columnar.tech/connections/2024/compute/datafusion.md) |
| [2025](https://history.columnar.tech/years/2025.md) | Apache DataFusion | 0.4% | [Inspect](https://history.columnar.tech/connections/2025/compute/datafusion.md) |
| [2026](https://history.columnar.tech/years/2026.md) | Apache DataFusion | 0.5% | [Inspect](https://history.columnar.tech/connections/2026/compute/datafusion.md) |

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