History
Origin
Fluid started in 2020 as a joint effort between Nanjing University, Alibaba Cloud, and the Alluxio community, aimed at the gap between cloud-native compute on Kubernetes and the data that lives in remote object stores and distributed filesystems. The first release, v0.1.0, was published on 2020-08-30 (releases, CNCF blog).
The problem it set out to solve: AI and analytics jobs read the same large datasets over and over, but Kubernetes treats storage as a static mount. Fluid's answer was to make a dataset a managed Kubernetes object with its own cache, lifecycle, and scheduling hints.
Timeline
| Year | Milestone |
|---|---|
| 2020 | Project founded; first release v0.1.0 (2020-08-30). |
| 2021 | Accepted into the CNCF Sandbox (CNCF project page records acceptance on 2021-04-28). |
| 2024 | Listed as "Adopt" in the CNCF 2024 Technology Landscape Radar. |
| 2025 | Release v1.0.8 (2025-10-31) adds 3FS and Curvine storage support via ThinRuntime. |
| 2026 | Moved to CNCF Incubating (CNCF project page: 2026-01-08; announced 2026-03-24). |
How it evolved
Fluid grew from a single Alluxio-centric operator into a multi-engine framework. The Runtime abstraction now covers Alluxio, JuiceFS, JindoCache, Vineyard, EFC, and a generic ThinRuntime that lets third parties plug in their own cache or storage system. The v1.0.8 release used ThinRuntime to add 3FS and Curvine, which shows the extension model working as intended rather than requiring a new built-in engine each time (CNCF blog).
Beyond caching, the scope widened to data operations: dedicated CRDs for DataLoad (prefetch), DataBackup, DataMigrate, and DataProcess (api/v1alpha1/) turned Fluid from "mount a cache" into a small platform for moving and preparing datasets.
Where it stands now
Fluid is a CNCF Incubating project as of January 2026 (CNCF project page). The CNCF announcement cites 28 releases and roughly 1.9k GitHub stars at the time of promotion (CNCF blog). The latest tagged release is v1.0.8 (2025-10-31). Governance roles (committers, maintainers) are documented in the repository's GOVERNANCE.md.