> For the complete documentation index, see [llms.txt](https://documentation.alluxio.io/ee-ai-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature.md).

# Features

- [Alluxio Namespace and Under File System Namespaces](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/alluxio-namespace-and-under-file-system-namespaces.md)
- [Cache Preloading](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/cache-preloading.md)
- [Client Writeback](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/client-writeback.md)
- [Cache Evicting](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/cache-evicting.md)
- [Cache Filtering](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/cache-filter.md)
- [Cache Free](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/cache-free.md)
- [Directory-Based Cluster Quota](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/directory-based-quota.md)
- [File Replication](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/file-replication.md)
- [File Segmentation](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/file-segmentation.md)
- [Index Service](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/index-service.md)
- [I/O Resiliency](https://documentation.alluxio.io/ee-ai-en/ai-3.3/feature/io-resiliency.md)