> 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-3.6/data-access.md).

# Data Access

- [Access via FUSE (POSIX API)](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/fuse-based-posix-api.md)
- [Client Writeback](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/fuse-based-posix-api/client-writeback.md)
- [Client Virtual Path Mapping](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/fuse-based-posix-api/client-virtual-path-mapping.md)
- [Access via S3 API](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/s3-api.md)
- [Access via PythonSDK/FSSpec](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/fsspec.md)
- [Data Access High Availability](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/high-availability.md)
- [Multiple Replicas](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/high-availability/multiple-replicas.md)
- [Multiple Availability Zones (AZ)](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/high-availability/multi-az.md)
- [Performance Optimizations](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/performance.md)
- [File Reading](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/performance/file-reading.md)
- [File Writing](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/performance/file-writing.md)
- [Metadata Listing](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/performance/metadata-listing.md)
- [UFS Bandwidth Limiter](https://documentation.alluxio.io/ee-ai-en/ai-3.6/data-access/ufs-bandwidth-limiting.md)