# 功能

- [Alluxio 命名空间和底层文件系统命名空间](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/alluxio-namespace-and-under-file-system-namespaces.md)
- [缓存预加载](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/cache-preloading.md)
- [Client 写回](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/client-writeback.md)
- [缓存驱逐](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/cache-evicting.md)
- [缓存过滤](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/cache-filter.md)
- [缓存释放](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/cache-free.md)
- [基于目录的集群配额](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/directory-based-quota.md)
- [文件多副本](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/file-replication.md)
- [文件分片](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/file-segmentation.md)
- [索引服务](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/index-service.md)
- [I/O弹性](https://documentation.alluxio.io/ee-ai-cn/ai-3.3/feature/io-resiliency.md)


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