HDFS

A memory-centric distributed storage system that acts as a caching layer between compute frameworks and storage systems. Alluxio accelerates data access by serving hot data from memory, bridging the gap between compute and storage.

A unified, distributed storage system providing object, block, and file storage in a single platform. CEPH is designed for excellent performance, reliability, and scalability, widely used in cloud infrastructure and data center environments.

A high-performance, cloud-native file system driven by object storage. JuiceFS provides a POSIX-compatible interface backed by cloud storage like S3, making it easy to mount cloud storage as a local file system for data processing workloads.