HyCloud: Tweaking Hybrid Cloud Storage Services for Cost-Efficient Filesystem Hosting

Today’s cloud storage infrastructures typically provide two distinct types of services for hosting files: object storage like Amazon S3 and filesystem storage like Amazon EFS. The former supports simple, flat object operations with a low unit storage price, while the latter supports complex, hierarchical filesystem operations with a high unit storage price. In practice, however, a cloud storage user often desires the advantages of both—efficient...