Jintong Zhang

Zoned Namespace is a Double-edged Sword: Rethinking the Impact of the ZNS Interface on File System Scalability

Emerging Zoned Namespace (ZNS) SSDs transfer garbage collection (GC) to the host, thereby providing more stable performance and extending device life. Although the ZNS SSD has these hardware advantages, each zone in the ZNS SSD must be written sequentially. File systems always ne...