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Learn about Zoned XFS, a groundbreaking file system enhancement that brings transparent zoned storage support to the existing scalable XFS file system for Linux in this 49-minute conference presentation. Discover how zoned storage technology enables higher storage densities through Shingled Magnetic Recording (SMR) hard disks while reducing costs and improving tail latency with Zoned Namespace (ZNS) SSDs. Explore the comprehensive design overview of Zoned XFS and examine detailed performance evaluation results demonstrating superior throughput compared to existing zone-aware file systems like BTRFS and F2FS on Linux. Understand how Zoned XFS seamlessly enables zoned storage benefits for unmodified applications including key-value stores and distributed storage systems without requiring application modifications. Analyze performance benchmarks showing Zoned XFS achieving better throughput for both small and large file read and write workloads on SMR hard disks, even maintaining performance advantages during garbage collection operations with nearly full file systems. Review comparative analysis with RocksDB workloads on ZNS SSDs, where Zoned XFS demonstrates higher read throughput in mixed read/write scenarios and overwrite workloads compared to F2FS, and examine how it compares favorably against the specialized RocksDB ZenFS zoned storage backend. Gain insights into the technical architecture that makes this transparent integration possible and understand the practical implications for scalable storage system deployments.
