Persimmon: an append-only ZNS-first filesystem
DR Purandare, S Schmidt… - 2023 IEEE 41st …, 2023 - ieeexplore.ieee.org
While NAND flash has become the centerpiece of modern data center storage, legacy
interfaces impact its performance and lifetime. Emulating in-place updates on SSDs results …
interfaces impact its performance and lifetime. Emulating in-place updates on SSDs results …
Exploring I/O Management Performance in ZNS with ConfZNS++
Flash-based storage is known to suffer from performance unpredictability due to interference
between host-issued I/O and device-side I/O management. SSDs with data placement …
between host-issued I/O and device-side I/O management. SSDs with data placement …
Hi-ZNS: High Space Efficiency and Zero-Copy LSM-Tree Based Stores on ZNS SSDs
R Liu, J Chen, P Chen, L Long, A **
The NVMe Zoned Namespace (ZNS) is a high-performance interface for flash-based solid-
state drives (SSDs), which divides the logical address space into fixed-size and sequential …
state drives (SSDs), which divides the logical address space into fixed-size and sequential …
WA-Zone: Wear-Aware Zone Management Optimization for LSM-Tree on ZNS SSDs
ZNS SSDs divide the storage space into sequential-write zones, reducing costs of DRAM
utilization, garbage collection, and over-provisioning. The sequential-write feature of zones …
utilization, garbage collection, and over-provisioning. The sequential-write feature of zones …
ZoneTrace: A Zone Monitoring Tool for F2FS on ZNS SSDs
We present ZoneTrace, a runtime monitoring tool for the Flash-Friendly File System (F2FS)
on Zoned Namespace (ZNS) SSDs. ZNS SSD organizes its storage into zones of sequential …
on Zoned Namespace (ZNS) SSDs. ZNS SSD organizes its storage into zones of sequential …
The Design and Implementation of a High-Performance Log-Structured RAID System for ZNS SSDs
Zoned Namespace (ZNS) defines a new abstraction for host software to flexibly manage
storage in flash-based SSDs as append-only zones. It also provides a Zone Append …
storage in flash-based SSDs as append-only zones. It also provides a Zone Append …