{eZNS}: An elastic zoned namespace for commodity {ZNS}{SSDs}

J Min, C Zhao, M Liu, A Krishnamurthy - 17th USENIX Symposium on …, 2023 - usenix.org
Emerging Zoned Namespace (ZNS) SSDs, providing the coarse-grained zone abstraction,
hold the potential to significantly enhance the cost-efficiency of future storage infrastructure …

File systems unfit as distributed storage backends: lessons from 10 years of Ceph evolution

A Aghayev, S Weil, M Kuchnik, M Nelson… - Proceedings of the 27th …, 2019 - dl.acm.org
For a decade, the Ceph distributed file system followed the conventional wisdom of building
its storage backend on top of local file systems. This is a preferred choice for most distributed …

Don't be a blockhead: zoned namespaces make work on conventional SSDs obsolete

T Stavrinos, DS Berger, E Katz-Bassett… - Proceedings of the …, 2021 - dl.acm.org
Research on flash devices almost exclusively focuses on conventional SSDs, which expose
a block interface. Industry, however, has standardized and is adopting Zoned Namespaces …

{ZMS}: Zone abstraction for mobile flash storage

JY Hwang, S Kim, D Park, YG Song, J Han… - 2024 USENIX Annual …, 2024 - usenix.org
We propose an I/O stack for ZNS based flash storage in mobile environment, ZMS. The zone
interface is known to save the flash storage from two fundamental issues which modern flash …

Compaction-aware zone allocation for LSM based key-value store on ZNS SSDs

HR Lee, CG Lee, S Lee, Y Kim - Proceedings of the 14th ACM Workshop …, 2022 - dl.acm.org
Unlike traditional block-based SSDs, Zoned Namespace (ZNS) SSDs expose storage
through the zoned block interface, completely eliminating the need for in-device garbage …

More than capacity: Performance-oriented evolution of pangu in alibaba

Q Li, Q **ang, Y Wang, H Song, R Wen, W Yao… - … USENIX Conference on …, 2023 - usenix.org
This paper presents how the Pangu storage system continuously evolves with hardware
technologies and the business model to provide high-performance, reliable storage services …

Key-Value Stores on Flash Storage Devices: A Survey

K Doekemeijer, A Trivedi - arxiv preprint arxiv:2205.07975, 2022 - arxiv.org
Key-value stores (KV) have become one of the main components of the modern storage and
data processing system stack. With the increasing need for timely data analysis …

Revisiting the design of LSM-tree based OLTP storage engine with persistent memory

B Yan, X Cheng, B Jiang, S Chen, C Shang… - Proceedings of the …, 2021 - dl.acm.org
The recent byte-addressable and large-capacity commercialized persistent memory (PM) is
promising to drive database as a service (DBaaS) into unchartered territories. This paper …

Lifetime-leveling LSM-tree compaction for ZNS SSD

J Jung, D Shin - Proceedings of the 14th ACM Workshop on Hot Topics …, 2022 - dl.acm.org
The Log-Structured Merge (LSM) tree is considered well-suited to zoned namespace (ZNS)
storage devices since the write requests to LSM-tree is sequential. However, zones can be …

A study of {SSD} reliability in large scale enterprise storage deployments

S Maneas, K Mahdaviani, T Emami… - 18th USENIX Conference …, 2020 - usenix.org
This paper presents the first large-scale field study of NAND-based SSDs in enterprise
storage systems (in contrast to drives in distributed data center storage systems). The study …