SplitZNS: Towards an efficient LSM-tree on zoned namespace SSDs

D Huang, D Feng, Q Liu, B Ding, W Zhao… - ACM Transactions on …, 2023 - dl.acm.org
The Zoned Namespace (ZNS) Solid State Drive (SSD) is a nascent form of storage device
that offers novel prospects for the Log Structured Merge Tree (LSM-tree). ZNS exposes …

ZenFS+: Nurturing performance and isolation to ZenFS

M Oh, S Yoo, J Choi, J Park, CE Choi - IEEE Access, 2023 - ieeexplore.ieee.org
This paper proposes ZenFS+, a new storage backend of RocksDB for small-zone ZNS SSD.
RocksDB has complicated internal operations such as flush and compaction. Flush and …

Calcspar: A {Contract-Aware}{LSM} Store for Cloud Storage with Low Latency Spikes

Y Zhou, J Zhou, S Chen, P Xu, P Wu, Y Wang… - 2023 USENIX Annual …, 2023 - usenix.org
Cloud storage is gaining popularity because of features such as pay-as-you-go that
significantly reduces storage costs. However, the community has not sufficiently explored its …

SIndex: An SSD-based Large-scale Indexing with Deterministic Latency for Cloud Block Storage

S Wang, K Zhou, Z Guo, Q Cao, J Xu… - Proceedings of the 53rd …, 2024 - dl.acm.org
The Solid State Drives (SSD) based key-value stores face significant challenges in
achieving deterministic access latency. We experimentally observe the long-tail latency is …

A Contract-aware and Cost-effective LSM Store for Cloud Storage with Low Latency Spikes

Y Zhou, J Zhou, K Lu, L Zhan, P Xu, P Wu… - ACM Transactions on …, 2024 - dl.acm.org
Cloud storage is gaining popularity because features such as pay-as-you-go significantly
reduce storage costs. However, the community has not sufficiently explored its contract …

LMB: Augmenting PCIe Devices with CXL-Linked Memory Buffer

J Wang, X Zhang, C Tang, X Chen, T Lu - arxiv preprint arxiv:2406.02039, 2024 - arxiv.org
PCIe devices, such as SSDs and GPUs, are pivotal in modern data centers, and their value
is set to grow amidst the emergence of AI and large models. However, these devices face …

AnyKey: A Key-Value SSD for All Workload Types

C Park, J Lee, CY Liu, K Kang, MT Kandemir… - Proceedings of the 30th …, 2025 - dl.acm.org
Key-value solid-state drives (KV-SSDs) are considered as a potential storage solution for
large-scale key-value (KV) store applications. Unfortunately, the existing KV-SSD designs …

[PDF][PDF] 'Improving performance in LSM-tree based key-value stores using NVMe

S Iwata, M Patel, P Sarthi… - Univ. Wisconsin-Madison …, 2022 - mohilp1998.github.io
ABSTRACT Log-Structured Merge-Tree key-value stores convert random key value
insertions into sequential writes on disk. These systems historically perform well on spinning …