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 …

Extending Memory Capacity in Modern Consumer Systems With Emerging Non-Volatile Memory: Experimental Analysis and Characterization Using the Intel Optane …

GF Oliveira, S Ghose, J Gómez-Luna… - IEEE …, 2023 - ieeexplore.ieee.org
DRAM scalability is becoming a limiting factor to the available memory capacity in consumer
devices. As a potential solution, manufacturers have introduced emerging non-volatile …

Performance characterization of modern storage stacks: Posix i/o, libaio, spdk, and io_uring

Z Ren, A Trivedi - Proceedings of the 3rd Workshop on Challenges and …, 2023 - dl.acm.org
Linux storage stack offers a variety of storage I/O stacks and APIs such as POSIX I/O,
asynchronous I/O (libaio), high-performance asynchronous I/O (emerging io_uring) or …

ReadGuard: Integrated SSD Management for Priority-Aware Read Performance Differentiation

M Chun, M Kim, D Lee, J Park, J Kim - ACM Transactions on Storage, 2024 - dl.acm.org
When multiple apps with different I/O priorities share a high-performance SSD, it is important
to differentiate the I/O QoS level based on the I/O priority of each app. In this paper, we study …

Extending memory capacity in consumer devices with emerging non-volatile memory: An experimental study

GF Oliveira, S Ghose, J Gómez-Luna… - arXiv preprint arXiv …, 2021 - arxiv.org
The number and diversity of consumer devices are growing rapidly, alongside their target
applications' memory consumption. Unfortunately, DRAM scalability is becoming a limiting …

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 …

APP: Enabling soft real-time execution on densely-populated hybrid memory system

ZW Wu, YC Chen, YH Chang… - 2023 60th ACM/IEEE …, 2023 - ieeexplore.ieee.org
Memory swapping was considered slow and evil, but swapping to Ultra Low-Latency
storage like Optane has become a promising solution to save power and cost, helping …

CoFS: A Collaboration-Aware Fairness Scheme for NVMe SSD in Cloud Storage System

Y Zhou, F Wang, Z Shi, D Feng - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Since cloud service providers adopt the sharing mode to improve the utilization of solid state
drives (SSDs) and reduce management costs, fairness is a critical design consideration and …

OctoFAS: A Two-Level Fair Scheduler That Increases Fairness in Network-Based Key-Value Storage

Y Park, J Park, J Park, A Khan, K Kim, SS Park, Y Kim - Electronics, 2024 - mdpi.com
We identified a fairness problem in a network-based key-value storage system using Intel
Storage Performance Development Kit (SPDK) in a multitenant environment. In such an …

BFQ, Multiqueue-Deadline, or Kyber? Performance Characterization of Linux Storage Schedulers in the NVMe Era

Z Ren, K Doekemeijer, N Tehrany… - Proceedings of the 15th …, 2024 - dl.acm.org
Flash SSDs have become the de-facto choice to deliver high I/O performance to modern
data-intensive workloads. These workloads are often deployed in the cloud, where multiple …