SKV: A SmartNIC-Offloaded Distributed Key-Value Store

Sun, Shangyi; Zhang, Rui; Yan, Ming; Wu, Jie

doi:10.1109/cluster51413.2022.00016

Cited by 7 publications

(4 citation statements)

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“…For example, HyperNAT [26] offloads network address translation to off-path SmartNICs. SKV [27] uses a BlueField SmartNIC to offload data replication in a distributed key-value store. Replication is a latency-insensitive background operation.…”

Section: Related Work and Discussionmentioning

confidence: 99%

“…However, their performance tests for Smart-NICs are not comprehensive, and they do not summarize any guidelines for using off-path SmartNICs. In addition, most of the works tend to focus on offloading a specific application, such as file system [25], distributed key-value store [27], and network address translation [26]. However, none of them has proposed a universal solution for using off-path SmartNICs for any systems.…”

Section: Motivationmentioning

confidence: 99%

“…We use this method to improve the performance of a distributed key-value store. We take Redis as an example like SKV [27].…”

Section: Offload Background Operationsmentioning

confidence: 99%

“…In addition, they tend to have a complete network stack and full operating system, providing high programmability. Therefore, in some recent studies, off-path SmartNICs are used to offload file system [25], network address translation [26], key-value store [27], etc. Although off-path SmartNICs have many advantages over on-path SmartNICs, using them to offload applications can be challenging.…”

Section: Introductionmentioning

confidence: 99%

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A Comprehensive Study on Optimizing Systems with Data Processing Units

Sun¹,

Huang²,

Zhang³

et al. 2023

Preprint

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New hardware, such as SmartNICs, has been released to offload network applications in data centers. Off-path Smart-NICs, a type of multi-core SoC SmartNICs, have attracted the attention of many researchers. Unfortunatelly, they lack the fully exploration of off-path SmartNICs.In this paper, we use a BlueField SmartNIC as an example to conduct a systematical study on the advantages and disadvantages of off-path SmartNICs. We make a detailed performance characterization on an off-path SmartNIC including computing power and network communication overhead, and propose the following advices: 1) Directly utilize the specific accelerators on the SmartNIC to offload applications; 2) Offload latency-insensitive background processing to the Smart-NIC to reduce the load on the host; 3) Regard the SmartNIC as a new endpoint in the network to expand the computing power and storage resources of the server host; 4) Avoid directly employing the design method for systems based on on-path SmartNICs. We apply these advices to several use cases and show the performance improvements.

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Section: Related Work and Discussionmentioning

confidence: 99%

Section: Motivationmentioning

confidence: 99%

“…We use this method to improve the performance of a distributed key-value store. We take Redis as an example like SKV [27].…”

Section: Offload Background Operationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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