NICFS：基于持久化内存和智能网卡的文件系统

杨倚天; 陆游游

doi:10.1631/FITEE.2200469

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NICFS：基于持久化内存和智能网卡的文件系统

新型存储系统设计与应用专题 | Updated：2023-05-31

- NICFS：基于持久化内存和智能网卡的文件系统
- NICFS: a file system based on persistent memory and SmartNIC
- 信息与电子工程前沿（英文） 2023年24卷第5期页码：675-687
- Affiliations：
  
  Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China
- Author bio：
  
  E-mail: yangyiti22@mails.tsinghua.edu.cn
  ‡ Corresponding author
- Funds：
  
  National Key R&D Program of China(2021YFB0300500);National Natural Science Foundation of China(62022051)
- DOI：10.1631/FITEE.2200469
  中图分类号： TP212
- 收稿：2022-10-15，
  
  录用：2023-02-22，
  
  纸质出版：2023-05-0
- Accepted：
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杨倚天, 陆游游. NICFS：基于持久化内存和智能网卡的文件系统[J]. 信息与电子工程前沿（英文）, 2023,24(5):675-687.

Yitian YANG, Youyou LU. NICFS: a file system based on persistent memory and SmartNIC[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(5): 675-687.
杨倚天, 陆游游. NICFS：基于持久化内存和智能网卡的文件系统[J]. 信息与电子工程前沿（英文）, 2023,24(5):675-687. DOI： 10.1631/FITEE.2200469.

Yitian YANG, Youyou LU. NICFS: a file system based on persistent memory and SmartNIC[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(5): 675-687. DOI： 10.1631/FITEE.2200469.

摘要

持久化内存和智能网卡等新型硬件的涌现，为文件系统架构设计带来新机遇。本文设计并实现一个基于持久化内存和智能网卡的新型文件系统NICFS。我们将NICFS分为前端与后端。在前端，数据的写入以日志结构的方式追加写到持久化内存上，从而发挥持久化内存的快速持久化优势；在后端，日志中的数据在后台被获取、处理并写入到文件中，从而充分利用智能网卡的处理能力。实验结果显示，NICFS在大粒度和小粒度的读/写性能上分别比Ext4高出约21%/10%和19%/50%。

Abstract

Emergence of new hardware

including persistent memory and smart network interface card (SmartNIC)

has brought new opportunities to file system design. In this paper

we design and implement a new file system named NICFS based on persistent memory and SmartNIC. We divide the file system into two parts: the front end and the back end. In the front end

data writes are appended to the persistent memory in a log-structured way

leveraging the fast persistence advantage of persistent memory. In the back end

the data in logs are fetched

processed

and patched to files in the background

leveraging the processing capacity of SmartNIC. Evaluation results show that NICFS outperforms Ext4 by about 21%/10% and about 19%/50% on large and small reads/writes

respectively.

关键词

Keywords

references

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