research-article

Bringing Order to Chaos: Barrier-Enabled I/O Stack for Flash Storage

Authors:

Gyeongyeol Choi,

Jooyoung Hwang,

Sangyeun ChoAuthors Info & Claims

ACM Transactions on Storage (TOS), Volume 14, Issue 3

Article No.: 24, Pages 1 - 29

https://doi.org/10.1145/3242091

Published: 03 October 2018 Publication History

Abstract

This work is dedicated to eliminating the overhead required for guaranteeing the storage order in the modern IO stack. The existing block device adopts a prohibitively expensive approach in ensuring the storage order among write requests: interleaving the write requests with Transfer-and-Flush. For exploiting the cache barrier command for flash storage, we overhaul the IO scheduler, the dispatch module, and the filesystem so that these layers are orchestrated to preserve the ordering condition imposed by the application with which the associated data blocks are made durable. The key ingredients of Barrier-Enabled IO stack are Epoch-based IO scheduling, Order-Preserving Dispatch, and Dual-Mode Journaling. Barrier-enabled IO stack can control the storage order without Transfer-and-Flush overhead. We implement the barrier-enabled IO stack in server as well as in mobile platforms. SQLite performance increases by 270% and 75%, in server and in smartphone, respectively. In a server storage, BarrierFS brings as much as by 43 × and by 73× performance gain in MySQL and SQLite, respectively, against EXT4 via relaxing the durability of a transaction.

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Cited By

Li DZhang NDong MChen HOta KTang Y(2022)PM-AIO: An Effective Asynchronous I/O System for Persistent MemoryIEEE Transactions on Emerging Topics in Computing10.1109/TETC.2021.310904710:3(1558-1574)Online publication date: 1-Jul-2022
https://doi.org/10.1109/TETC.2021.3109047
Qin HFeng DTong WZhao YQiu SLiu FLi SHenkel JLiu X(2021)Better atomic writes by exposing the flash out-of-band area to file systemsProceedings of the 22nd ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems10.1145/3461648.3463843(12-23)Online publication date: 22-Jun-2021
https://dl.acm.org/doi/10.1145/3461648.3463843

Index Terms

Bringing Order to Chaos: Barrier-Enabled I/O Stack for Flash Storage
1. Software and its engineering
  1. Software organization and properties
    1. Contextual software domains
      1. Operating systems
        File systems management

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Published In

cover image ACM Transactions on Storage

ACM Transactions on Storage Volume 14, Issue 3

Special Issue on FAST 2018 and Regular Papers

August 2018

210 pages

ISSN:1553-3077

EISSN:1553-3093

DOI:10.1145/3282875

Editor:
Sam H. Noh
Ulsan National Institute of Science and Technology, Ulsan, Korea

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Publication History

Published: 03 October 2018

Accepted: 01 July 2018

Received: 01 June 2018

Published in TOS Volume 14, Issue 3

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Cited By

Li DZhang NDong MChen HOta KTang Y(2022)PM-AIO: An Effective Asynchronous I/O System for Persistent MemoryIEEE Transactions on Emerging Topics in Computing10.1109/TETC.2021.310904710:3(1558-1574)Online publication date: 1-Jul-2022
https://doi.org/10.1109/TETC.2021.3109047
Qin HFeng DTong WZhao YQiu SLiu FLi SHenkel JLiu X(2021)Better atomic writes by exposing the flash out-of-band area to file systemsProceedings of the 22nd ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems10.1145/3461648.3463843(12-23)Online publication date: 22-Jun-2021
https://dl.acm.org/doi/10.1145/3461648.3463843

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