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Write amplification analysis in flash-based solid state drives

Authors:

Evangelos Eleftheriou,

Roman PletkaAuthors Info & Claims

SYSTOR '09: Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference

Article No.: 10, Pages 1 - 9

https://doi.org/10.1145/1534530.1534544

Published: 04 May 2009 Publication History

Abstract

Write amplification is a critical factor limiting the random write performance and write endurance in storage devices based on NAND-flash memories such as solid-state drives (SSD). The impact of garbage collection on write amplification is influenced by the level of over-provisioning and the choice of reclaiming policy. In this paper, we present a novel probabilistic model of write amplification for log-structured flash-based SSDs. Specifically, we quantify the impact of over-provisioning on write amplification analytically and by simulation assuming workloads of uniformly-distributed random short writes. Moreover, we propose modified versions of the greedy garbage-collection reclaiming policy and compare their performance. Finally, we analytically evaluate the benefits of separating static and dynamic data in reducing write amplification, and how to address endurance with proper wear leveling.

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Cited By

Choi JJun YKim JJeong JSeo E(2024)An Adaptive Zone-Grouping Scheme Enabling General-Purpose File Systems on ZNS SSDsProceedings of the 17th ACM International Systems and Storage Conference10.1145/3688351.3689151(132-145)Online publication date: 16-Sep-2024
https://dl.acm.org/doi/10.1145/3688351.3689151
Wu CLiu CYu P(2024)A Hash-Based Clustering System Software for Intermittent Computing Devices With NAND Flash MemoryIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2024.338055343:9(2565-2577)Online publication date: Sep-2024
https://doi.org/10.1109/TCAD.2024.3380553
Yao ZSong YYue YLiu JFan Z(2024)TrieKV: Managing Values After KV Separation to Optimize Scan Performance in LSM-TreeWeb and Big Data10.1007/978-981-97-2387-4_27(402-416)Online publication date: 28-Apr-2024
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Index Terms

Write amplification analysis in flash-based solid state drives

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Information

Published In

cover image ACM Other conferences

SYSTOR '09: Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference

May 2009

191 pages

ISBN:9781605586236

DOI:10.1145/1534530

General Chair:
Miriam Allalouf
IBM Research
,
Program Chairs:
Michael Factor
IBM Research
,
Dror Feitelson
HUJI

Copyright © 2009 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Hebrew University of Jerusalem
Melanox Technologies
IBM: IBM

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 04 May 2009

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SYSTOR '09

Sponsor:

IBM

SYSTOR '09: Proceedings of the 2009 Israeli Experimental Systems Conference

May 4 - April 6, 2009

Haifa, Israel

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Overall Acceptance Rate 108 of 323 submissions, 33%

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Cited By

Choi JJun YKim JJeong JSeo E(2024)An Adaptive Zone-Grouping Scheme Enabling General-Purpose File Systems on ZNS SSDsProceedings of the 17th ACM International Systems and Storage Conference10.1145/3688351.3689151(132-145)Online publication date: 16-Sep-2024
https://dl.acm.org/doi/10.1145/3688351.3689151
Wu CLiu CYu P(2024)A Hash-Based Clustering System Software for Intermittent Computing Devices With NAND Flash MemoryIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2024.338055343:9(2565-2577)Online publication date: Sep-2024
https://doi.org/10.1109/TCAD.2024.3380553
Yao ZSong YYue YLiu JFan Z(2024)TrieKV: Managing Values After KV Separation to Optimize Scan Performance in LSM-TreeWeb and Big Data10.1007/978-981-97-2387-4_27(402-416)Online publication date: 28-Apr-2024
https://doi.org/10.1007/978-981-97-2387-4_27
Zha BShen H(2024)Probabilistic scheduling of dynamic I/O requests via application clustering for burst‐buffers equipped high‐performance computingConcurrency and Computation: Practice and Experience10.1002/cpe.814236:19Online publication date: 27-Jun-2024
https://doi.org/10.1002/cpe.8142
Jung SLee SHan JKim Y(2023)Preemptive Zone Reset Design within Zoned Namespace SSD FirmwareElectronics10.3390/electronics1204079812:4(798)Online publication date: 5-Feb-2023
https://doi.org/10.3390/electronics12040798
Jaliminche LChakraborttii CChoi CLitz H(2023)Enabling Multi-tenancy on SSDs with Accurate IO Interference ModelingProceedings of the 2023 ACM Symposium on Cloud Computing10.1145/3620678.3624657(216-232)Online publication date: 30-Oct-2023
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Hsu YWu CTsai YLiu C(2023)A Granularity-Based Clustering Method for Reducing Write Amplification in Solid-State DrivesACM Transactions on Embedded Computing Systems10.1145/360577922:4(1-32)Online publication date: 24-Jul-2023
https://dl.acm.org/doi/10.1145/3605779
Zhang XPei SChoi JKim BTarasov VZhang YAnwar AMi N(2023)Excessive SSD-Internal Parallelism Considered HarmfulProceedings of the 15th ACM Workshop on Hot Topics in Storage and File Systems10.1145/3599691.3603412(65-72)Online publication date: 9-Jul-2023
https://dl.acm.org/doi/10.1145/3599691.3603412
Byeon SRo JJamil SKang JKim YTarasov VZhang YAnwar AMi N(2023)A Free-Space Adaptive Runtime Zone-Reset Algorithm for Enhanced ZNS EfficiencyProceedings of the 15th ACM Workshop on Hot Topics in Storage and File Systems10.1145/3599691.3603410(109-115)Online publication date: 9-Jul-2023
https://dl.acm.org/doi/10.1145/3599691.3603410
Bergman SCassel NBjørling MSilberstein M(2023)ZNSwap: un-Block your SwapACM Transactions on Storage10.1145/358243419:2(1-25)Online publication date: 6-Mar-2023
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