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Towards an Adaptable Systems Architecture for Memory Tiering at Warehouse-Scale

Authors:

Padmapriya Duraisamy,

Christopher Kennelly,

Bill McCloskey,

Danijela Mijailovic,

Chiranjit Mukherjee,

Carlos Villavieja,

Parthasarathy Ranganathan,

Amin VahdatAuthors Info & Claims

ASPLOS 2023: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 3

Pages 727 - 741

https://doi.org/10.1145/3582016.3582031

Published: 25 March 2023 Publication History

Abstract

Fast DRAM increasingly dominates infrastructure spend in large scale computing environments and this trend will likely worsen without an architectural shift. The cost of deployed memory can be reduced by replacing part of the conventional DRAM with lower cost albeit slower memory media, thus creating a tiered memory system where both tiers are directly addressable and cached. But, this poses numerous challenges in a highly multi-tenant warehouse-scale computing setting. The diversity and scale of its applications motivates an application-transparent solution in the general case, adaptable to specific workload demands.

This paper presents TMTS(Transparent Memory Tiering System), an application-transparent memory tiering management system that implements an adaptive, hardware-guided architecture to dynamically optimize access to the various directly-addressed memory tiers without faults. TMTS has been deployed at scale for two years serving thousands of production services, successfully meeting service level objectives (SLOs) across diverse application classes in the fleet. The solution is developed in terms of system level metrics it seeks to optimize and evaluated across the diverse workload mix to guide advanced policies embodied in a user-level agent. It sustains less than 5% overall performance degradation while replacing 25% of DRAM with a much slower medium.

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https://dl.acm.org/doi/10.1145/3673038.3673138
Kamath APeter S(2024) (MC) 2 : Lazy MemCopy at the Memory Controller 2024 ACM/IEEE 51st Annual International Symposium on Computer Architecture (ISCA)10.1109/ISCA59077.2024.00084(1112-1128)Online publication date: 29-Jun-2024
https://doi.org/10.1109/ISCA59077.2024.00084
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cover image ACM Conferences

ASPLOS 2023: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 3

March 2023

820 pages

ISBN:9781450399180

DOI:10.1145/3582016

General Chair:
Tor M. Aamodt
University of British Columbia, Canada
,
Program Chairs:
Natalie Enright Jerger
University of Toronto, Canada
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Michael Swift
University of Wisconsin-Madison, USA

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Published: 25 March 2023

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https://dl.acm.org/doi/10.1145/3673038.3673138
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https://doi.org/10.1109/ISCA59077.2024.00084
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https://dl.acm.org/doi/10.1145/3626111.3628195
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Lee TMonga SMin CEom YDruschel PKaufmann AMace JFlinn JSeltzer M(2023)MEMTIS: Efficient Memory Tiering with Dynamic Page Classification and Page Size DeterminationProceedings of the 29th Symposium on Operating Systems Principles10.1145/3600006.3613167(17-34)Online publication date: 23-Oct-2023
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