A cache management scheme for hiding garbage collection latency in flash-based solid state drives

Wei Xie; Yong Chen

doi:10.1109/CLUSTER.2015.75

A cache management scheme for hiding garbage collection latency in flash-based solid state drives

Wei Xie, Yong Chen

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

Recent advancements in flash-based solid state drive (SSD) make it a highly desirable storage device, especially for data-intensive applications. There are significant more SSDs used in data centers and high performance computing systems. SSDs perform one or two orders better than traditional hard disk drives generally. However, the performance of random writes on SSDs, especially small random writes, is still largely limited due to the garbage collection (GC) process. Existing work tried to utilize the on-device RAM as a write cache to improve the write performance, however directly utilizing it as a normal write cache under utilizes the RAM cache. In this poster, we present our initial study of a cache management scheme that hides the GC latency.

Original language	English
Title of host publication	Proceedings - 2015 IEEE International Conference on Cluster Computing, CLUSTER 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	486-487
Number of pages	2
ISBN (Electronic)	9781467365987
DOIs	https://doi.org/10.1109/CLUSTER.2015.75
State	Published - Oct 26 2015
Event	IEEE International Conference on Cluster Computing, CLUSTER 2015 - Chicago, United States Duration: Sep 8 2015 → Sep 11 2015

Publication series

Name	Proceedings - IEEE International Conference on Cluster Computing, ICCC
Volume	2015-October
ISSN (Print)	1552-5244

Conference

Conference	IEEE International Conference on Cluster Computing, CLUSTER 2015
Country/Territory	United States
City	Chicago
Period	09/8/15 → 09/11/15

Keywords

Analytical models
Ash
Computational modeling
Performance evaluation
Random access memory
Solids
Time factors

Access to Document

10.1109/CLUSTER.2015.75

Cite this

Xie, W., & Chen, Y. (2015). A cache management scheme for hiding garbage collection latency in flash-based solid state drives. In Proceedings - 2015 IEEE International Conference on Cluster Computing, CLUSTER 2015 (pp. 486-487). [7307622] (Proceedings - IEEE International Conference on Cluster Computing, ICCC; Vol. 2015-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CLUSTER.2015.75

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title = "A cache management scheme for hiding garbage collection latency in flash-based solid state drives",

abstract = "Recent advancements in flash-based solid state drive (SSD) make it a highly desirable storage device, especially for data-intensive applications. There are significant more SSDs used in data centers and high performance computing systems. SSDs perform one or two orders better than traditional hard disk drives generally. However, the performance of random writes on SSDs, especially small random writes, is still largely limited due to the garbage collection (GC) process. Existing work tried to utilize the on-device RAM as a write cache to improve the write performance, however directly utilizing it as a normal write cache under utilizes the RAM cache. In this poster, we present our initial study of a cache management scheme that hides the GC latency.",

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Xie, W & Chen, Y 2015, A cache management scheme for hiding garbage collection latency in flash-based solid state drives. in Proceedings - 2015 IEEE International Conference on Cluster Computing, CLUSTER 2015., 7307622, Proceedings - IEEE International Conference on Cluster Computing, ICCC, vol. 2015-October, Institute of Electrical and Electronics Engineers Inc., pp. 486-487, IEEE International Conference on Cluster Computing, CLUSTER 2015, Chicago, United States, 09/8/15. https://doi.org/10.1109/CLUSTER.2015.75

A cache management scheme for hiding garbage collection latency in flash-based solid state drives. / Xie, Wei; Chen, Yong.

Proceedings - 2015 IEEE International Conference on Cluster Computing, CLUSTER 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 486-487 7307622 (Proceedings - IEEE International Conference on Cluster Computing, ICCC; Vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Recent advancements in flash-based solid state drive (SSD) make it a highly desirable storage device, especially for data-intensive applications. There are significant more SSDs used in data centers and high performance computing systems. SSDs perform one or two orders better than traditional hard disk drives generally. However, the performance of random writes on SSDs, especially small random writes, is still largely limited due to the garbage collection (GC) process. Existing work tried to utilize the on-device RAM as a write cache to improve the write performance, however directly utilizing it as a normal write cache under utilizes the RAM cache. In this poster, we present our initial study of a cache management scheme that hides the GC latency.

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KW - Computational modeling

KW - Performance evaluation

KW - Random access memory

KW - Solids

KW - Time factors

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Xie W, Chen Y. A cache management scheme for hiding garbage collection latency in flash-based solid state drives. In Proceedings - 2015 IEEE International Conference on Cluster Computing, CLUSTER 2015. Institute of Electrical and Electronics Engineers Inc. 2015. p. 486-487. 7307622. (Proceedings - IEEE International Conference on Cluster Computing, ICCC). https://doi.org/10.1109/CLUSTER.2015.75

A cache management scheme for hiding garbage collection latency in flash-based solid state drives

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