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Enhancing Memcached by Caching Its Data and Functionalities at Network Interface
https://ipsj.ixsq.nii.ac.jp/records/141395
https://ipsj.ixsq.nii.ac.jp/records/14139573d37eb7-1927-42a7-a467-8a6eaf5e7315
名前 / ファイル | ライセンス | アクション |
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Copyright (c) 2015 by the Information Processing Society of Japan
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オープンアクセス |
Item type | Journal(1) | |||||||||||||||||||
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公開日 | 2015-03-15 | |||||||||||||||||||
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タイトル | Enhancing Memcached by Caching Its Data and Functionalities at Network Interface | |||||||||||||||||||
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言語 | en | |||||||||||||||||||
タイトル | Enhancing Memcached by Caching Its Data and Functionalities at Network Interface | |||||||||||||||||||
言語 | ||||||||||||||||||||
言語 | eng | |||||||||||||||||||
キーワード | ||||||||||||||||||||
主題Scheme | Other | |||||||||||||||||||
主題 | [特集:学生・若手研究者論文] memcached, key-value store, network interface card, cache, FPGA | |||||||||||||||||||
資源タイプ | ||||||||||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||
資源タイプ | journal article | |||||||||||||||||||
著者所属 | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
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NEC Corporation | ||||||||||||||||||||
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NEC Corporation | ||||||||||||||||||||
著者所属 | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属 | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属 | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属 | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
NEC Corporation | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
NEC Corporation | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者所属(英) | ||||||||||||||||||||
en | ||||||||||||||||||||
Graduate School of Information Science and Technology, Hokkaido University | ||||||||||||||||||||
著者名 |
EricS.Fukuda
× EricS.Fukuda
× Hiroaki, Inoue
× Takashi, Takenaka
× Dahoo, Kim
× Tsunaki, Sadahisa
× Tetsuya, Asai
× Masato, Motomura
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著者名(英) |
Eric, S.Fukuda
× Eric, S.Fukuda
× Hiroaki, Inoue
× Takashi, Takenaka
× Dahoo, Kim
× Tsunaki, Sadahisa
× Tetsuya, Asai
× Masato, Motomura
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論文抄録 | ||||||||||||||||||||
内容記述タイプ | Other | |||||||||||||||||||
内容記述 | Memcached has been widely accepted as a technology to improve the response speed of web servers by caching data on DRAMs in distributed servers. Because of its importance, the acceleration of memcached has been studied on various platforms. Among them, FPGA looks the most attractive platform to run memcached, and several research groups have tried to obtain a much higher performance than that of CPU out of it. The difficulty encountered there, however, is how to manage large-sized memory (gigabytes of DRAMs) from memcached hardware built in an FPGA. Some groups are trying to solve this problem by using an embedded CPU for memory allocation and another group is employing an SSD. Unlike other approaches that try to replace memcached itself on FPGAs, our approach augments the software memcached running on the host CPU by caching its data and some operations at the FPGA-equipped network interface card (NIC) mounted on the server. The locality of memcached data enables the FPGA NIC to have a fairly high hit rate with a smaller memory. In this paper, we describe the architecture of the proposed NIC cache, and evaluate the effectiveness with a standard key-value store (KVS) benchmarking tool. Our evaluation shows that our system is effective if the workload has temporal locality but does not handle workloads well without such a characteristic. We further propose methods to overcome this problem and evaluate them. As a result, we estimate that the latency improved by up to 3.5 times over software memcached running on a high performance CPU. ------------------------------ This is a preprint of an article intended for publication Journal of Information Processing(JIP). This preprint should not be cited. This article should be cited as: Journal of Information Processing Vol.23(2015) No.2 (online) DOI http://dx.doi.org/10.2197/ipsjjip.23.143 ------------------------------ |
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論文抄録(英) | ||||||||||||||||||||
内容記述タイプ | Other | |||||||||||||||||||
内容記述 | Memcached has been widely accepted as a technology to improve the response speed of web servers by caching data on DRAMs in distributed servers. Because of its importance, the acceleration of memcached has been studied on various platforms. Among them, FPGA looks the most attractive platform to run memcached, and several research groups have tried to obtain a much higher performance than that of CPU out of it. The difficulty encountered there, however, is how to manage large-sized memory (gigabytes of DRAMs) from memcached hardware built in an FPGA. Some groups are trying to solve this problem by using an embedded CPU for memory allocation and another group is employing an SSD. Unlike other approaches that try to replace memcached itself on FPGAs, our approach augments the software memcached running on the host CPU by caching its data and some operations at the FPGA-equipped network interface card (NIC) mounted on the server. The locality of memcached data enables the FPGA NIC to have a fairly high hit rate with a smaller memory. In this paper, we describe the architecture of the proposed NIC cache, and evaluate the effectiveness with a standard key-value store (KVS) benchmarking tool. Our evaluation shows that our system is effective if the workload has temporal locality but does not handle workloads well without such a characteristic. We further propose methods to overcome this problem and evaluate them. As a result, we estimate that the latency improved by up to 3.5 times over software memcached running on a high performance CPU. ------------------------------ This is a preprint of an article intended for publication Journal of Information Processing(JIP). This preprint should not be cited. This article should be cited as: Journal of Information Processing Vol.23(2015) No.2 (online) DOI http://dx.doi.org/10.2197/ipsjjip.23.143 ------------------------------ |
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収録物識別子タイプ | NCID | |||||||||||||||||||
収録物識別子 | AN00116647 | |||||||||||||||||||
書誌情報 |
情報処理学会論文誌 巻 56, 号 3, 発行日 2015-03-15 |
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収録物識別子タイプ | ISSN | |||||||||||||||||||
収録物識別子 | 1882-7764 |