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Paper Abstract and Keywords
Presentation 2015-08-05 10:30
Block-access analysis on workloads for hierarchical storage systems
Yuta Shinyashiki (Tokyo Tech), Ken Iizawa, Toshihiro Ozawa (FUJITSU Lab.), Yoshitaka Arahori, Haruo Yokota (Tokyo Tech) DE2015-12
Abstract (in Japanese) (See Japanese page) 
(in English) As an effective way to tackle the data-explosion problem, hierarchical storage systems composed of HDDs and SSDs are attracting much attention. For efficiency, these systems periodically move data across storage tiers based on their access frequency. In some cases, however, inappropriate timing of data-movement prevents systems from exploiting full efficiency. To confirm our hypothesis that the time intervals of each data (re)accesses contribute to an optimal timing of data-movement, we analyze access intervals on each disk block and each disk area, using the MSR Cambridge block-trace benchmarks. We also investigate data-relocation periods in hierarchical storage systems.
Keyword (in Japanese) (See Japanese page) 
(in English) hierarchical storage / block trace / data relocation / access cycle / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 177, DE2015-12, pp. 1-6, Aug. 2015.
Paper # DE2015-12 
Date of Issue 2015-07-29 (DE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee DE IPSJ-DBS IPSJ-IFAT  
Conference Date 2015-08-05 - 2015-08-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Todaiji Culture Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Management, Information Retrieval, Knowledge Discovery, etc. 
Paper Information
Registration To DE 
Conference Code 2015-08-DE-DBS-IFAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Block-access analysis on workloads for hierarchical storage systems 
Sub Title (in English)  
Keyword(1) hierarchical storage  
Keyword(2) block trace  
Keyword(3) data relocation  
Keyword(4) access cycle  
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1st Author's Name Yuta Shinyashiki  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Ken Iizawa  
2nd Author's Affiliation FUJITSU LABORATORIES LTD. (FUJITSU Lab.)
3rd Author's Name Toshihiro Ozawa  
3rd Author's Affiliation FUJITSU LABORATORIES LTD. (FUJITSU Lab.)
4th Author's Name Yoshitaka Arahori  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
5th Author's Name Haruo Yokota  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2015-08-05 10:30:00 
Presentation Time 30 minutes 
Registration for DE 
Paper # DE2015-12 
Volume (vol) vol.115 
Number (no) no.177 
Page pp.1-6 
#Pages
Date of Issue 2015-07-29 (DE) 


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