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Paper Abstract and Keywords
Presentation 2006-07-14 10:25
A Concurrency Control Method Using the B-link on the Fat-Btree
Tomohiro Yoshihara, Dai Kobayashi (Tokyo Tech), Ryo Taguchi (NHK), Haruo Yokota (Tokyo Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) The B-link can achieve excellent concurrency control, which uses links to chain all nodes at each level together. In the B-link algorithm, neither readers nor updaters latch-couple on their way down to a leaf node and they acquire the latch only on one node at a time. However, it is difficult to guarantee the consistency of the side pointers if the B-link is applied to whole of a parallel Btree structure. In this paper, a new concurrency control method using the B-link on the Fat-Btree, a parallel Btree structure, to reduce the frequency of X latches and the range of X latches at a time. To compare the performance of the proposed method and the conventional method, we implemented them on an autonomous-disk system adopting the Fat-Btree. The experimental results with changing update ratio indicate that the proposed method always improves the system throughput, and are especially effective for higher update ratio configuration.
Keyword (in Japanese) (See Japanese page) 
(in English) Access Path / Concurrency Control / Parallel $\cdot$ Distributed DB / Btree / B-link / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 150, DE2006-110, pp. 109-114, July 2006.
Paper # DE2006-110 
Date of Issue 2006-07-07 (DE) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee DE  
Conference Date 2006-07-12 - 2006-07-14 
Place (in Japanese) (See Japanese page) 
Place (in English) HOTEL SENKEI 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Data Engineering, etc. 
Paper Information
Registration To DE 
Conference Code 2006-07-DE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Concurrency Control Method Using the B-link on the Fat-Btree 
Sub Title (in English)  
Keyword(1) Access Path  
Keyword(2) Concurrency Control  
Keyword(3) Parallel $\cdot$ Distributed DB  
Keyword(4) Btree  
Keyword(5) B-link  
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1st Author's Name Tomohiro Yoshihara  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Dai Kobayashi  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Ryo Taguchi  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Haruo Yokota  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2006-07-14 10:25:00 
Presentation Time 20 minutes 
Registration for DE 
Paper # DE2006-110 
Volume (vol) vol.106 
Number (no) no.150 
Page pp.109-114 
#Pages
Date of Issue 2006-07-07 (DE) 


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