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An Index Structure for Main-memory Storage Systems using The Level Pre-fetching
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 Title & Authors
An Index Structure for Main-memory Storage Systems using The Level Pre-fetching
Lee, Seok-Jae; Yoon, Jong-Hyun; Song, Seok-Il; Yoo, Jae-Soo;
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 Abstract
Recently, several main-memory index structures have been proposed to reduce the impact of secondary cache misses. In mainmemory storage systems, secondary cache misses have a substantial effect on the performance of index structures. However, recent studies still stiffer from secondary cache misses when visiting each level of index tree. In this paper, we propose a new index structure that minimizes the total amount of cache miss latency. The proposed index structure prefetched grandchildren of a current node. The basic structure of the proposed index structure is based on that of the CSB+-Tree, which uses the concept of a node group to increase fan-out. However, the insert algorithm of the proposed index structure significantly reduces the cost of a split. The superiority of our algorithm is shown through performance evaluation.
 Keywords
Main-memory storage system;Main-memory index structure;Cache conscious;Pre-fetch;
 Language
English
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