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Research on query results Cache based on log analysis in web search engines

机译:Web搜索引擎中基于日志分析的查询结果缓存的研究

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Query results cache is an effective technology to improve the performance of Web search engines. In this paper, we conducted an analysis of Web search engine query logs from SOGOU Inc. to explore some issues of query results cache for Web search engines including the locality of Web search engine workload and the impact of cache replace policy. We also conducted a series of experiments on query results cache with a variety of cache capacity and cache replacement policy settings. Experimental results showed that when there are only a small number of historical query logs, it would be better to choose a dynamic policy, and hybrid cache approach had significant improvement than any other policies in smaller cache capacity.
机译:查询结果缓存是提高Web搜索引擎性能的有效技术。在本文中,我们对SOGOU Inc.的Web搜索引擎查询日志进行了分析,以探讨Web搜索引擎的查询结果缓存的一些问题,包括Web搜索引擎工作负载的局部性以及缓存替换策略的影响。我们还对具有各种缓存容量和缓存替换策略设置的查询结果缓存进行了一系列实验。实验结果表明,当历史查询日志数量较少时,选择动态策略会更好,并且在缓存容量较小的情况下,混合缓存方法比其他任何策略都有显着改进。

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