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Caching is an effective optimization in search engine storage architectures. Many caching algorithms have been proposed to improve retrieval performance. The data selection policy of search engine cache management plays an important role, which carefully places the data in memory or other storage, such as solid state disks (SSDs). Considering that the historical query log has a guiding role for the...
Caching is an effective optimization in search engine. The data selection policy plays a key role in caching, which places the data to be cached in memory. However, the current data selection policies are not suitable to the hybrid storage architecture with solid state disks (SSDs), which have gradually replaced hard disk drives (HDDs) in search engines. In this paper, we present an Efficient Data...
Large-scale search engines use hard disk drives (HDD) to store the mass index data for their capacity, whose performances are limited by the relatively low I/O performance of HDD. Caching is an effective optimization, and many caching algorithms have been proposed to improve retrieval performance. Considering the high cost of memory and huge amounts of data, the limited capacity of cache in memory...
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