关键词: P级文件系统搜索, 桌面搜索, 全文搜索, 倒排索引, 语义, 索引层级划分

Abstract: As file systems grow to petabytes, managing and retrieving the billions of files become increasingly difficult. Efficient file system search becomes more and more important and necessary. The authors gave an overview on the current state of petascale file system search and the challenges, discussed the key points, existing projects in petascale file system search and the index technology. At the end, the authors proposed some new research prospects in petascale file system search.

Key words: petascale file system search, desktop search, full-text search, inverted index, semantic, hierarchical partitioning