Method and Apparatus for Accessing File
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United States of America Patent
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app pub date -
Apr 20, 2016
filing date -
Oct 21, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and an apparatus for accessing a file, where the method includes that a file system receives a file access request from an application layer, acquires metadata of a file when the file access request is to acquire content of the file according to a query condition, where the metadata of the file includes index information of the file, and the query condition is used to select content of the file with respect to the index information of the file, determining, according to the index information of the file, content that is of the file and that meets the query condition, and acquiring, using a magnetic disk input/output controller, all content that is of the file and that meets the query condition such that the application layer accesses the file, and hence the memory usage is reduced by means of filtering out a part of data.
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