Apparatus and method for managing a file in a distributed storage system
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United States of America Patent
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Apr 15, 2014
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app pub date -
Nov 3, 2010
filing date -
Nov 3, 2009
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Abstract
The present invention relates to an apparatus and method for managing files in a distributed storage system. The apparatus and method for managing a file in a distributed storage system according to the present invention counts the number of inquiries on a file requested by a client; selects the file as a hot file if the number of inquiries counted in a certain counting period is larger than a hot file selection threshold value; and increases the number of copies of the file selected as a hot file or stores the file selected as a hot file in a storage device having a relatively good performance.
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