Apparatus and method for enabling clients to participate in data storage in distributed file system
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United States of America Patent
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Jun 28, 2016
Grant Date -
Apr 25, 2013
app pub date -
Sep 4, 2012
filing date -
Oct 24, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein are an apparatus and method for enabling clients to participate in data storage in a distributed file system. The client device of a distributed file system according to the present invention includes a storage determination unit and a file reading unit. The storage determination unit determines whether first metadata information, including a global generation number of the chunk corresponding to a file to be read, has already been stored in the local storage. The file reading unit performs a read operation on the file using local data corresponding to the first metadata information if, as a result of the determination, it is determined that the first metadata information has already been stored.
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