Quick initialization of data regions in a distributed storage system
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United States of America Patent
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Aug 30, 2022
Grant Date -
Oct 17, 2019
app pub date -
Jun 27, 2019
filing date -
Sep 30, 2014
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Abstract
A method includes integrating a file system recovery log layer in a file system. The file system buffers data in a cyclical manner, and transforms all incoming random requests into a series of synchronous sequential updates. The method determines a length value of a write transaction byte-range for a received write transaction. Upon the length value exceeding a threshold value, data for the write transaction byte-range is written to permanent storage in the file system. Upon the length value being less than the threshold value, the data for the write transaction byte-range is written to a recovery log that is stored in the file system recovery log layer. The threshold value is changed dynamically while the file system is mounted.
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