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Efficient resource reclamation after deletion of slice from common file

  • US 10,511,665 B2
  • Filed: 12/12/2017
  • Issued: 12/17/2019
  • Est. Priority Date: 01/30/2015
  • Status: Active Grant
First Claim
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1. A method for use in a distributed storage network (DSN) employing one or more distributed storage task execution (DST EX) units for dispersed storage of encoded data slices, the method comprising:

  • receiving, at a DST EX unit, a delete-slice request associated with a first encoded data slice packed into a common file with other encoded data slices, wherein;

    the common file being stored in a distributed storage (DS) memory included in the DST EX unit, andeach encoded data slice packed into the common file is associated with a file offset within the common file;

    identifying, by the DST EX unit, a particular file offset within the common file, the particular file offset associated with the first encoded data slice; and

    facilitating, by the DST EX unit, releasing a portion of the DS memory to a file system maintained by the DST EX unit, wherein the portion of the DS memory is associated with the particular file offset within the common file.

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