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Auto indexing with customizable metadata

  • US 10,348,829 B2
  • Filed: 08/15/2016
  • Issued: 07/09/2019
  • Est. Priority Date: 08/15/2016
  • Status: Active Grant
First Claim
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1. An auto indexing method for execution by a computing device of a dispersed storage network (DSN), the method comprises:

  • identifying a vault of the DSN for an auto indexing function, wherein the vault stores a plurality of data objects and stores a plurality of metadata files corresponding to the plurality of data objects, wherein a metadata file of the plurality of metadata files includes objective metadata and subjective metadata;

    obtaining search criteria for the auto indexing function;

    for each of at least some search criterion of the search criteria;

    scanning the plurality of metadata files to identify one or more metadata files of the plurality of metadata files having at least one of the objective metadata and the subjective metadata corresponding to the search criterion;

    updating an index file of an index structure to include the identity of the one or more metadata files of the plurality of metadata files having the at least one of the objective metadata and the subjective metadata corresponding to the search criterion; and

    updating the index structure based on the index file; and

    utilizing the updated index structure to search for one or more data objects having one or more of the search criterion of the search criteria; and

    when identifying the one or more data objects having the one or more of the search criterion;

    modifying a corresponding one or more metadata files of the identified one or more data objects to include the identity of the one or more at least one of the objective metadata and the subjective metadata corresponding to the search criterion; and

    updating one or more index files of the updated index structure based on the modified one or more metadata files.

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