Snowflake Assigned Two Patents
Adaptive distribution method for hash operations, transferring metadata from immutable storage
By Francis Pelletier | July 21, 2021 at 1:30 pmAdaptive distribution method for hash operations
Snowflake, Inc., San Mateo, CA has been assigned a patent (11,048,721) developed by Dageville, Benoit, Seattle, WA, Cruanes, Thierry, San Mateo, CA, Zukowski, Marcin, San Mateo, CA, Lee, Allison Waingold, San Carlos, CA, and Unterbrunner, Philipp Thomas, Belmont, CA, for an “adaptive distribution method for hash operations.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method, apparatus, and system for join operations of a plurality of relations that are distributed over a plurality of storage locations over a network of computing components.”
The patent application was filed on October 26, 2020 (Appl. No.17/080,219).
Transferring metadata from immutable storage
Snowflake, Inc., San Mateo, CA has been assigned a patent (11,048,687) developed by Dageville, Benoit, San Mateo, CA, Hentschel, Martin, Berlin, Germany, and Waddington, William, San Mateo, CA, and Unterbrunner, Philipp Thomas, Belmont, CA, for “transferring metadata from immutable storage.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”The subject technology generates and stores a new version set of one or more table-metadata files, the new version set of one or more table-metadata files comprising table metadata for a new version of a database table. The subject technology determines that a plurality of table-metadata files are not included in a cache. The subject technology downloads, in parallel, the plurality of table-metadata files from immutable storage. The subject technology stores, in the cache, the plurality of table-metadata files. The subject technology reads, among the plurality of table-metadata files, a first table-metadata file before a second table-metadata file has been fully downloaded, the plurality of table-metadata files comprising at least the first table-metadata file and the second table-metadata file.”
The patent application was filed on October 30, 2020 (Appl. No.17/086,245).
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