{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9659038","patent":{"patent_number":"US-9659038","title":"Efficient snapshot read of a database in a distributed storage system","assignee":null,"inventors":[],"filing_date":"2013-06-03T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F"],"num_claims":18,"abstract":"A computer system issues a batch read operation to a tablet in a first replication group in a distributed database and obtains a most recent version of data items in the tablet that have a timestamp no great than a snapshot timestamp T. For each data item in the one tablet, the computer system determines whether the data item has a move-in timestamp less than or equal to the snapshot timestamp T, which is less than a move-out timestamp, and whether the data item has a creation timestamp less than the snapshot timestamp T, which is less than or equal to a deletion timestamp. If the determination is true, the computer system determines whether the move-out timestamp has an actual associated value and, if so, the computer system determines a second tablet in a second replication group in the database that includes the data item and issues the snapshot read operation to the second table in the second replication group to obtain a most-recent version of the data item that has a timestamp no greater than the snapshot timestamp T; otherwise, the computer system issues the snapshot read to the one tablet to obtain a most recent version of the data item that has a timestamp no greater than the snapshot timestamp T."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Efficient snapshot read of a database in a distributed storage system","description":"A computer system issues a batch read operation to a tablet in a first replication group in a distributed database and obtains a most recent version of data items in the tablet that have a timestamp n","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9659038","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9659038","citation_suggestion":"Patentable. \"Efficient snapshot read of a database in a distributed storage system\" (US-9659038). https://patentable.app/patents/US-9659038","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9659038","json":"https://patentable.app/api/llm-context/US-9659038","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:21:21.492Z"}