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1. (WO2018199795) BEST-EFFORT DEDUPLICATION OF DATA

Pub. No.:    WO/2018/199795    International Application No.:    PCT/RU2017/000274
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Fri Apr 28 01:59:59 CEST 2017
IPC: G06F 12/00
Applicants: EMC IP HOLDING COMPANY LLC
Inventors: DALMATOV, Nickolay Alexandrovich
Title: BEST-EFFORT DEDUPLICATION OF DATA
Abstract:
A technique performs best-effort deduplication. The technique involves activating a front-end log deduplication service that is configured and operative to perform deduplication operations on data in front-end log-based storage prior to that data reaching back-end storage that is different from the front-end log-based storage. The technique further involves, after the front-end log deduplication service is activated, receiving new data in the front-end log-based storage. The technique further involves, providing the front-end log deduplication service to perform a data deduplication operation on the new data while the new data resides within the front-end log-based storage. The technique further involves, after the data deduplication operation is performed on the new data, updating the back-end storage to indicate storage of the new data within the back-end storage.