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1. (WO2018203938) GARBAGE COLLECTION FOR DATA STORAGE

Pub. No.:    WO/2018/203938    International Application No.:    PCT/US2018/013827
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Wed Jan 17 00:59:59 CET 2018
IPC: G06F 12/02
G06F 17/30
Applicants: GOOGLE LLC
Inventors: NIKOLOUDAKIS, Konstantinos
KOEHLER, Sven
WANG, Danyao
SABA, Sahand
FEI, Long
WISE, Simon Tyler
SCHNEIDER, David Halladay
Title: GARBAGE COLLECTION FOR DATA STORAGE
Abstract:
Methods, systems, apparatus, including computer programs encoded on computer storage media, for reclaiming storage space in a storage environment. In one aspect, the method includes actions of aggregating data that is indicative of access to one or more data objects, determining a future storage cost associated with each of a plurality of data objects, determining an access window for each of the plurality of data objects, identifying a data object based on (i) the future storage cost that satisfies a predetermined threshold and (ii) a data object access window, providing a notification to a user device that requests feedback from a user indicating whether the data object can be deleted, and in response to receiving data that indicates that the data object can be deleted, generating an instruction to cause deletion of the data object upon the expiration of the access window.