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US 2020/0053182 A1Published application
Cached data expiration and refresh
AssigneeHome Box Office, Inc.
InventorsJonathan David Lutz, Sata Busayarat, Mei Qi
Life of this patent
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AssigneeHome Box Office, Inc.
InventorsJonathan David Lutz, Sata Busayarat, Mei Qi
Estimating the term…
The described technology is directed towards maintaining a cache of data items, with cached data items having current value subsets and next value subsets. The cache is accessed for data item requests, to return a cache miss if a requested data item is not cached, to return data from the current value subset if not expired, to return data from the next value subset if the current value subset is expired and the next value subset is not expired, or to return a cache miss (or expired data) if both subsets are expired. Cached data items are refreshed, (e.g., periodically), when a data item's current value subset is expired by replacing the data item's current value subset with the next value subset and caching a new next value subset, or caching a new next value subset when the next value subset will expire within a threshold time.
A method comprising:
A system, comprising:
One or more machine-readable storage media having machine-executable instructions, which when executed perform steps, comprising:
Dependencies are inferred from the claim text.