Invention Grant
- Patent Title: Cache management using multiple cache history lists
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Application No.: US16021597Application Date: 2018-06-28
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Publication No.: US10831654B2Publication Date: 2020-11-10
- Inventor: Liam Xiongcheng Li , Xinlei Xu , Lifeng Yang , Changyu Feng , Ruiyong Jia
- Applicant: EMC IP Holding Company LLC
- Applicant Address: US MA Hopkinton
- Assignee: EMC IP Holding Company LLC
- Current Assignee: EMC IP Holding Company LLC
- Current Assignee Address: US MA Hopkinton
- Agency: BainwoodHuang
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@763db0de
- Main IPC: G06F12/0802
- IPC: G06F12/0802 ; G06F12/0871 ; G06F12/0855 ; G06F12/0806

Abstract:
Embodiments of the present disclosure relate to a method and device for cache management. The method includes: receiving an I/O request associated with a processor kernel; in response to first data that the I/O request is targeted for being missed in a cache, determining whether a first target address of the first data is recorded in one of a plurality of cache history lists; in response to the first target address not being recorded in the plurality of cache history lists, storing, in a first node of a first free cache history list, the first target address and an initial access count of the first target address, the first free cache history list being determined in association with the processor kernel in advance; and adding the first node to a first cache history list associated with the I/O request of the plurality of cache history lists.
Public/Granted literature
- US20190004946A1 METHOD AND DEVICE FOR CACHE MANAGEMENT Public/Granted day:2019-01-03
Information query
IPC分类: