MX2020002334A - Memoria cache de bufer directamente asignada en memoria no volatil. - Google Patents

Memoria cache de bufer directamente asignada en memoria no volatil.

Info

Publication number
MX2020002334A
MX2020002334A MX2020002334A MX2020002334A MX2020002334A MX 2020002334 A MX2020002334 A MX 2020002334A MX 2020002334 A MX2020002334 A MX 2020002334A MX 2020002334 A MX2020002334 A MX 2020002334A MX 2020002334 A MX2020002334 A MX 2020002334A
Authority
MX
Mexico
Prior art keywords
nvram
access
volatile memory
extent
computing device
Prior art date
Application number
MX2020002334A
Other languages
English (en)
Inventor
Juan R Loaiza
J William Lee
Wei- Ming HU
Kothanda Umamageswaran
Neil J S Macnaughton
Adam Y Lee
Original Assignee
Oracle Int Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oracle Int Corp filed Critical Oracle Int Corp
Publication of MX2020002334A publication Critical patent/MX2020002334A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G06F12/0868—Data transfer between cache memory and other subsystems, e.g. storage devices or host systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G06F12/0873—Mapping of cache memory to specific storage devices or parts thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/13—File access structures, e.g. distributed indices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/17—Details of further file system functions
    • G06F16/172—Caching, prefetching or hoarding of files
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1016—Performance improvement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/22—Employing cache memory using specific memory technology
    • G06F2212/222—Non-volatile memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/46—Caching storage objects of specific type in disk cache
    • G06F2212/463—File
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/46—Caching storage objects of specific type in disk cache
    • G06F2212/465—Structured object, e.g. database record
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/60—Details of cache memory
    • G06F2212/608—Details relating to cache mapping

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Se proporcionan técnicas para implementar una memoria caché de búfer para un sistema de archivo persistente en memoria no volátil; se mantiene un conjunto de datos en una o más extensiones en memoria de acceso aleatorio no volátil (NVRAM) de un dispositivo de cómputo; al menos un encabezado de búfer se asigna en memoria de acceso aleatorio dinámica (DRAM) del dispositivo de cómputo; en respuesta a una petición de lectura por un primer proceso que se ejecuta en el dispositivo de cómputo para acceder a uno o más primeros bloques de datos en una primera extensión de la una o más extensiones, el primer proceso se concede con acceso de lectura directo de la primera extensión en NVRAM; se almacena una referencia a la primera extensión en NVRAM en un primer encabezado de búfer; el primer encabezado de búfer está asociado con el primer proceso; el primer proceso usa el primer encabezado de búfer para acceder directamente al uno o más primeros bloques de datos en NVRAM.
MX2020002334A 2017-08-31 2018-08-30 Memoria cache de bufer directamente asignada en memoria no volatil. MX2020002334A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/693,273 US10719446B2 (en) 2017-08-31 2017-08-31 Directly mapped buffer cache on non-volatile memory
PCT/US2018/048939 WO2019046632A1 (en) 2017-08-31 2018-08-30 BUFFER MEMORY DIRECTLY MAPPED ON NON-VOLATILE MEMORY

Publications (1)

Publication Number Publication Date
MX2020002334A true MX2020002334A (es) 2020-07-13

Family

ID=63684483

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020002334A MX2020002334A (es) 2017-08-31 2018-08-30 Memoria cache de bufer directamente asignada en memoria no volatil.

Country Status (7)

Country Link
US (2) US10719446B2 (es)
EP (1) EP3676724B1 (es)
KR (1) KR102774144B1 (es)
CN (1) CN111033481B (es)
CA (1) CA3068875C (es)
MX (1) MX2020002334A (es)
WO (1) WO2019046632A1 (es)

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