Video: Cache Drive yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
SSD caching , kuj hu ua flash caching , yog qhov khaws cia ib ntus ntawm cov ntaub ntawv ntawm NAND flash nco chips hauv asolid-state tsav (SSD) yog li cov ntaub ntawv thov tuaj yeem ua tau raws li kev txhim kho ceev. Ib flash cache feem ntau siv nrog qeeb HDDs txhawm rau txhim kho cov ntaub ntawv nkag sijhawm. Caches tuaj yeem siv rau cov ntawv nyeem lossis sau ntawv.
Tom qab ntawd, ib tug kuj nug, puas SSD drives muaj cache?
Ib tug flash-based SSD feem ntau siv me me ntawm DRAM li a cache , zoo ib yam li cov cache hauv Hard cov disks . Cov ntaub ntawv tsis tas yuav khaws cia rau hauv lub cache . Ib SSD Controller Chaw tsim tshuaj paus, SandForce, ua tsis siv DRAM sab nraud cache ntawm lawv cov qauv tsim, tab sis tseem ua tau zoo heev.
Tsis tas li ntawd, NVMe cache yog dab tsi? NVMe (non-volatile memory express) yog hostcontroller interface thiab cia raws tu qauv tsim los ua kom cov ntaub ntawv hloov pauv ntawm kev lag luam thiab cov neeg siv khoom thiab cov khoom siv hauv xeev (SSDs) hla lub khoos phis tawj high-speed PeripheralComponent Interconnect Express (PCIe) tsheb npav.
Kuj paub, puas loj dua hard drive cache zoo dua?
Nyob rau hauv ib tug nutshell nce cache txhais tau tias txo lub sijhawm thauj khoom. Cov cache ua haujlwm los ntawm kev lees paub cov ntaub ntawv siv ntau zaus thiab khaws cia kom nws tuaj yeem nkag tau sai dua, loj dua cache cov ntaub ntawv ntau ntxiv tuaj yeem khaws cia rau hauv nws. Yog li kom teb koj cov lus nug yog 64mb yuav yog zoo dua ua 32mb.
Lub hom phiaj ntawm cache thiab tsis yog dab tsi?
A tsis pub yog ib cheeb tsam ntawm lub cim xeeb siv rau ib ntus tuav cov ntaub ntawv thaum nws tau tsiv los ntawm ib qho chaw mus rau lwm qhov hauv lub computer.while a cache yog thaj chaw khaws cia ib ntus uas nquag nkag tau cov ntaub ntawv tuaj yeem khaws cia rau kev nkag tau sai.
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