Thrashing siv qhov twg?

Cov txheej txheem:

Thrashing siv qhov twg?
Thrashing siv qhov twg?

Video: Thrashing siv qhov twg?

Video: Thrashing siv qhov twg?
Video: Nkauj tawm tshiab _QHov twg los tau _ by Xim vaj & Xeeb vwj & xis nus vaj _ (2020 - 2021 ) 2024, Kaum ib hlis
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"Thrashing" kuj tseem siv rau hauv cov ntsiab lus lwm yam tsis yog lub cim xeeb virtual; Piv txwv li, los piav txog cov teeb meem cache hauv kev suav lossis dag qhov rais syndrome hauv kev sib tham.

Nyob rau hauv qhov xwm txheej hauv qab no thrashing yuav tshwm sim?

Thrashing yog lub xeev uas peb CPU ua 'ua tau zoo' ua haujlwm tsawg dua thiab 'swapping' ntau dua. CPU tsis khoom nyob rau hauv swapping nplooj ntawv, ntau heev uas nws tsis tuaj yeem teb rau cov neeg siv kev pab cuam ntau npaum li qhov xav tau. Vim li cas nws tshwm sim: Hauv peb lub cev, Thrashing tshwm sim thaum muaj nplooj ntawv ntau dhau hauv peb lub cim xeeb, thiab txhua nplooj ntawv xa mus rau lwm nplooj ntawv.

Yuav ua li cas thiaj nrhiav tau thrashing?

Teb: Thrashing yog tshwm sim los ntawm kev faib cov nplooj ntawv tsawg kawg nkaus uas yuav tsum tau ua los ntawm cov txheej txheem, yuam nws mus txuas ntxiv nplooj ntawv txhaum. Lub kaw lus tuaj yeem ntes thrashing los ntawm ntsuas qib ntawm kev siv CPU raws li pivrau qib ntawm multiprogramming.

Yuav ua li cas thrashing hauv kev faib khoom nco?

Thrashing hauv kev suav yog qhov teeb meem tshwm sim thaum lub cim xeeb virtual sivNws tshwm sim thaum lub cim xeeb virtual ntawm lub khoos phis tawj tau nrawm pauv cov ntaub ntawv rau cov ntaub ntawv ntawm hard disk, kom tsis suav nrog ntawm feem ntau ntawm daim ntawv thov-theem ua. … Kev sib pauv ua rau tus nqi siab heev ntawm kev nkag mus rau hard disk.

thrashing thaum twg nws tshwm sim thiab nws cuam tshuam li cas?

Thrashing tshwm sim thaum lub kaw lus tsis muaj lub cim xeeb txaus, qhov system swap file tsis raug teeb tsa zoo, ntau dhau los ua haujlwm tib lub sijhawm, lossis muaj cov peev txheej qis. … Thaum thrashing tshwm sim, lub khoos phis tawj hard drive ib txwm ua haujlwm thiab kev ua haujlwm ntawm lub cev poob qis.

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