The swap space is located on disk, in the form of a partition or a file. Linux uses it to extend the memory available to processes, storing infrequently used pages there. We usually configure swap space during the operating system installation. But, it can also be set afterward by using the mkswap and swapon commands.
What is using swap space?
A computer has a sufficient amount of physical memory but most of the time we need more so we swap some memory on disk. Swap space is a space on a hard disk that is ib qho kev hloov rau lub cev nco. It is used as virtual memory which contains process memory images.
Can we clear swap space in Linux?
To clear the swap memory on your system, you simply need to cycle off the swap. Qhov no txav tag nrho cov ntaub ntawv los ntawm kev sib pauv nco rov qab rau hauv RAM. Nws kuj txhais tau tias koj yuav tsum paub tseeb tias koj muaj RAM los txhawb txoj haujlwm no. Ib txoj hauv kev yooj yim ua qhov no yog khiav 'dawb -m' kom pom dab tsi yog siv hauv kev sib pauv thiab hauv RAM.
Yuav ua li cas thaum lub cim xeeb puv swap?
Yog tias koj cov disks tsis nrawm txaus los khaws cia, tom qab ntawd koj lub kaw lus yuav xaus rau kev sib tsoo, thiab koj yuav muaj kev qeeb qeeb thaum cov ntaub ntawv sib pauv hauv thiab tawm ntawm lub cim xeeb. Qhov no yuav ua rau muaj kev tsis sib haum xeeb. Qhov thib ob muaj peev xwm yog koj yuav khiav tawm ntawm lub cim xeeb, ua rau wierdness thiab crashes.
Vim li cas ho xav tau kev sib pauv?
Swap yog siv los muab cov txheej txheem chav, txawm tias lub cev RAM ntawm lub cev twb siv lawm. Hauv kev teeb tsa ib txwm muaj, thaum lub kaw lus ntsib lub cim xeeb siab, kev sib pauv yog siv, thiab tom qab ntawd thaum lub cim xeeb siab ploj mus thiab lub kaw lus rov ua haujlwm li qub, kev sib pauv tsis siv lawm.
Puas yog 16gb RAM xav tau qhov chaw sib pauv?
Yog tias koj muaj RAM ntau - 16 GB lossis yog li ntawd - thiab koj tsis xav tau hibernate tab sis xav tau qhov chaw disk, koj tuaj yeem khiav mus nrog me me. 2 GB swb partition. Ntxiv dua thiab, nws yeej nyob ntawm qhov nco npaum li cas koj lub computer yuav siv tiag tiag. Tab sis nws yog ib lub tswv yim zoo kom muaj qee qhov chaw sib pauv xwb.
Vim li cas kev siv swap siab heev?
Qhov feem pua ntawm kev siv swap ntau dua yog qhov qub thaum cov modules muab siv hnyav ntawm disk. Kev siv swap siab yuav yog ib qho cim qhia tias lub kaw lus tab tom muaj kev nco siab. Txawm li cas los xij, BIG-IP system tuaj yeem muaj kev sib pauv siab siv nyob rau hauv ib txwm ua haujlwm, tshwj xeeb tshaj yog nyob rau tom qab versions.
Kuv yuav tswj hwm qhov chaw sib pauv hauv Linux li cas?
Muaj ob txoj kev xaiv thaum nws los tsim ib qho chaw sib pauv. Koj tuaj yeem tsim qhov sib pauv faib lossis cov ntaub ntawv sib pauv. Feem ntau Linux kev teeb tsa tuaj ua ntej nrog kev sib pauv faib. Qhov no yog qhov tshwj xeeb thaiv kev nco ntawm lub hard disk siv thaum lub cev RAM puv.
Kuv yuav pauv li cas hauv Linux?
Cov kauj ruam yooj yim los ua yog yooj yim:
- Tshem tawm qhov chaw sib pauv uas twb muaj lawm.
- Tsim ib qho kev sib pauv tshiab ntawm qhov xav tau loj.
- Rov nyeem cov lus muab faib.
- Configure qhov muab faib ua swap chaw.
- Ntxiv qhov tshiab muab faib/etc/fstab.
- Qhib swap.
Kuv yuav tshem qhov chaw ntawm Linux server li cas?
Pub dawb qhov chaw disk ntawm koj lub Linux server
- Nkag mus rau hauv paus ntawm koj lub tshuab los ntawm kev khiav cd /
- Khiav sudo du -h –max-depth=1.
- Nco ntsoov cov npe twg siv ntau qhov chaw disk.
- cd rau hauv ib qho ntawm cov npe loj.
- Khiav ls -l kom pom cov ntaub ntawv twg siv ntau qhov chaw. Rho tawm yam koj tsis xav tau.
- Rov ua cov kauj ruam 2 txog 5.