Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Ntu 1. Hais txog CPU

Hauv tsab xov xwm no peb yuav tham txog random access memory (RAM) cov txee ua haujlwm hauv vSphere.
Nws zoo nkaus li tias nrog lub cim xeeb txhua yam yog qhov tseeb dua nrog lub processor: yog tias muaj teeb meem kev ua haujlwm tshwm sim ntawm VM, nws nyuaj rau tsis pom lawv. Tab sis yog tias lawv tshwm sim, nws nyuaj dua los daws lawv. Tab sis thawj yam ua ntej.

Ib qho kev xav ntawm me ntsis

Lub RAM ntawm cov tshuab virtual yog muab los ntawm lub cim xeeb ntawm cov neeg rau zaub mov uas VMs tab tom khiav. Qhov no yog qhov tseeb heev :). Yog tias tus neeg rau zaub mov RAM tsis txaus rau txhua tus, ESXi pib siv cov txheej txheem nco rov qab. Txwv tsis pub, VM operating systems yuav tsoo nrog RAM nkag yuam kev.

ESXi txiav txim siab cov txheej txheem twg los siv nyob ntawm RAM load:

Nco xwm txheej

Ciam Tebchaws

Sau ntawv

High

400% ntawm minFree

Tom qab ncav cuag qhov txwv siab, cov nplooj ntawv nco loj tau muab faib ua cov me me (TPS ua haujlwm hauv hom qauv).

Clear

100% ntawm minFree

Cov nplooj ntawv nco loj tau muab faib ua me me, TPS raug yuam.

Mos

64% ntawm minFree

TPS + Balloon

Hard

32% ntawm minFree

TPS + Compress + Swap

Tsawg

16% ntawm minFree

Compress + Swap + Block

Tau qhov twg los

minFree yog RAM xav tau rau lub hypervisor khiav.

Txog ESXi 4.1 suav nrog, minFree tau kho los ntawm lub neej ntawd - 6% ntawm cov neeg rau zaub mov RAM (feem pua ​​​​ntawm cov neeg siv khoom tuaj yeem hloov pauv ntawm Mem.MinFreePct kev xaiv ntawm ESXi). Nyob rau hauv cov versions tom qab, vim kev loj hlob ntawm kev nco ntawm servers, minFree pib xam raws li tus nqi ntawm lub cim xeeb ntawm tus tswv tsev, thiab tsis raws li tus nqi feem pua.

Tus nqi minFree (default) yog xam raws li hauv qab no:

Feem pua ​​ntawm kev nco tseg rau minFree

Kev nco ntau

6%

0-4 GB

4%

4-12 GB

2%

12-28 GB

1%

Tseem Nco

Tau qhov twg los

Piv txwv li, rau ib tus neeg rau zaub mov nrog 128 GB ntawm RAM, MinFree tus nqi yuav yog raws li hauv qab no:
MinFree = 245,76 + 327,68 + 327,68 + 1024 = 1925,12 MB = 1,88 GB
Tus nqi tiag tiag yuav txawv ntawm ob peb puas MB, nyob ntawm tus neeg rau zaub mov thiab RAM.

Feem pua ​​ntawm kev nco tseg rau minFree

Kev nco ntau

Tus nqi rau 128 GB

6%

0-4 GB

245,76 MB

4%

4-12 GB

327,68 MB

2%

12-28 GB

327,68 MB

1%

Nco tseg (100 GB)

1024 MB

Feem ntau, rau cov khoom tsim tau, tsuas yog Lub Xeev High tuaj yeem suav tias yog qhov qub. Rau kev ntsuam xyuas thiab kev tsim kho lub rooj zaum, Clear/Soft states yuav ua tau. Yog tias RAM ntawm tus tswv tsev tsawg dua 64% MinFree, tom qab ntawd VMs khiav ntawm nws yeej muaj teeb meem kev ua haujlwm.

Hauv txhua lub xeev, qee yam kev nco txog kev rov qab siv dua, pib los ntawm TPS, uas tsis muaj txiaj ntsig zoo rau VM kev ua tau zoo, mus rau Swapping. Kuv mam qhia koj ntxiv txog lawv.

Transparent Page Sharing (TPS). TPS yog, kwv yees hais lus, deduplication ntawm RAM nplooj ntawv ntawm lub tshuab virtual ntawm lub server.

ESXi tshawb nrhiav cov nplooj ntawv virtual tshuab RAM zoo tib yam los ntawm kev suav thiab sib piv cov lej hash ntawm nplooj ntawv, thiab tshem tawm cov nplooj ntawv sib npaug, hloov lawv nrog cov ntawv xa mus rau tib nplooj ntawv hauv server lub cev nco. Raws li qhov tshwm sim, kev siv lub cev nco tau txo qis thiab qee qhov kev nco oversubscription tuaj yeem ua tiav nrog tsis muaj kev cuam tshuam rau kev ua haujlwm.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco
Tau qhov twg los

Cov txheej txheem no tsuas yog ua haujlwm rau nplooj ntawv nco ntawm 4 KB loj (cov nplooj ntawv me). Lub hypervisor tsis txawm sim deduplicate nplooj ntawv 2 MB loj (cov nplooj ntawv loj): lub caij nyoog ntawm kev nrhiav cov nplooj ntawv zoo tib yam ntawm qhov loj me no tsis zoo.

Los ntawm lub neej ntawd, ESXi faib lub cim xeeb rau nplooj ntawv loj. Kev faib cov nplooj ntawv loj rau hauv cov nplooj ntawv me me pib thaum lub xeev siab tau mus txog thiab raug yuam kom mus txog thaum Lub Xeev Clear (saib cov lus hypervisor xeev).

Yog tias koj xav kom TPS pib ua haujlwm yam tsis tau tos tus tswv RAM kom puv, koj yuav tsum teeb tsa tus nqi hauv Advanced Options ESXi “Mem.AllocGuestLargePage” rau 0 (default 1). Tom qab ntawd qhov kev faib cov nplooj ntawv cim xeeb loj rau cov tshuab virtual yuav raug kaw.

Txij li thaum lub Kaum Ob Hlis 2014, nyob rau hauv tag nrho cov ESXi tso tawm, TPS ntawm VMs yog neeg xiam oob qhab los ntawm lub neej ntawd, raws li qhov muaj qhov tsis zoo tau pom tias txoj cai tso cai rau ib tus VM nkag mus rau RAM ntawm lwm VM. Paub meej ntawm no. Kuv tsis tau tuaj hla cov ntaub ntawv hais txog kev siv tswv yim ntawm kev siv TPS qhov tsis zoo.

TPS txoj cai tswj hwm los ntawm kev xaiv qib siab “Mem.ShareForceSalting” ntawm ESXi:
0 - Inter-VM TPS. TPS ua haujlwm rau nplooj ntawv ntawm VMs sib txawv;
1 - TPS rau VMs nrog tib "sched.mem.pshare.salt" tus nqi hauv VMX;
2 (default) – Intra-VM TPS. TPS ua haujlwm rau nplooj ntawv hauv VM.

Nws twv yuav raug hu ua kev txiav txim siab rau lov tes taw cov nplooj ntawv loj thiab pab cuam Inter-VM TPS ntawm cov rooj zaum xeem. Qhov no kuj tseem siv tau rau sawv ntsug nrog ntau tus VM zoo sib xws. Piv txwv li, ntawm kev sawv nrog VDI, kev txuag hauv lub cev nco tuaj yeem ncav cuag kaum feem pua.

Nco Ballooning. Ballooning tsis yog cov txheej txheem tsis muaj teeb meem thiab pob tshab rau VM kev ua haujlwm raws li TPS. Tab sis yog siv kom raug, koj tuaj yeem nyob thiab ua haujlwm nrog Ballooning.

Ua ke nrog Vmware Cov Cuab Yeej, tus tsav tsheb tshwj xeeb hu ua Balloon Driver (aka vmmemctl) tau nruab rau ntawm VM. Thaum tus hypervisor pib khiav tawm ntawm lub cev nco thiab nkag mus rau hauv lub xeev mos, ESXi nug VM kom rov qab siv RAM tsis siv los ntawm Balloon Tsav Tsheb. Tus tsav tsheb, nyob rau hauv lem, ua hauj lwm nyob rau hauv lub operating system theem thiab thov dawb nco los ntawm nws. Tus neeg saib xyuas pom tias cov nplooj ntawv twg ntawm lub cev nco lub Balloon Driver tau nyob, siv lub cim xeeb los ntawm lub tshuab virtual thiab xa rov qab mus rau tus tswv tsev. Tsis muaj teeb meem nrog kev ua haujlwm ntawm OS, txij li nyob rau qib OS lub cim xeeb yog nyob ntawm Balloon Driver. Los ntawm lub neej ntawd, Balloon Tsav tuaj yeem nqa mus txog 65% ntawm VM nco.

Yog tias VMware Cov Cuab Yeej tsis tau nruab rau ntawm VM lossis Ballooning yog neeg xiam (Kuv tsis pom zoo, tab sis muaj KB:), tus hypervisor tam sim ntawd hloov mus rau cov txheej txheem nruj dua rau kev tshem lub cim xeeb. Xaus: xyuas kom tseeb tias VMware Cov Cuab Yeej nyob ntawm VM.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco
Kev ua haujlwm ntawm Balloon Driver tuaj yeem tshawb xyuas los ntawm OS ntawm VMware Cov Cuab Yeej.

Nco Compression. Cov txheej txheem no yog siv thaum ESXi mus txog lub xeev Hard. Raws li lub npe qhia, ESXi sim ua kom nrawm 4KB nplooj ntawv ntawm RAM rau hauv 2KB, yog li tso qee qhov chaw hauv server lub cev nco. Cov txheej txheem no nce lub sijhawm nkag mus rau cov ntsiab lus ntawm VM RAM nplooj ntawv, txij li nplooj ntawv yuav tsum tau ua ntej decompressed. Qee zaum tsis yog tag nrho cov nplooj ntawv tuaj yeem raug compressed thiab cov txheej txheem nws tus kheej yuav siv sij hawm qee lub sijhawm. Yog li ntawd, cov txheej txheem no tsis zoo heev hauv kev xyaum.

Memory Swapping. Tom qab luv luv Memory Compression theem, ESXi yuav luag inevitably (yog tias VMs tsis tau tsiv mus rau lwm tus tswv lossis tsis raug tua) mus rau Swapping. Thiab yog tias muaj kev nco tsawg heev (Low state), ces tus neeg saib xyuas kuj tseem tso tseg cov nplooj ntawv nco rau VM, uas tuaj yeem ua teeb meem hauv qhua OS ntawm VM.

Qhov no yog li cas Swapping ua haujlwm. Thaum koj qhib lub tshuab virtual, cov ntaub ntawv nrog .vswp txuas ntxiv yog tsim rau nws. Nws yog qhov sib npaug ntawm qhov loj me rau VM's unreserved RAM: qhov no yog qhov txawv ntawm configured thiab reserved nco. Thaum Swapping tab tom khiav, ESXi swaps virtual tshuab nco nplooj ntawv rau hauv cov ntaub ntawv no thiab pib ua hauj lwm nrog nws es tsis txhob ntawm lub server lub cev nco. Tau kawg, xws li "RAM" nco yog ntau qhov kev txiav txim siab qeeb dua li lub cim xeeb tiag tiag, txawm tias .vswp nyob rau hauv ceev ceev.

Tsis zoo li Ballooning, thaum cov nplooj ntawv tsis siv tau raug coj los ntawm VM, nrog Swapping nplooj ntawv uas nquag siv los ntawm OS lossis cov ntawv thov hauv VM tuaj yeem txav mus rau disk. Yog li ntawd, qhov kev ua tau zoo ntawm VM poob mus rau qhov chaw khov. Lub VM ua haujlwm raug cai thiab qhov tsawg kawg nws tuaj yeem raug xiam los ntawm OS. Yog ua siab ntev 😉

Yog tias VMs tau mus rau Swap, qhov no yog qhov xwm txheej ceev uas yuav zam tau zoo tshaj yog tias ua tau.

Basic virtual tshuab nco kev ua tau zoo suav

Yog li peb tau mus rau qhov tseem ceeb. Txhawm rau saib xyuas lub xeev nco ntawm VM, muaj cov txee hauv qab no:

active - qhia txog tus nqi ntawm RAM (KB) uas VM nkag mus rau lub sijhawm ntsuas dhau los.

pab - tib yam li Active, tab sis raws li feem pua ​​​​ntawm cov teeb tsa RAM ntawm VM. Xam siv cov mis hauv qab no: active ÷ virtual tshuab configured memory size.
Kev siv siab thiab nquag, feem, tsis yog ib qho qhia txog VM cov teeb meem kev ua tau zoo. Yog tias VM aggressively siv lub cim xeeb (tsawg kawg nkag mus rau nws), qhov no tsis txhais hais tias tsis muaj lub cim xeeb txaus. Hloov chaw, qhov no yog vim li cas los saib seb muaj dab tsi tshwm sim hauv OS.
Muaj tus qauv tswb rau Kev Siv Memory rau VMs:

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Sib - tus nqi ntawm VM RAM deduplicated siv TPS (hauv VM lossis ntawm VMs).

Tso Cai - tus nqi ntawm tus tswv lub cev nco (KB) uas tau muab faib rau VM. Pab Shared.

Siv (Granted - Shared) - tus nqi ntawm lub cev nco (KB) uas VM siv los ntawm tus tswv tsev. Tsis suav nrog Shared.

Yog tias ib feem ntawm VM nco tsis tau muab los ntawm tus tswv tsev lub cim xeeb, tab sis los ntawm cov ntaub ntawv sib pauv, lossis lub cim xeeb raug coj los ntawm VM los ntawm Balloon Tsav Tsheb, cov nyiaj no tsis suav nrog hauv Kev Pom Zoo thiab Siv.
High Granted thiab Consumed values ​​yog kiag li ib txwm. Lub operating system maj mam siv lub cim xeeb los ntawm hypervisor thiab tsis muab nws rov qab. Thaum lub sij hawm, nyob rau hauv ib tug nquag khiav VM, qhov tseem ceeb ntawm cov txee mus txog tus nqi ntawm configured nco, thiab nyob twj ywm muaj.

Xoom - tus nqi ntawm VM RAM (KB), uas muaj pes tsawg. Xws li kev nco yog suav tias yog pub dawb los ntawm hypervisor thiab tuaj yeem muab rau lwm lub tshuab virtual. Tom qab tus qhua OS tau sau ib yam dab tsi rau xoom nco, nws nkag mus rau hauv Consumed thiab tsis rov qab los.

Reserved Overhead - tus nqi ntawm VM RAM, (KB) tshwj tseg los ntawm tus neeg saib xyuas kev ua haujlwm rau VM. Qhov no yog me me, tab sis nws yuav tsum muaj nyob rau ntawm tus tswv tsev, txwv tsis pub VM yuav tsis pib.

Zais pa - tus nqi ntawm RAM (KB) tshem tawm los ntawm VM siv Balloon Driver.

Txom nyem - tus nqi ntawm RAM (KB) uas tau compressed.

Sib Pauv - tus nqi ntawm RAM (KB), uas, vim tsis muaj lub cim xeeb ntawm lub cev ntawm lub server, tsiv mus rau disk.
Balloon thiab lwm yam kev nco reclamation cov txee yog xoom.

Qhov no yog dab tsi daim duab zoo li nrog lub cim nco ntawm ib txwm ua haujlwm VM nrog 150 GB ntawm RAM.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Hauv daim duab hauv qab no, VM muaj teeb meem pom tseeb. Hauv qab daim duab koj tuaj yeem pom tias rau VM no tag nrho cov txheej txheem piav qhia rau kev ua haujlwm nrog RAM tau siv. Balloon rau VM no loj dua li Consumed. Qhov tseeb, VM tuag ntau dua li ciaj sia.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

ESXTOP

Raws li nrog CPU, yog tias peb xav tau nrawm ntsuas qhov xwm txheej ntawm tus tswv tsev, nrog rau nws qhov muaj zog nrog lub sijhawm ntev txog 2 vib nas this, peb yuav tsum siv ESXTOP.

Lub ESXTOP Memory screen raug hu nrog tus yuam sij "m" thiab zoo li qhov no (thaj chaw B, D, H, J, K, L, O xaiv):

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Cov kev txwv hauv qab no yuav txaus siab rau peb:

Mem overcommit avg - Tus nqi nruab nrab ntawm kev nco oversubscription ntawm tus tswv tsev rau 1, 5 thiab 15 feeb. Yog hais tias nws yog siab tshaj xoom, ces qhov no yog ib qho laj thawj los saib qhov tshwm sim, tab sis tsis yog ib qho qhia txog teeb meem.

Hauv kab PEM/MB и VMKMEM/MB - cov ntaub ntawv hais txog lub cev nco ntawm lub server thiab lub cim xeeb muaj rau VMkernel. Ntawm qhov nthuav ntawm no koj tuaj yeem pom tus nqi minfree (hauv MB), lub xeev tus tswv hauv lub cim xeeb (hauv peb rooj plaub, siab).

Hauv kab NUMA/MB koj tuaj yeem pom qhov faib ntawm RAM hla NUMA nodes (sockets). Hauv qhov piv txwv no, kev faib tawm tsis sib xws, uas nyob rau hauv txoj cai tsis zoo heev.

Cov hauv qab no yog cov kev txheeb xyuas neeg rau zaub mov rau kev nco reclamation:

PSHARE/MB - cov no yog TPS cov txheeb cais;

SWB/MB - Swap siv cov txheeb cais;

ZIP/MB - nco nplooj compression txheeb cais;

MEMCTL/MB - Balloon Driver siv cov txheeb cais.

Rau tus kheej VMs, tej zaum peb yuav txaus siab rau cov ntaub ntawv hauv qab no. Kuv tau zais cov npe ntawm VMs kom tsis txhob cuam tshuam cov neeg tuaj saib :). Yog tias ESXTOP metric zoo ib yam li cov txee hauv vSphere, kuv yuav muab cov txee sib xws.

MEMSZ - tus nqi ntawm lub cim xeeb teeb tsa ntawm VM (MB).
MEMSZ = GRANT + MCTLSZ + SWCUR + untouched.

GRANT - Muab tso rau hauv MB.

TCHD - Ua haujlwm hauv MByte.

MCTL? - seb Balloon Driver tau nruab rau ntawm VM.

MCTLSZ - Balloon rau MB.

MCTLGT - tus nqi ntawm RAM (MBytes) uas ESXi xav tshem tawm ntawm VM los ntawm Balloon Driver (Memctl Target).

MCTLMAX - qhov siab tshaj plaws ntawm RAM (MBytes) uas ESXi tuaj yeem tshem tawm ntawm VM los ntawm Balloon Tsav Tsheb.

SWCUR - Tam sim no tus nqi ntawm RAM (MBytes) faib rau VM los ntawm cov ntaub ntawv Swap.

S.W.G.T. - tus nqi ntawm RAM (MBytes) uas ESXi xav muab rau VM los ntawm Swap file (Swap Target).

Koj tuaj yeem saib cov ntaub ntawv ntxaws ntxiv txog NUMA topology ntawm VM los ntawm ESXTOP. Txhawm rau ua qhov no, xaiv thaj chaw D, G:

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

LUB SIJ HAWM - NUMA nodes uas VM nyob. Ntawm no koj tuaj yeem pom tam sim dav vm, uas tsis haum rau ib qho NUMA ntawm.

NRMEM - Ntau npaum li cas megabytes ntawm lub cim xeeb VM siv los ntawm cov chaw taws teeb NUMA node.

NLMEM - Ntau npaum li cas megabytes ntawm lub cim xeeb VM siv los ntawm NUMA node hauv zos.

N%L - feem pua ​​​​ntawm VM nco ntawm lub zos NUMA node (yog tias tsawg dua 80%, cov teeb meem kev ua haujlwm yuav tshwm sim).

Nco txog tus hypervisor

Yog tias CPU txee rau hypervisor feem ntau tsis muaj kev txaus siab tshwj xeeb, nrog kev nco qhov xwm txheej yog qhov sib txawv. High Memory Usage ntawm VM tsis yog ib txwm qhia txog qhov teeb meem kev ua tau zoo, tab sis Kev Siv Memory siab ntawm lub hypervisor ua rau kev tswj hwm kev nco thiab ua rau muaj teeb meem nrog VM kev ua haujlwm. Koj yuav tsum tau saib xyuas Host Memory Usage alarms thiab tiv thaiv VMs kom nkag mus rau hauv Swap.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Unswap

Yog tias VM raug ntes hauv Swap, nws qhov kev ua tau zoo txo ​​qis heev. Cov kab ntawm Ballooning thiab compression sai sai ploj tom qab dawb RAM tshwm ntawm tus tswv tsev, tab sis lub tshuab virtual tsis maj nrawm rov qab los ntawm Swap mus rau lub server lub RAM.
Ua ntej ESXi 6.0, tib txoj kev txhim khu kev qha thiab ceev kom tshem tawm VM los ntawm Swap yog rov pib dua (ntau dua, tua / tawm ntawm lub thawv). Pib nrog ESXi 6.0, txawm tias tsis yog tag nrho, txoj kev ua haujlwm thiab txhim khu kev qha kom tshem tawm VM los ntawm Swap tau tshwm sim. Ntawm ib lub rooj sib tham, kuv tuaj yeem tham nrog ib tus VMware engineers lub luag haujlwm rau CPU Scheduler. Nws tau lees tias txoj kev ua haujlwm zoo heev thiab muaj kev nyab xeeb. Hauv peb qhov kev paub dhau los, tsis muaj teeb meem nrog nws thiab.

Cov lus txib tiag tiag rau tshem tawm VM los ntawm Swap piav Duncan Epping. Kuv yuav tsis rov hais dua cov lus piav qhia ntxaws, Kuv tsuas yog muab piv txwv ntawm nws siv. Raws li koj tuaj yeem pom hauv lub screenshot, qee lub sijhawm tom qab ua tiav cov lus txib, Swap ntawm VM ploj.

Kev tshuaj xyuas VM kev ua tau zoo hauv VMware vSphere. Ntu 2: Nco

Cov lus qhia rau kev tswj hwm RAM ntawm ESXi

Thaum kawg, ntawm no yog ob peb lub tswv yim uas yuav pab koj kom tsis txhob muaj teeb meem nrog VM kev ua tau zoo vim RAM:

  • Tsis txhob oversubscription ntawm RAM hauv pawg tsim khoom. Nws raug nquahu kom ib txwm muaj ~ 20-30% ntawm lub cim xeeb pub dawb hauv pawg kom DRS (thiab tus thawj coj) muaj chaw rau maneuver thiab VMs tsis mus rau Swap thaum tsiv teb tsaws. Tsis tas li ntawd, tsis txhob hnov ​​​​qab txog cov npoo rau kev ua txhaum cai. Nws tsis kaj siab thaum, thaum ib tus neeg rau zaub mov tsis ua haujlwm thiab VM rov pib siv HA, qee lub tshuab kuj mus rau Swap.
  • Hauv kev sib koom ua ke zoo heev, sim TSIS tsim VMs nrog lub cim xeeb ntau dua li ib nrab ntawm tus tswv tsev nco. Qhov no ntxiv yuav pab tau DRS kom yooj yim faib cov tshuab virtual thoob plaws pawg servers. Txoj cai no, ntawm chav kawm, tsis yog universal :).
  • Ua tib zoo saib rau Host Memory Usage Alarm.
  • Tsis txhob hnov ​​​​qab nruab VMware Cov Cuab Yeej ntawm VM thiab tsis txhob tua Ballooning.
  • Xav txog kev ua kom Inter-VM TPS thiab tsis siv Cov Nplooj Ntawv Loj hauv VDI thiab kuaj ib puag ncig.
  • Yog tias VM tab tom ntsib teeb meem kev ua haujlwm, xyuas seb nws puas siv lub cim xeeb los ntawm cov chaw taws teeb NUMA node.
  • Tshem VMs ntawm Swap kom sai li sai tau! Ntawm lwm yam, yog tias VM nyob hauv Swap, lub kaw lus cia raug kev txom nyem rau qhov laj thawj pom tseeb.

Qhov ntawd yog txhua yam rau kuv txog RAM. Hauv qab no yog cov lus hais txog rau cov uas xav mus tob. Zaj tom ntej no yuav muab rau storaj.

Pab kev sib txuas lushttp://www.yellow-bricks.com/2015/03/02/what-happens-at-which-vsphere-memory-state/
http://www.yellow-bricks.com/2013/06/14/how-does-mem-minfreepct-work-with-vsphere-5-0-and-up/
https://www.vladan.fr/vmware-transparent-page-sharing-tps-explained/
http://www.yellow-bricks.com/2016/06/02/memory-pages-swapped-can-unswap/
https://kb.vmware.com/s/article/1002586
https://www.vladan.fr/what-is-vmware-memory-ballooning/
https://kb.vmware.com/s/article/2080735
https://kb.vmware.com/s/article/2017642
https://labs.vmware.com/vmtj/vmware-esx-memory-resource-management-swap
https://blogs.vmware.com/vsphere/2013/10/understanding-vsphere-active-memory.html
https://www.vmware.com/support/developer/converter-sdk/conv51_apireference/memory_counters.html
https://docs.vmware.com/en/VMware-vSphere/6.5/vsphere-esxi-vcenter-server-65-monitoring-performance-guide.pdf

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