Video: ETCD quorum yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Ib lwm pawg xav tau ib feem ntawm cov nodes, a pawg , pom zoo rau kev hloov tshiab rau lub xeev pawg. Rau ib pawg nrog n cov tswv cuab, pawg yog (n/2)+1. Rau ib qho khib nyiab loj, ntxiv ib qho ntawm ib txwm yuav nce tus naj npawb ntawm cov nodes tsim nyog rau pawg.
Hauv qhov no, ETCD sawv cev rau dab tsi?
lwm is ib qho qhib qhov chaw faib khoom tseem ceeb tsim los ntawm pab pawg CoreOS, tam sim no tswj hwm los ntawm Cloud Native Computing Foundation. Nws yog pronounced "et-cee-dee", ua kev xa mus rau kev faib tawm Unix "/etc" directory, qhov twg cov ntaub ntawv teeb tsa thoob ntiaj teb feem ntau nyob, hla ntau lub tshuab.
Tsis tas li ntawd, OpenShift ETCD yog dab tsi? Cov OpenShift tus tswv: OpenShift muab REST qhov kawg rau kev cuam tshuam nrog lub kaw lus. Ib lwm server: OpenShift siv lwm khaws cia system configuration thiab xeev. Controllers: Controllers yog cov khoom siv uas khiav nrog cov tswv uas ua kom cov kev khiav hauj lwm sib npaug rau lub xeev xav tau raws li khaws cia hauv lwm.
Ib tug kuj yuav nug, ETCD siv rau dab tsi?
Lwm yam yog qhov qhib-qhov chaw faib khoom tseem ceeb-tus nqi uas ua haujlwm raws li lub hauv paus ntawm cov kab ke faib los ntawm kev muab lub chaw canonical rau kev sib koom ua ke thiab kev tswj hwm lub xeev - lub hauv paus ntawm qhov tseeb.
ETCD yog dab tsi hauv Kubernetes?
lwm yog ib lub khw muag khoom tseem ceeb. Qhov tseeb, lwm yog thawj datastore ntawm Kubernetes ; khaws cia thiab rov ua dua txhua yam Kubernetes pawg xeev. Raws li ib feem tseem ceeb ntawm a Kubernetes pawg muaj kev txhim khu kev qha automated mus kom ze rau nws configuration thiab kev tswj yog qhov tseem ceeb.
Pom zoo:
Dab tsi yog bureaucracy thiab nws cov haujlwm yog dab tsi?
Cov haujlwm ntawm Tsoom Fwv Teb Chaws Bureaucracy. Tsoom fwv teb chaws bureaucracy ua peb lub luag haujlwm tseem ceeb hauv tsoomfwv: kev siv, kev tswj hwm, thiab kev tswj hwm. Kev ua haujlwm niaj hnub ntawm bureaucracy - sau nqi, muab ntawv tso cai, muab xeem, thiab ntxiv rau - yog kev tswj hwm ntawm nws lub hom phiaj
Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Cov no yog rau lub tshuab yooj yim: cov nplais, lub log thiab lub qag, qib, lub dav hlau inclined, ntsia hlau, thiab lub log
Kev tswj hwm kev paub yog dab tsi nws lub hom phiaj yog dab tsi?
Lub hom phiaj ntawm kev tswj hwm kev paub yog muab cov ntaub ntawv txhim khu kev qha thiab ruaj ntseg, nrog rau ua kom muaj thoob plaws hauv koj lub koom haum lub neej. Muaj peb lub hom phiaj tseem ceeb ntawm KM thiab lawv yog: Ua kom lub koom haum ua haujlwm zoo dua. Xyuas kom txhua tus neeg ua haujlwm muaj kev nkag siab meej thiab sib koom ua ke
CAM cov nroj tsuag yog dab tsi thiab lawv qhov zoo dua yog dab tsi?
Crassulacean Acid Metabolism (CAM) muaj qhov zoo ntawm qhov tseem ceeb tshem tawm evapotranspiration los ntawm cov nroj tsuag stomata (dej poob los ntawm kev sib pauv roj) thaum nruab hnub, tso cai rau CAM cov nroj tsuag kom muaj sia nyob hauv cov huab cua tsis zoo uas dej poob yog qhov tseem ceeb txwv rau kev loj hlob ntawm cov nroj tsuag
ETCD database yog dab tsi?
Etcd yog ib qho zoo sib xws, faib cov khoom tseem ceeb uas muab txoj hauv kev txhim khu kev qha los khaws cov ntaub ntawv uas yuav tsum tau nkag los ntawm kev faib tawm lossis pawg ntawm cov tshuab. Nws gracefully tuav cov thawj coj xaiv tsa thaum lub sij hawm sib faib network thiab tuaj yeem zam lub tshuab tsis ua haujlwm, txawm tias nyob hauv tus thawj coj ntawm qhov