ETCD quorum yog dab tsi?
ETCD quorum yog dab tsi?

Video: ETCD quorum yog dab tsi?

Video: ETCD quorum yog dab tsi?
Video: Hmong new song 2016 - Yog dab tsi - Xub Hluav Taws (Official MV) 2024, Kaum ib hlis
Anonim

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.

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