Video: Dab tsi yog pawg MongoDB?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
38. Ib mongodb pawg yog lo lus feem ntau siv rau sharded pawg hauv mongodb . Lub hom phiaj tseem ceeb ntawm sharded mongodb yog: Scale nyeem thiab sau nrog ntau lub pob. Txhua lub node tsis tuav tag nrho cov ntaub ntawv yog li koj tuaj yeem cais cov ntaub ntawv raws tag nrho cov nodes ntawm shard.
Tom qab ntawd, Sharded pawg yog dab tsi?
Ib MongoDB sharded pawg muaj cov nram qab no Cheebtsam: shard: Txhua shard muaj ib tug subset ntawm cov sharded cov ntaub ntawv. Raws li MongoDB 3.6, shards yuav tsum tau muab xa mus raws li cov txheej txheem replica. mongos: Lub mongos ua raws li cov lus nug router, muab kev sib txuas ntawm cov neeg siv khoom thiab cov sharded pawg.
Tom qab ntawd, lo lus nug yog, MongoDB Atlas pawg yog dab tsi? MongoDB Atlas yog ib tug tag nrho-tswj huab database tsim los ntawm tib neeg uas tsim MongoDB . Atlas ua haujlwm txhua qhov nyuaj ntawm kev xa tawm, tswj, thiab kho koj cov kev xa tawm ntawm huab cua uas koj xaiv (AWS, Azure, thiab GCP). Ua raws li cov txuas hauv qab no kom pib. Tso koj thawj zaug pub dawb pawg.
Ib yam li ntawd, dab tsi yog pawg hauv nws?
1) Hauv computer system, a pawg yog ib pab pawg ntawm cov servers thiab lwm yam kev pabcuam uas ua haujlwm zoo li ib qho system thiab ua kom muaj kev txaus siab thiab, qee zaum, kev sib npaug thiab kev ua haujlwm sib luag. Txhua cov ntaub ntawv khaws cia rau ntawm lub hard disk yuav siv li ib lossis ntau dua pawg ntawm cia.
MongoDB replica yog dab tsi?
A replica teev hauv MongoDB yog ib pawg mongod cov txheej txheem uas tswj cov ntaub ntawv tib yam teeb . Replicas muab redundancy thiab siab muaj, thiab yog lub hauv paus rau tag nrho cov ntau lawm deployments. Ntu no qhia txog rov ua dua hauv MongoDB as well as lub Cheebtsam thiab architecture ntawm replica teev.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?
Ob leeg yog cov ntaub ntawv muaj txiaj ntsig ntawm cov ntaub ntawv tab sis qhov sib txawv ntawm lawv yog cov ntaub ntawv tsis muaj ntaub ntawv yog rawdata. Qhov no txhais tau hais tias nws nyuam qhuav tau sau tab sis tsis txheeb rau hauv ib pawg lossis cov chav kawm. Ntawm qhov tod tes, groupeddata yog cov ntaub ntawv uas tau teeb tsa ua pawg los ntawm cov ntaub ntawv nyoos
Dab tsi yog qhov txawv ntawm cov pab pawg thiab cov pab pawg tawm?
Nyob rau hauv sociology thiab kev puas siab puas ntsws, ib pab pawg neeg yog ib pawg neeg sib raug zoo uas tus neeg puas siab puas ntsws qhia tias yog ib tug tswv cuab. Los ntawm qhov sib txawv, ib pab pawg tawm yog ib pawg neeg sib raug zoo uas ib tus neeg tsis txheeb xyuas
Dab tsi yog qhov txawv ntawm ib pawg kev ruaj ntseg thiab pab pawg faib khoom?
Pawg Kev Ruaj Ntseg-Cov pab pawg siv los tiv thaiv kev nkag mus rau hauv kev siv network los ntawm kev tso cai; lawv kuj tuaj yeem siv los xa email. Distribution Groups-Cov pab pawg uas tsuas yog siv tau los xa email xwb; lawv muaj kev koom tes ruaj khov uas tsis tuaj yeem siv los nkag mus rau cov peev txheej network
Pawg pawg yog dab tsi?
Hom Quorum Modes Quorum Mode Description Node Feem Ntau • Tsuas yog cov nodes hauv pawg muaj kev pov npav • Pawg tswj hwm thaum ntau tshaj ib nrab ntawm cov nodes nyob online Node thiab Disk Feem ntau • Cov nodes hauv pawg thiab cov pov thawj disk muaj pov npav • Pawg yog khaws cia thaum ntau tshaj li ib nrab ntawm cov pov npav online
Lub luag haujlwm ntawm pawg pawg yog dab tsi?
Ua haujlwm nrog Lub Luag Haujlwm hauv Failover Cluster Manager. Txhua lub tshuab virtual muaj ntau tau suav tias yog lub luag haujlwm hauv Failover Clustering terminology. Lub luag haujlwm suav nrog cov khoom tiv thaiv nws tus kheej nrog rau cov txheej txheem siv los ntawm Failover Clustering rau kev teeb tsa thiab lub xeev cov ntaub ntawv hais txog cov khoom tiv thaiv