Video: Yuav ua li cas databases scaled?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv ib database ntiaj teb kab rov tav- kev ntsuas feem ntau yog raws li kev faib tawm ntawm cov ntaub ntawv piv txwv li txhua lub node tsuas muaj ib feem ntawm cov ntaub ntawv, hauv ntsug- kev ntsuas cov ntaub ntawv nyob ntawm ib qho ntawm thiab kev ntsuas yog ua tiav los ntawm ntau cov tub ntxhais xws li kev nthuav dav ntawm cov khoom siv ntawm CPU thiab RAM ntawm lub tshuab ntawd.
Ib sab ntawm qhov no, kuv yuav ntsuas lub SQL database li cas?
nyeem ntawv load kev ntsuas , SQL databases feem ntau tuaj yeem nplai los ntawm kev tig mus rau qhov kev teeb tsa thawj-secondary, qhov twg tag nrho cov ntawv sau mus rau ib qho tseem ceeb ntawm cov ntawv nyeem thiab cov ntawv nyeem tuaj yeem ua haujlwm los ntawm ib qho chaw thib ob. Yog li, los ntawm kev ntxiv cov nodes theem nrab, koj tuaj yeem ua kom cov kev nyeem tau nce mus ntxiv database muaj peev xwm tuav tau.
Qhov thib ob, cov ntaub ntawv sib raug zoo puas yooj yim los ntsuas? Relational databases yog vertically scalable, tab sis feem ntau kim. Txij li thaum lawv xav tau ib lub server los tuav tag nrho database , in order nplai , koj yuav tsum yuav lub server loj dua, kim dua.
Ib yam li ntawd, nws yog nug, dab tsi yog qhov feem ntau scalable database?
NoSQL databases feem ntau ua raws li BASE qauv es tsis txhob ACID qauv. Lawv muab A, C thiab / lossis D cov cai, thiab rov qab los lawv txhim kho scalability . Qee tus, zoo li Cassandra, cia koj xaiv rau hauv ACID qhov kev lees paub thaum koj xav tau. Txawm li cas los xij, tsis yog tag nrho NoSQL databases muaj ntau scalable txhua lub sijhawm.
Dab tsi yog vertically scalable database?
Vertical Scaling Txoj hauv kev no suav nrog kev ntxiv cov khoom siv lub cev lossis virtual rau hauv qab server hosting database - Ntau CPU, ntau lub cim xeeb lossis ntau qhov chaw cia. Yeej, koj xav tau lub nkoj loj dua. Qhov no yog ib txwm mus kom ze, thiab zoo nkauj npaum li txhua txhua database tuaj yeem ntsuas tau.
Pom zoo:
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