Video: Cov kua roj vanish puas yog tus neeg sawv cev rov qab?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Varnish yog ib qhov chaw khaws HTTP rov qab npe . Nws tau txais kev thov los ntawm cov neeg siv khoom thiab sim teb lawv los ntawm cache. Yog Varnish tsis tuaj yeem teb qhov kev thov los ntawm lub cache nws yuav xa cov lus thov mus rau lub backend, nqa cov lus teb, khaws cia rau hauv cache thiab xa mus rau tus neeg siv khoom.
Tsis tas li ntawd, qhov thim rov qab HTTP npe yog dab tsi?
A rov qab npe yog ib tug neeg rau zaub mov uas zaum nyob rau hauv pem hauv ntej ntawm lub web servers thiab forwards tus neeg siv (xws li web browser) thov rau cov web servers. Rov qab proxies feem ntau yog siv los pab kom muaj kev ruaj ntseg, kev ua tau zoo, thiab kev ntseeg tau.
HTTP rov qab yog dab tsi? Rov qab yog ib qho kev sim raws tu qauv uas siv qhov zoo ntawm cov HTTP /1.1 Hloov kho: header tig ib HTTP lub qhov (socket) ncig. Hauv qab no yog ib qho piv txwv transcript siv Rov qab . Cov kab ntawm sab laug yog kev khiav tsheb los ntawm tus neeg siv khoom mus rau lub server. Cov kab ntawm sab xis yog kev khiav tsheb los ntawm lub server mus rau tus neeg siv khoom.
Kuj Paub, yog Varnish Cache dawb?
Varnish Cache yog qhov qhib qhov project sau rau hauv C. Qhov tseeb tias nws yog qhov qhib txhais tau tias cov cai tseem muaj nyob hauv online thiab siv Varnish yog dawb tus nqi.
Varnish Cache ua haujlwm li cas?
Varnish ua haujlwm los ntawm kev tuav cov lus thov ua ntej lawv ua rau koj qhov backend; seb koj lub backend yog Apache, nginx, lossis lwm lub vev xaib server. Yog tsis muaj lus thov cached , nws yuav xa daim ntawv thov mus rau koj lub backend thiab tom qab ntawd cache nws cov zis.
Pom zoo:
Dab tsi yog cov kua roj vanish server?
Varnish Cache yog lub web application accelerator tseem hu ua caching HTTP thim rov qab npe. Koj nruab nws rau pem hauv ntej ntawm txhua tus neeg rau zaub mov uas hais HTTP thiab teeb tsa nws kom cache cov ntsiab lus. Varnish Cache yog tiag tiag, ceev ceev. Nws feem ntau nrawm xa khoom nrog qhov zoo ntawm 300 - 1000x, nyob ntawm koj qhov architecture
Puas txhais tau tias yog kev sib raug zoo ntawm cov khoom ntawm ib yam khoom thiab lub peev xwm ntawm tus neeg sawv cev uas muab cov lus qhia rau kev siv cov khoom?
Kev them nyiaj yog kev sib raug zoo ntawm cov khoom ntawm ib yam khoom thiab lub peev xwm ntawm tus neeg sawv cev uas txiav txim siab seb qhov khoom siv tau li cas
Kuv yuav tham nrog tus neeg sawv cev pabcuam cov neeg siv khoom ntawm USPS li cas?
Hu rau Lub Chaw Pabcuam Cov Neeg Siv Khoom ntawm 877-569-6614 lossis email [email protected]. Hu rau PostalOne! CustomerCare Center ntawm (800) 522-9085 [email protected]
Tus neeg teb xov tooj sib piv twg yog siv los sib piv tus nqi rau txhua tus nqi xa rov qab los ntawm subquery?
TAG NRHO tus neeg teb xov tooj yog siv los xaiv tag nrho cov tuples ntawm SELECT STATEMENT. Nws kuj yog siv los sib piv tus nqi rau txhua tus nqi hauv lwm tus nqi los yog tshwm sim los ntawm ib qho lus nug. TAG NRHO tus neeg teb xov tooj rov qab TRUE yog tias tag nrho cov lus nug tseem ceeb ua tau raws li qhov xwm txheej
Cov kua roj vanish khaws cia nyob qhov twg?
Varnish Cache khaws cov ntsiab lus hauv pluggable modules hu ua cia backends. Nws ua qhov no los ntawm nws tus kheej stevedore interface