Chinyakare dhatabhesi dzinochengeta dhata pane rakaomarara dhorobha, kunyanya paSolid-State-Disk (SSD). Mukupesana, mune izvo zveMemcached, iyo data inoramba iri mundangariro kuitira kuti iwanikwe mukati me microseconds , iyo inobvisa kunonoka kunokonzerwa nekunonoka kwakabatana nekubvunzana kwedata. Kunyangwe zvichikwanisika kuchengetedza dhata kwenguva yakareba, dhata zhinji rinodzimwa otomatiki mushure menguva yakati rebei.mps. Izvi zvinokonzerwa nenyaya yekuti Memcached iri cache chaiyo
, uye kwete dhatabhesi mune yakasarudzika pfungwa yetemu. Iyo isinganyanyo shandiswa dhata saka inobviswa nekukasira kana pasisina imwe nzvimbo yezvinhu zvitsva. Asi chirongwa chekunyoresa chinonyatsoshanda sei? Kubatana kunotanga kusimbiswa nevhavha uchishandisa TCP uye Ip protocols. Kana mushandisi achida kuona imwe data, Memcached inotarisa kuti iyo data iri mune cache. Zvikasadaro, iyo data rinodiwa rinotorwa kubva mundangariro huru. Mutengi anobva awedzera kukosha kwakakosha kune data rakanangana kana iyi data inoiswa serial neiyo raibhurari yechirongwa. Uchishandisa hash algorithm , mutengi anobva asarudza sevha iyo iyo data inochengetwa se semaitiro akateedzana. Heano mashanu makuru mapoinzi anoratidzira Memcached: dhata rinongopfuudzwa kuseva; maseva haagovane dhata neumwe neumwe;
maseva anonyorera ku RAM chete; -
- Ndezvipi zvakanaka nezvakaipa zveMemcached?
Zvinodiwa - uye ne
kuomarara kwechikumbiro chinoenderana - . Iyi yenguva pfupi ndangariro sisitimu inonyanya kukoshesa pamashandisirwo ewebhu ane traffic yakawanda nenzvimbo dzinowana yakawanda data. Kunze kwezvakanaka zvaro zvakawanda, zvinouyawo nezvakaipira zvishoma. Heino mhedziso yezvakanaka nezvayakaipira:
-
Kubatsira Kukanganisika
` > Dhizaini yakaverengeka yakawanda inobvumidza kutwasuka kwesimba rekomputa > | | Yakagadziriswa yakavhurika sosi mhinduro ine yakavhurika dura rechitoro |
Kureba kwekiyi yekukosha kunogumira pamakumi maviri nemaviri mavara (1 MB) | Inopa kubata kuri nyore uye kusanduka mukuvandudza kwekushandisa | Kushaikwa kwenzvimbo dzekuchengetedza dzinoda kuwedzerwa firewalls |
| Inotsigira yakavhurika mafomati edata uye Akajairika vatengi uye mitauro yekuronga | Kwete redonsaka hapana chengetedzo pakukundikana ne redundancy kana backup data |
| | Ndezvipi zviitiko zvinorangarirwa zvichishandiswa? |
| | Makuratidzirwo ezviyero zvinosanganisira caching uye dhata rekutemera data | . Kana zvasvika pakuchengetera zvinhu, zvakachengetedzwa kwenguva pfupi semafaira, data uye mifananidzo zvinoitwa kuti zviwanikwe munguva yekurekodha. Izvi zvinovandudza mashandiro echinokanganisa application uye zvinobvumidza yakaderera mutengo scalability kana mutoro ukawedzera. Vagadziri zvakare vanoshandisa In-Yekuchengeta manejimendi data senge maprofiles emushandisi kana Internet-chikamu chikamu chechimiro. Nekudaro, izvi zvinofungidzira kuti kushingirira kwedhata haisi nzira yakakosha. Muzviitiko zvakawanda, Memcached imhinduro yakanaka kana maficha achida kukwirisa caching uyechikero chakakura. hapana mubvunzo kukurumidza kwayo, scalability uye nenyaya yekuti inotsigira ese maAPI nemitauro yese inozivikanwa. Izvi zvinosanganisira Ruby, Java, JavaScript, Python, Go, PHP, C, C ++, C # uye Node.js. Kune rimwe divi, kumisikidza pane Windows kana Unix inoshanda sisitimu haina kunyanya kuomarara. Danga Interactive's Daemon Memcached inowanikwa se
yemahara kurodha pasi . Kunze kwepakakodzera musunguri wepaki, iwe unozodawo | raibhurari raibhurari iyo inobvumidza iyo hrone kuzivisa yezviitiko Zvichienderana nemutauro wechirongwa unoshandiswa, uchave nemikana yekumisikidza yakasarudzika yemutengi uye sevha mushure mekumisikidzwa. > kwemakore mazhinji. Kutenda izvo, pamhepo unogona kuwana ruzivo rwakadzama rwekushandisa, manejimendi, uye nekunetsa matambudziko emaAPI akasiyana nemahurongwa anoshanda. | |
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