YDB, buɗaɗɗen tushe da aka rarraba bayanan SQL

Ga masu neman brarraba SQL database, talifin da za mu yi magana a kai a yau zai iya ba ku sha’awa, tun da za mu yi magana a kai YDB, wanda shi ne database wanda kwanan nan Yandex ya fitar da lambar tushe.

YDB ya kasance wanda aka tsara tun daga tushe har zuwa martani ga karuwar bukatar sabis na yanar gizo mai mu'amala m. Ƙimar ƙima, ƙaƙƙarfan daidaito, da ingantacciyar ma'amala tsakanin jeri sun kasance masu mahimmanci don nauyin aiki mai kama da OLTP.

An gina YDB ta mutane masu ƙarfi a cikin bayanan bayanai da tsarin rarrabawa, waɗanda suka ƙirƙiri tsarin No-SQL da tsarin Rage Taswira don ɗaya daga cikin manyan injunan bincike na duniya.

A ƙarƙashin lasisin Apache 2.0, YDB yana aiki akan dandamali 86-bit x64 tare da ƙaramin 8 GB na RAM.

"Muna da kwarewa mai yawa da ke tafiyar da tsarin samarwa akan na'urorin x86 64-bit da ke gudana Ubuntu Linux. Mun gano cewa sassauƙan ƙira na YDB yana ba mu damar gina ƙarin ayyuka a kai, gami da layukan dagewa da na'urorin toshewa,” in ji ƙungiyar ci gaban.

"Don dalilai na ci gaba, muna tabbatar da cewa za a iya gina bayanan YDB da aiki akan sabbin nau'ikan MacOS da Microsoft Windows. »

YDB za a iya tura shi a cikin Wuraren Samuwa guda uku. Tarin ya kasance abin karantawa kuma ana iya rubuta shi yayin cikakkiyar gazawar yanki guda. Wurin Samun Samun wuri keɓaɓɓen cibiyar bayanai ko ɓangarensa tare da ƙarancin tazara ta jiki tsakanin nodes da ƙaramin haɗarin gazawa tare da sauran Yankunan Samun damar.

Babban yanki yanki ne da tazarar da ke tsakanin Wuraren Samar da nisan kilomita 500 ko ƙasa da haka. Tarin YDB da aka rarraba a geographically ya ƙunshi nodes da ke cikin Wuraren Samarwa daban-daban a cikin babban yanki na yanki. YDB yana aiwatar da bayanan aiki tare da rubutawa ga kowane Wurin Samun Samun, yana tabbatar da yin aiki mara yankewa idan aka sami gazawar Yankin Samun.

A cikin gungu na yanki da aka rarraba. yana yiwuwa a zaɓi manufar rarraba albarkatun kwamfuta tsakanin cibiyoyin bayanai. Wannan yana ba ku damar buga ma'auni daidai tsakanin ƙaramin lokacin aiki da ƙarancin lokacin raguwa idan cibiyar bayanai ta gaza.

Ba kamar ma'ajin bayanai na al'ada ba, YDB yana iya daidaitawa, ƙyale masu haɓakawa kawai su faɗaɗa gungu tare da ƙididdigewa ko albarkatun ajiya don jure ƙarar kaya. YDB yana da rarrabuwar lissafi da yaduddukan ajiya wanda ke ba da damar ƙididdigewa da albarkatun ajiya don daidaitawa da kansu.

Wuraren samarwa na yanzu suna da nodes sama da 10, suna adana petabytes na bayanai, kuma suna ɗaukar miliyoyin ma'amaloli da aka rarraba a cikin daƙiƙa guda.

Da iya ƙirƙirar saituna masu jurewa kuskure wanda ke ci gaba da aiki lokacin da faifai, nodes, racks, har ma da cibiyoyin bayanai guda ɗaya suka gaza. YDB yana goyan bayan aika aiki tare da maimaitawa a cikin Wuraren Samuwa guda uku yayin da yake kiyaye yanayin gungu a yayin da aka sami gazawar ɗayan yankuna.

Wannan kuma yana da goyon bayan samun damar bayanai ta amfani da tambayoyin duba, ƙira don yin tambayoyin nazari na ad-hoc akan ma'ajin bayanai, wanda aka aiwatar a yanayin karantawa kawai da dawo da rafin grpc.

Bugu da kari, yana goyan bayan saitunan uwar garken da yawa da masu haya. Mai amfani zai iya sarrafa gungu na YDB kuma ya ƙirƙiri bayanan bayanai da yawa waɗanda ke raba wurin ajiya kuma suna da nodes ɗin lissafi daban-daban. Hakanan mai amfani zai iya gudanar da bayanan bayanai marasa uwar garken da yawa waɗanda ke raba tarin albarkatun kwamfuta don amfani da su yadda ya kamata.

YDB ya haɗu da daidaito mai ƙarfi, mu'amalar ACID, manyan tambayoyin aiki, saurin samun bayanai tare da yaren SQL sananne, da tallafin JSON API. Yana aiki tare da duk kayan aikin zamani: ƙima-daraja, alaƙa, JSON.

A ƙarshe, idan kuna sha'awar ƙarin sani game da shi, kuna iya tuntuɓar cikakkun bayanai a cikin bin hanyar haɗi.


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