{"id":86322,"date":"2020-06-24T01:42:23","date_gmt":"2020-06-23T23:42:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph"},"modified":"2020-06-24T01:42:23","modified_gmt":"2020-06-23T23:42:23","slug":"pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph","title":{"rendered":"Prv\u00e9 stabiln\u00e9 vydanie grafovo-orientovanej datab\u00e1zy Nebula Graph","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula\/releases\/tag\/v1.0.0\">Sa uskuto\u010dnilo<\/a><\/noindex> vydanie otvorenej DBMS <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/\">Nebula Graph 1.0.0<\/a><\/noindex>, ur\u010den\u00e9 na efekt\u00edvne ukladanie ve\u013ek\u00fdch s\u00faborov vz\u00e1jomne prepojen\u00fdch d\u00e1t, tvoriacich graf, ktor\u00fd m\u00f4\u017ee zah\u0155\u0148a\u0165 miliardy uzlov a trili\u00f3ny v\u00e4zieb. Projekt je nap\u00edsan\u00fd v jazyku C++ a <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula\">distribuovan\u00fd<\/a><\/noindex> pod licenciou Apache 2.0. Klientske kni\u017enice na pr\u00edstup k DBMS s\u00fa pripraven\u00e9 pre jazyky Go, Python a Java. Rozv\u00edjaj\u00faca sa startupov\u00e1 spolo\u010dnos\u0165 VESoft pred nieko\u013ek\u00fdmi d\u0148ami <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/nebula-graph-raises-8-million-dollars-in-series-pre-a-funding\/\">z\u00edskal<\/a><\/noindex> z\u00edskala prv\u00fa tran\u017eu invest\u00edci\u00ed vo v\u00fd\u0161ke 8 mili\u00f3nov dol\u00e1rov.<\/p>\n<p>V DBMS  <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-architecture-overview\/\">sa pou\u017e\u00edva<\/a><\/noindex> distribuovan\u00e1 architekt\u00fara bez rozdelenia zdrojov (shared-nothing), ktor\u00e1 predpoklad\u00e1 spustenie nez\u00e1visl\u00fdch a samoobslu\u017en\u00fdch procesov spracovania dopytov graphd a procesov ukladania storaged. Orchestr\u00e1ciou presunu d\u00e1t a poskytovan\u00edm meta-inform\u00e1ci\u00ed o grafe sa zaober\u00e1 meta-servis. Na zabezpe\u010denie konzistencie d\u00e1t sa pou\u017e\u00edva protokol zalo\u017een\u00fd na algoritme <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Raft_(computer_science)\">RAFT<\/a><\/noindex>.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/vesoft-inc\/nebula-docs\/master\/images\/Nebula%20Arch.png\"><img decoding=\"async\" alt=\"Prv\u00e9 stabiln\u00e9 vydanie grafovo-orientovanej datab\u00e1zy Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/446a4b199534d9038997d348a3bc52b4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Hlavn\u00e9 vlastnosti Nebula Graph:<\/p>\n<ul>\n<li class=\"l\"> Zabezpe\u010denie <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/access-control-design-code-nebula-graph\/\">bezpe\u010dnos\u0165<\/a><\/noindex> prostredn\u00edctvom poskytovania pr\u00edstupu iba autentifikovan\u00fdm pou\u017e\u00edvate\u013eom, ktor\u00fdch opr\u00e1vnenia s\u00fa ur\u010den\u00e9 prostredn\u00edctvom syst\u00e9mu spr\u00e1vy pr\u00edstupu na z\u00e1klade rol\u00ed (RBAC).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-storage-engine-overview\/\">Mo\u017enos\u0165<\/a><\/noindex> pripojenia r\u00f4znych typov \u00falo\u017en\u00fdch enginov. Podpora roz\u0161\u00edrenia jazyka formulovania dopytov nov\u00fdmi algoritmami.\n<li class=\"l\"> Zabezpe\u010denie minim\u00e1lnych oneskoren\u00ed pri \u010d\u00edtan\u00ed alebo z\u00e1pise d\u00e1t a udr\u017eanie vysokej priepustnosti. Pri <noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/t\/nebula-graph-1-0-benchmark-report\/581\">testovan\u00ed<\/a><\/noindex>  klastri z jedn\u00e9ho uzla graphd a troch uzlov storaged DB s ve\u013ekos\u0165ou 632 GB, vr\u00e1tane grafu s 1,2 miliardy vrcholov a 8,4 miliardy hr\u00e1n, boli oneskorenia na \u00farovni nieko\u013ek\u00fdch milisek\u00fand a priepustnos\u0165 dosiahla a\u017e 140 tis\u00edc dopytov za sekundu.\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/uploads\/default\/original\/1X\/827701da186cb78cfe41577010be0c7624a595c3.png\"><img decoding=\"async\" alt=\"Prv\u00e9 stabiln\u00e9 vydanie grafovo-orientovanej datab\u00e1zy Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/91df2fe585bcbaf85dcc55b33fe3ef31.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Line\u00e1rna \u0161k\u00e1lovate\u013enos\u0165.\n<li class=\"l\"> Jazyk dopytov podobn\u00fd SQL, dostato\u010dne siln\u00fd a jednoduch\u00fd na pochopenie. Podporuj\u00fa sa tak\u00e9 oper\u00e1cie ako GO (dvoj\u00fa\u010delov\u00e9 prech\u00e1dzanie vrcholov grafu), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (pou\u017eitie v\u00fdsledku z predch\u00e1dzaj\u00faceho dopytu). Podporuj\u00fa sa indexy a pou\u017e\u00edvate\u013eom definovan\u00e9 premenn\u00e9.\n<li class=\"l\"> Zabezpe\u010denie vysokej dostupnosti a odolnosti vo\u010di chyb\u00e1m.\n<li class=\"l\"> Podpora vytv\u00e1rania sn\u00edmok so stavom datab\u00e1zy na zjednodu\u0161enie vytv\u00e1rania z\u00e1loh.\n<li class=\"l\"> Pripravenos\u0165 na priemyseln\u00e9 pou\u017eitie (u\u017e sa pou\u017e\u00edva v infra\u0161trukt\u00fare spolo\u010dnost\u00ed JD, Meituan a Xiaohongshu).\n<li class=\"l\"> Mo\u017enos\u0165 zmeny sch\u00e9my ukladania a aktualiz\u00e1cie \u00fadajov bez zastavenia alebo ovplyvnenia vykon\u00e1van\u00fdch oper\u00e1ci\u00ed.\n<li class=\"l\"> Podpora TTL na obmedzenie \u017eivotnosti \u00fadajov.\n<li class=\"l\"> Pr\u00edkazy na spr\u00e1vu nastaven\u00ed a hostite\u013eov \u00falo\u017eiska.\n<li class=\"l\"> N\u00e1stroje na spr\u00e1vu \u00faloh a pl\u00e1novanie spustenia \u00faloh (z pr\u00e1c zatia\u013e podporovan\u00e9 COMPACT a FLUSH).\n<li class=\"l\"> Oper\u00e1cie h\u013eadania celej cesty a najkrat\u0161ej cesty medzi zadan\u00fdmi vrcholmi.\n<li class=\"l\"> OLAP rozhranie pre integr\u00e1ciu s extern\u00fdmi analytick\u00fdmi platformami.\n<li class=\"l\"> N\u00e1stroje na import d\u00e1t z CSV s\u00faborov alebo zo Sparku.\n<li class=\"l\"> Export metrik pre monitorovanie pomocou Prometheus a Grafana.\n<li class=\"l\"> Webov\u00e9 rozhranie<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula-web-docker\">Nebula Graph Studio<\/a><\/noindex> na vizualiz\u00e1ciu oper\u00e1ci\u00ed s grafom, navig\u00e1ciu po grafe, n\u00e1vrh sch\u00e9my ukladania a nahr\u00e1vanie d\u00e1t.<br \/>\n<center><noindex><a rel=\"nofollow\" href=\"https:\/\/user-images.githubusercontent.com\/40747875\/73912446-7d9c4b80-48ef-11ea-8fd2-14af27de8a69.png\"><img decoding=\"async\" alt=\"Prv\u00e9 stabiln\u00e9 vydanie grafovo-orientovanej datab\u00e1zy Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/f27f8b0164940a87410c2ed9b1ebf699.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53222\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0421\u0423\u0411\u0414 Nebula Graph 1.0.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043c\u0435\u0436\u0434\u0443 \u0441\u043e\u0431\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445, \u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0438\u0445 \u0433\u0440\u0430\u0444, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c \u043c\u0438\u043b\u043b\u0438\u0430\u0440\u0434\u044b \u0443\u0437\u043b\u043e\u0432 \u0438 \u0442\u0440\u0438\u043b\u043b\u0438\u043e\u043d\u044b \u0441\u0432\u044f\u0437\u0435\u0439. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u041a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u0421\u0423\u0411\u0414 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u044f\u0437\u044b\u043a\u043e\u0432 Go, Python \u0438 Java. \u0420\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0421\u0423\u0411\u0414 \u0441\u0442\u0430\u0440\u0442\u0430\u043f VESoft [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":86323,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-86322","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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