{"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\/et\/blog\/news\/pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph","title":{"rendered":"Esimene stabiilne v\u00e4ljaanne graafip\u00f5hisest andmebaasi s\u00fcsteemist 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\">On toimunud<\/a><\/noindex> avatud andmete haldamise s\u00fcsteemi <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/\">Nebula Graph 1.0.0<\/a><\/noindex>, mis on loodud suurte omavahel seotud andmekogumite t\u00f5husaks salvestamiseks, luues graafi, mis v\u00f5ib sisaldada miljardeid s\u00f5lmi ja triljoneid seoseid. Projekt on kirjutatud C++ keeles ja <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula\">GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> levitatakse Apache 2.0 litsentsi alusel. Klientide raamatukogud andmebaasile p\u00e4\u00e4semiseks on ette valmistatud Go, Python ja Java keeltes. Andmebaasi arendav idufirma VESoft <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/nebula-graph-raises-8-million-dollars-in-series-pre-a-funding\/\">sai<\/a><\/noindex> saavutas hiljuti 8 miljoni dollari suuruse esmast investeerimistingimuse.<\/p>\n<p>Andmebaasis  <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-architecture-overview\/\">kasutatud<\/a><\/noindex> on jaotatud arhitektuur ilma ressursside jagamiseta (shared-nothing), mis eeldab iseseisvate ja isefunktsioneerivate p\u00e4ringute t\u00f6\u00f6tlemise protsesside graphd ja salvestamise protsesside storaged k\u00e4ivitamist. Andmete liikumise orkestreerimise ja graafi meta-informatsiooni pakkumise eest vastutab meta-teenus. Andmete j\u00e4rjepidevuse tagamiseks kasutatakse protokolli, mis p\u00f5hineb algoritmil <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=\"Esimene stabiilne v\u00e4ljaanne graafip\u00f5hisest andmebaasi s\u00fcsteemist Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/446a4b199534d9038997d348a3bc52b4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Nebula Graph peamised omadused:<\/p>\n<ul>\n<li class=\"l\"> Tagab <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/access-control-design-code-nebula-graph\/\">turvalisusele<\/a><\/noindex> ainult autentitud kasutajatele juurdep\u00e4\u00e4su andmine, kelle \u00f5igused m\u00e4\u00e4ratakse rollide p\u00f5hise juurdep\u00e4\u00e4su haldamise s\u00fcsteemi kaudu (RBAC).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-storage-engine-overview\/\">V\u00f5imalus<\/a><\/noindex> erinevate salvestusmotorite \u00fchendamine. K\u00fcsimuste keele laiendamise tugi uute algoritmidega.\n<li class=\"l\"> Tagab minimaalset viivitust andmete lugemisel v\u00f5i kirjutamisel ja k\u00f5rge l\u00e4bilaskev\u00f5ime s\u00e4ilitamise. Kui <noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/t\/nebula-graph-1-0-benchmark-report\/581\">testimise<\/a><\/noindex>  grafiteenuse (graphd) ja kolme salvestusele (storaged) s\u00f5lmega klaster, mille andmebaasi suurus on 632 GB, sisaldades 1,2 miljardit s\u00f5lme ja 8,4 miljardit \u00e4\u00e4rt, olid viivitused mitu millisekundit ja l\u00e4bilaskev\u00f5ime ulatus kuni 140 000 p\u00e4ringuni sekundis.\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/uploads\/default\/original\/1X\/827701da186cb78cfe41577010be0c7624a595c3.png\"><img decoding=\"async\" alt=\"Esimene stabiilne v\u00e4ljaanne graafip\u00f5hisest andmebaasi s\u00fcsteemist Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/91df2fe585bcbaf85dcc55b33fe3ef31.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Lineaarne skaaleeritavus.\n<li class=\"l\"> SQL-sarnane p\u00e4ringute keel, piisavalt v\u00f5imas ja arusaadav. Toetatakse selliseid operatsioone nagu GO (kahe suuna graafipunktide l\u00e4bimine), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (eelneva p\u00e4ringu tulemuse kasutamine). Toetatakse indekseid ja kasutaja m\u00e4\u00e4ratud muutujaid.\n<li class=\"l\"> Tagab k\u00f5rge k\u00e4ttesaadavuse ja t\u00f5rke suhtes vastupidavuse.\n<li class=\"l\"> Toetab andmebaasi olekuk\u00e4kkide loomist varukoopia loomise lihtsustamiseks.\n<li class=\"l\"> T\u00f6\u00f6stuslikuks kasutamiseks valmis (juba kasutatakse ettev\u00f5tetes nagu JD, Meituan ja Xiaohongshu).\n<li class=\"l\"> Andmete salvestus- ja uuendusskeemide muutmise v\u00f5imalus ilma operatsioonide peatamise v\u00f5i m\u00f5jutamiseta.\n<li class=\"l\"> TTL-i toetus andmete eluea piiramiseks.\n<li class=\"l\"> K\u00e4sud salvestussete ja hostide seadete haldamiseks.\n<li class=\"l\"> T\u00f6\u00f6de haldamise ja k\u00e4ivitamisplaani t\u00f6\u00f6riistad (hetkel toetatakse COMPACT ja FLUSH t\u00f6\u00f6de jaoks).\n<li class=\"l\"> T\u00e4ispika tee ja l\u00fchima tee m\u00e4\u00e4ramise toimingud antud tippude vahel.\n<li class=\"l\"> OLAP-liides, et integreerida kolmandate osapoolte anal\u00fc\u00fcsiplatformidega.\n<li class=\"l\"> Kasutusvahendid andmete importimiseks CSV-failidest v\u00f5i Sparkist.\n<li class=\"l\"> Metrika eksport monitorimiseks Prometheuse ja Grafana abil.\n<li class=\"l\"> Veebiliides<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula-web-docker\">Nebula Graph Studio<\/a><\/noindex> graafiga tehingute visualiseerimiseks, graafis navigeerimiseks, salvestusskeemi projekteerimiseks ja andmete laadimiseks.<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=\"Esimene stabiilne v\u00e4ljaanne graafip\u00f5hisest andmebaasi s\u00fcsteemist 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>Allikas: <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 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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