{"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 graafikesksetest andmebaasidest 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\">Toimus<\/a><\/noindex> avatud avatud andmebaasihalduss\u00fcsteem <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/\">Nebula Graph 1.0.0<\/a><\/noindex>, mis on m\u00f5eldud suure hulga omavahel seotud andmete t\u00f5husaks salvestamiseks graafiku kujul, 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\">levitatakse<\/a><\/noindex> avaldatud Apache 2.0 litsentsi all. Klienditeegid andmebaasihalduss\u00fcsteemile on ette valmistatud Go, Python ja Java keelte jaoks. Andmebaasihalduss\u00fcsteemi arendav idufirma VESoft teatas paar p\u00e4eva tagasi <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/nebula-graph-raises-8-million-dollars-in-series-pre-a-funding\/\">sai<\/a><\/noindex> esimesest investeeringute osast summas 8 miljonit dollarit.<\/p>\n<p>Andmebaasihalduss\u00fcsteemis  <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-architecture-overview\/\">rakendatakse<\/a><\/noindex> on jaotatud arhitektuur ilma ressursside jagamiseta (shared-nothing), mis v\u00f5imaldab iseseisvate ja iseseisvate p\u00e4ringute t\u00f6\u00f6tlemise protsesside graphd ja salvestusprotsesside storaged k\u00e4ivitamist. Andmete edastamise ja graafi meta-informatsiooni halduse 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 graafikesksetest andmebaasidest Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/446a4b199534d9038997d348a3bc52b4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Nebula Graphi p\u00f5hijooned:<\/p>\n<ul>\n<li class=\"l\"> Tagamine <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/access-control-design-code-nebula-graph\/\">turvalisust<\/a><\/noindex> ainult autentitud kasutajatele juurdep\u00e4\u00e4su pakkumise kaudu, kelle \u00f5igusi haldab rollip\u00f5hine juurdep\u00e4\u00e4suhalduss\u00fcsteem (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> erinevat t\u00fc\u00fcpi salvestusmootorite \u00fchendamine. Toetatakse p\u00e4ringute vormimise keele laiendamist uute algoritmidega.\n<li class=\"l\"> Tagamine minimaalsete viivituste juures andmete lugemisel v\u00f5i kirjutamisel ning k\u00f5rge l\u00e4bilaskev\u00f5ime hoidmine. Ajal <noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/t\/nebula-graph-1-0-benchmark-report\/581\">testimise<\/a><\/noindex>  \u00fches s\u00f5lmes graphd ja kolme s\u00f5lmega storaged, 632 GB suuruse andmebaasi puhul, sealhulgas 1.2 miljardi s\u00f5lme ja 8.4 miljardi servaga graafiku viivitused olid paar millisekundit ning l\u00e4bilaskev\u00f5ime ulatus kuni 140 000 p\u00e4ringut 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 graafikesksetest andmebaasidest 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 skaleeritavus.\n<li class=\"l\"> SQL-sarnane p\u00e4ringute keel, piisavalt v\u00f5imas ja lihtne m\u00f5ista. Toetatakse selliseid operatsioone nagu GO (kahe suuna s\u00f5lmede l\u00e4bimine), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (eelneva p\u00e4ringu tulemuse kasutamine). Toetatakse indekseid ja kasutaja m\u00e4\u00e4ratletud muutujad.\n<li class=\"l\"> K\u00f5rge kergesti kergesti kergesti kergesti kasutatav. J\u00f5udlus.\n<li class=\"l\"> Toetatakse andmebaasi oleku l\u00f5ike tegemise snapshotide loomist, et h\u00f5lbustada varukoopiate tegemist.\n<li class=\"l\"> T\u00f6\u00f6stuslikuks kasutuseks valmis (juba kasutatakse ettev\u00f5tete JD, Meituan ja Xiaohongshu infrastruktuuris).\n<li class=\"l\"> Salvestusskeemi muutmise ja andmete v\u00e4rskendamise v\u00f5imalus ilma olemasolevate operatsioonide peatamise v\u00f5i m\u00f5jutamiseta.\n<li class=\"l\"> TTL tugi andmete eluea piiramise jaoks.\n<li class=\"l\"> Halduskommandod salvestuspingete ja seadete haldamiseks.\n<li class=\"l\"> T\u00f6\u00f6de haldamise ja t\u00f6\u00f6de k\u00e4ivitamise kavandamise t\u00f6\u00f6riistad (praegu toetatakse t\u00f6id COMPACT ja FLUSH).\n<li class=\"l\"> Full path ja l\u00fchima tee otsingu toimingud antud tipude vahel.\n<li class=\"l\"> OLAP-liides anal\u00fc\u00fctikaplatvormide integreerimiseks.\n<li class=\"l\"> Utiliitide CSV-failidest v\u00f5i Sparkist andmete importimiseks.\n<li class=\"l\"> M\u00f5\u00f5dikute eksportimise tugi j\u00e4lgimiseks 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 operatsioonide visualiseerimiseks, graafis navigeerimiseks, s\u00e4ilitusskeemide ja andmete laadimise projekteerimiseks.<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 graafikesksetest andmebaasidest 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 5.0.1.1 - 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 name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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