{"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\/sv\/blog\/news\/pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph","title":{"rendered":"F\u00f6rsta stabila utg\u00e5van av graforienterad databashanterare 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\">H\u00e4ndelse genomf\u00f6rd<\/a><\/noindex> release av \u00f6ppen databas <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/\">Nebula Graph 1.0.0<\/a><\/noindex>, avsedd f\u00f6r effektiv lagring av stora m\u00e4ngder relaterad data som bildar en graf som kan best\u00e5 av miljarder noder och biljoner kopplingar. Projektet \u00e4r skrivet i C++ och <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula\">sprids<\/a><\/noindex> licensierad under Apache 2.0. Klientbiblioteken f\u00f6r att interagera med databasen \u00e4r f\u00f6rberedda f\u00f6r spr\u00e5k som Go, Python och Java. Det v\u00e4xande databassstartupf\u00f6retaget VESoft fick f\u00f6r n\u00e5gra dagar sedan <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/nebula-graph-raises-8-million-dollars-in-series-pre-a-funding\/\">bidrag<\/a><\/noindex> den f\u00f6rsta omg\u00e5ngen investeringar p\u00e5 8 miljoner dollar.<\/p>\n<p>Databasen  <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-architecture-overview\/\">anv\u00e4nder<\/a><\/noindex> har en distribuerad arkitektur utan resursdelning (shared-nothing), vilket inneb\u00e4r att oberoende och sj\u00e4lvf\u00f6rs\u00f6rjande processer f\u00f6r att bearbeta f\u00f6rfr\u00e5gningar (graphd) och lagra data (storaged) kan k\u00f6ras. Orkestreringen av datar\u00f6relser och tillhandah\u00e5llandet av metadata om grafen hanteras av en metatj\u00e4nst. F\u00f6r att s\u00e4kerst\u00e4lla datakonsistens anv\u00e4nds en protokoll baserat p\u00e5 algoritmen <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=\"F\u00f6rsta stabila utg\u00e5van av graforienterad databashanterare Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/446a4b199534d9038997d348a3bc52b4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Huvudfunktioner i Nebula Graph:<\/p>\n<ul>\n<li class=\"l\"> Att s\u00e4kerst\u00e4lla <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/access-control-design-code-nebula-graph\/\">s\u00e4kerhet<\/a><\/noindex> genom att ge \u00e5tkomst endast till autentiserade anv\u00e4ndare, vars beh\u00f6righeter definieras genom ett rollbaserat \u00e5tkomstkontrollsystem (RBAC).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-storage-engine-overview\/\">M\u00f6jlighet<\/a><\/noindex> att ansluta olika typer av lagringsmotorer. St\u00f6d f\u00f6r att ut\u00f6ka fr\u00e5gespr\u00e5k med nya algoritmer.\n<li class=\"l\"> Att s\u00e4kerst\u00e4lla minimala f\u00f6rdr\u00f6jningar vid l\u00e4sning eller skrivning av data och uppr\u00e4tth\u00e5lla h\u00f6g bandbredd. Vid <noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/t\/nebula-graph-1-0-benchmark-report\/581\">testning<\/a><\/noindex>  en kluster med en nod av graphd och tre noder av storaged d\u00e4r databasen \u00e4r 632 GB stor, inklusive en graf med 1,2 miljarder noder och 8,4 miljarder kanter, var f\u00f6rdr\u00f6jningarna p\u00e5 niv\u00e5n av n\u00e5gra millisekunder och bandbredden n\u00e5dde upp till 140 000 f\u00f6rfr\u00e5gningar per sekund.\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/uploads\/default\/original\/1X\/827701da186cb78cfe41577010be0c7624a595c3.png\"><img decoding=\"async\" alt=\"F\u00f6rsta stabila utg\u00e5van av graforienterad databashanterare Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/91df2fe585bcbaf85dcc55b33fe3ef31.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Imponerande linj\u00e4r skalbarhet.\n<li class=\"l\"> SQL-liknande fr\u00e5gespr\u00e5k som \u00e4r tillr\u00e4ckligt kraftfullt och l\u00e4tt att f\u00f6rst\u00e5. St\u00f6der operationer som GO (tv\u00e5v\u00e4gs traversering av grafens noder), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (anv\u00e4ndning av resultatet fr\u00e5n f\u00f6reg\u00e5ende fr\u00e5ga). Index och anv\u00e4ndardefinierade variabler st\u00f6ds.\n<li class=\"l\"> S\u00e4kerst\u00e4llande av h\u00f6g tillg\u00e4nglighet och motst\u00e5ndskraft mot fel.\n<li class=\"l\"> St\u00f6d f\u00f6r att skapa snapshots av databasens tillst\u00e5nd f\u00f6r att underl\u00e4tta s\u00e4kerhetskopiering.\n<li class=\"l\"> Redo f\u00f6r industriell anv\u00e4ndning (redan i bruk i infrastrukturen hos f\u00f6retag som JD, Meituan och Xiaohongshu).\n<li class=\"l\"> M\u00f6jlighet att \u00e4ndra lagringsschemat och uppdatera data utan att stoppa eller p\u00e5verka p\u00e5g\u00e5ende operationer.\n<li class=\"l\"> TTL-st\u00f6d f\u00f6r att begr\u00e4nsa livsl\u00e4ngden p\u00e5 data.\n<li class=\"l\"> Kommandon f\u00f6r att hantera lagringsinst\u00e4llningar och v\u00e4rdar.\n<li class=\"l\"> Verktyg f\u00f6r att hantera jobb och schemal\u00e4ggning av jobb (f\u00f6r tillf\u00e4llet st\u00f6ds JOBB-TYPERNA COMPACT och FLUSH).\n<li class=\"l\"> Operationer f\u00f6r att s\u00f6ka efter den fullst\u00e4ndiga v\u00e4gen och kortaste v\u00e4gen mellan angivna noder.\n<li class=\"l\"> OLAP-gr\u00e4nssnitt f\u00f6r integration med tredjepartsanalysplattformar.\n<li class=\"l\"> Verktyg f\u00f6r att importera data fr\u00e5n CSV-filer eller fr\u00e5n Spark.\n<li class=\"l\"> Exportera m\u00e4tv\u00e4rden f\u00f6r \u00f6vervakning med hj\u00e4lp av Prometheus och Grafana.\n<li class=\"l\"> Webbgr\u00e4nssnitt<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula-web-docker\">Nebula Graph Studio<\/a><\/noindex> f\u00f6r visualisering av operationer med grafen, navigering i grafen, design av lagringsschema och dataladdning.<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=\"F\u00f6rsta stabila utg\u00e5van av graforienterad databashanterare 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>K\u00e4lla: <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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