{"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\/ro\/blog\/news\/pervyj-stabilnyj-vypusk-grafo-orientirovannoj-subd-nebula-graph","title":{"rendered":"Prima versiune stabil\u0103 a bazei de date orientate pe grafuri 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\">A avut loc<\/a><\/noindex> lansarea unei baze de date open-source <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/\">Nebula Graph 1.0.0<\/a><\/noindex>, destinat\u0103 pentru stocarea eficient\u0103 a seturilor mari de date interconectate, form\u00e2nd un grafic care poate con\u021bine miliarde de noduri \u0219i trilioane de leg\u0103turi. Proiectul este scris \u00een C++ \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> sub licen\u021ba Apache 2.0. Bibliotecile client pentru accesarea bazei de date sunt preg\u0103tite pentru limbajele Go, Python \u0219i Java. Startup-ul care dezvolt\u0103 baza de date VESoft a primit acum c\u00e2teva zile <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/nebula-graph-raises-8-million-dollars-in-series-pre-a-funding\/\">a ob\u021binut<\/a><\/noindex> un prim lot de investi\u021bii \u00een valoare de 8 milioane de dolari.<\/p>\n<p>\u00cen baza de date  <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-architecture-overview\/\">folosim<\/a><\/noindex> exist\u0103 o arhitectur\u0103 distribuit\u0103 f\u0103r\u0103 partajarea resurselor (shared-nothing), ceea ce implic\u0103 rularea de procese de procesare a interog\u0103rilor graphd \u0219i procese de stocare storaged independente \u0219i autonome. Orchestrarea transferului de date \u0219i furnizarea de metainforma\u021bii despre grafic sunt gestionate de un serviciu de metadat. Pentru a asigura coeren\u021ba datelor, se folose\u0219te un protocol bazat pe algoritmul <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=\"Prima versiune stabil\u0103 a bazei de date orientate pe grafuri Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/446a4b199534d9038997d348a3bc52b4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Caracteristici principale ale Nebula Graph:<\/p>\n<ul>\n<li class=\"l\"> Asigurarea <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/posts\/access-control-design-code-nebula-graph\/\">siguran\u021bei<\/a><\/noindex> prin furnizarea accesului exclusiv utilizatorilor autentifica\u021bi, a c\u0103ror autoritate este definit\u0103 printr-un sistem de gestionare a accesului pe baz\u0103 de roluri (RBAC).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/nebula-graph.io\/en\/posts\/nebula-graph-storage-engine-overview\/\">Posibilitatea<\/a><\/noindex> conexiuni \u00eentre diferite tipuri de motoare de stocare. Suport pentru extinderea limbajului de interogare cu noi algoritmi.\n<li class=\"l\"> Asigurarea unor \u00eent\u00e2rzieri minime la citirea sau scrierea datelor \u0219i men\u021binerea unei capacit\u0103\u021bi de transfer ridicate. \u00cen <noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/t\/nebula-graph-1-0-benchmark-report\/581\">testare<\/a><\/noindex>  clusterul format dintr-un nod graphd \u0219i trei noduri storaged, baza de date av\u00e2nd o dimensiune de 632 GB, care include un grafic cu 1,2 miliarde de v\u00e2rfuri \u0219i 8,4 miliarde de arce, \u00eent\u00e2rzierile au fost la nivelul a c\u00e2torva milisecunde, iar capacitatea de transfer a ajuns la 140.000 de interog\u0103ri pe secund\u0103.\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/discuss.nebula-graph.io\/uploads\/default\/original\/1X\/827701da186cb78cfe41577010be0c7624a595c3.png\"><img decoding=\"async\" alt=\"Prima versiune stabil\u0103 a bazei de date orientate pe grafuri Nebula Graph\" src=\"\/wp-content\/uploads\/2020\/06\/91df2fe585bcbaf85dcc55b33fe3ef31.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Scalabilitate liniar\u0103.\n<li class=\"l\"> Limbaj de cereri asem\u0103n\u0103tor SQL, suficient de puternic \u0219i u\u0219or de \u00een\u021beles. Sunt acceptate opera\u021bii precum GO (parcurgerea bidirec\u021bional\u0103 a nodurilor graficului), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (utilizarea rezultatului de la cererea anterioar\u0103). Se suport\u0103 indec\u0219i \u0219i variabile definite de utilizator.\n<li class=\"l\"> Asigurarea disponibilit\u0103\u021bii ridicate \u0219i a rezisten\u021bei la defec\u021biuni.\n<li class=\"l\"> Suport pentru crearea de instantanee cu un e\u0219antion al st\u0103rii bazei de date pentru a facilita realizarea copiilor de rezerv\u0103.\n<li class=\"l\"> Preg\u0103tit pentru aplicare industrial\u0103 (deja folosit \u00een infrastructura companiilor JD, Meituan \u0219i Xiaohongshu).\n<li class=\"l\"> Posibilitatea de a schimba schema de stocare \u0219i de a actualiza datele f\u0103r\u0103 oprirea sau influen\u021barea opera\u021biunilor \u00een curs.\n<li class=\"l\"> Suport TTL pentru limitarea duratei de via\u021b\u0103 a datelor.\n<li class=\"l\"> Comenzi pentru gestionarea set\u0103rilor \u0219i gazdelor de stocare.\n<li class=\"l\"> Instrumente pentru gestionarea lucr\u0103rilor \u0219i planificarea desf\u0103\u0219ur\u0103rii acestora (\u00een prezent, sunt acceptate lucr\u0103rile COMPACT \u0219i FLUSH).\n<li class=\"l\"> Opera\u021bii de c\u0103utare a celei mai scurte c\u0103i \u0219i a c\u0103ii complete \u00eentre nodurile date.\n<li class=\"l\"> Interfa\u021b\u0103 OLAP pentru integrarea cu platforme externe de analiz\u0103.\n<li class=\"l\"> Utilitare pentru importul de date din fi\u0219iere CSV sau din Spark.\n<li class=\"l\"> Exportul metricilor pentru monitorizare prin Prometheus \u0219i Grafana.\n<li class=\"l\"> Interfa\u021ba web<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/vesoft-inc\/nebula-web-docker\">Nebula Graph Studio<\/a><\/noindex> pentru vizualizarea opera\u021biunilor cu graficul, navigarea prin grafic, proiectarea schemei de stocare \u0219i \u00eenc\u0103rcarea datelor.<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=\"Prima versiune stabil\u0103 a bazei de date orientate pe grafuri 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>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53222\">opennet.ro<\/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 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" 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