{"id":104672,"date":"2022-07-19T15:36:50","date_gmt":"2022-07-19T13:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-grafo-orientirovannoj-subd-nebula-graph-3-2"},"modified":"2022-07-19T15:36:50","modified_gmt":"2022-07-19T13:36:50","slug":"vypusk-grafo-orientirovannoj-subd-nebula-graph-3-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-grafo-orientirovannoj-subd-nebula-graph-3-2","title":{"rendered":"Lanzamiento de la base de datos gr\u00e1fica Nebula Graph 3.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la versi\u00f3n 3.2 de la base de datos gr\u00e1fica abierta Nebula Graph, dise\u00f1ada para el almacenamiento eficiente de grandes conjuntos de datos interconectados que forman un gr\u00e1fico que puede contar con miles de millones de nodos y billones de conexiones. El proyecto est\u00e1 escrito en C++ y se distribuye bajo la licencia Apache 2.0. Se han preparado bibliotecas de cliente para acceder a la base de datos en los lenguajes Go, Python y Java.     <\/p>\n<p>La base de datos utiliza una arquitectura distribuida sin compartici\u00f3n de recursos (shared-nothing), lo que implica la ejecuci\u00f3n de procesos de manejo de consultas graphd y procesos de almacenamiento storaged que son independientes y autosuficientes. La orquestaci\u00f3n del movimiento de datos y la provisi\u00f3n de metainformaci\u00f3n sobre el gr\u00e1fico son gestionadas por un servicio meta. Para asegurar la consistencia de los datos, se utiliza un protocolo basado en el algoritmo RAFT.      <\/p>\n<p>Las principales caracter\u00edsticas de Nebula Graph:  <\/p>\n<ul>\n<li class=\"l\"> Garant\u00eda de seguridad al proporcionar acceso \u00fanicamente a usuarios autenticados, cuyas autorizaciones son definidas a trav\u00e9s de un sistema de gesti\u00f3n de acceso basado en roles (RBAC).    <\/li>\n<li class=\"l\"> Posibilidad de conectar diferentes tipos de motores de almacenamiento. Soporte para la extensi\u00f3n del lenguaje de consulta con nuevos algoritmos.    <\/li>\n<li class=\"l\"> Garantizar m\u00ednimas latencias en la lectura o escritura de datos y mantener un alto rendimiento. En las pruebas realizadas en un cl\u00faster de un nodo graphd y tres nodos storaged, con una base de datos de 632 GB que inclu\u00eda un gr\u00e1fico de 1.2 mil millones de v\u00e9rtices y 8.4 mil millones de aristas, las latencias estaban en el rango de unos pocos milisegundos, y el rendimiento alcanz\u00f3 hasta 140,000 consultas por segundo.    <\/li>\n<li class=\"l\"> Escalabilidad lineal.  <\/li>\n<li class=\"l\"> Un lenguaje de consultas similar a SQL, suficientemente potente y f\u00e1cil de entender. Se admiten operaciones como GO (recorrido bidireccional de nodos del gr\u00e1fico), GROUP BY, ORDER BY, LIMIT, UNION, UNION DISTINCT, INTERSECT, MINUS, PIPE (uso del resultado de la consulta anterior). Se admiten \u00edndices y variables definidas por el usuario.    <\/li>\n<li class=\"l\"> Garantizar alta disponibilidad y resistencia a fallos.    <\/li>\n<li class=\"l\"> Soporte para la creaci\u00f3n de instant\u00e1neas del estado de la base de datos para facilitar la creaci\u00f3n de copias de seguridad.  <\/li>\n<li class=\"l\"> Listo para aplicaciones industriales (ya utilizado en la infraestructura de empresas como JD, Meituan y Xiaohongshu).  <\/li>\n<li class=\"l\"> La posibilidad de cambiar el esquema de almacenamiento y actualizaci\u00f3n de datos sin detener ni afectar las operaciones en curso.    <\/li>\n<li class=\"l\"> Soporte para TTL para limitar la vida \u00fatil de los datos.  <\/li>\n<li class=\"l\"> Comandos para gestionar configuraciones y hosts de almacenamiento.  <\/li>\n<li class=\"l\"> Herramientas para gestionar trabajos y programar la ejecuci\u00f3n de tareas (se admiten actualmente COMPACT y FLUSH).  <\/li>\n<li class=\"l\"> Operaciones de b\u00fasqueda de la ruta completa y la m\u00e1s corta entre nodos especificados.  <\/li>\n<li class=\"l\"> Interfaz OLAP para integraci\u00f3n con plataformas de an\u00e1lisis de terceros.  <\/li>\n<li class=\"l\"> Utilidades para importar datos de archivos CSV o de Spark.  <\/li>\n<li class=\"l\"> Exportaci\u00f3n de m\u00e9tricas para monitorizaci\u00f3n utilizando Prometheus y Grafana.    <\/li>\n<li class=\"l\"> Interfaz web Nebula Graph Studio para visualizar operaciones en el gr\u00e1fico, navegar por el gr\u00e1fico, dise\u00f1ar esquemas de almacenamiento y cargar datos.      <\/ul>\n<p>En esta nueva versi\u00f3n:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido soporte para la funci\u00f3n extract() para extraer una subcadena que coincida con una expresi\u00f3n dada.\n<li class=\"l\"> Se han optimizado las configuraciones en el archivo de configuraci\u00f3n.\n<li class=\"l\"> Se han a\u00f1adido reglas de optimizaci\u00f3n para eliminar el operador in\u00fatil AppendVertices y desactivar la aplicaci\u00f3n de filtros en aristas y v\u00e9rtices.\n<li class=\"l\"> Se ha reducido el volumen de datos copiados para la operaci\u00f3n JOIN, as\u00ed como para los operadores Traverse y AppendVertices.\n<li class=\"l\"> Se ha optimizado el rendimiento de SHORTEST PATH y SUBGRAPH.\n<li class=\"l\"> Mejora en la asignaci\u00f3n de memoria (se ha implementado Arena Allocator).      <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57522\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0421\u0423\u0411\u0414 Nebula Graph 3.2, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104672","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0421\u0423\u0411\u0414 Nebula Graph 3.2, \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 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