{"id":54637,"date":"2019-12-31T00:00:00","date_gmt":"2019-12-30T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novaya-versiya-subd-arangodb-3-6"},"modified":"2020-02-18T14:02:40","modified_gmt":"2020-02-18T11:02:40","slug":"novaya-versiya-subd-arangodb-3-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-subd-arangodb-3-6","title":{"rendered":"Nova vers\u00e3o do SGBD ArangoDB 3.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/arangodb\/arangodb\/releases\/tag\/v3.6.0\">Publicado<\/a><\/noindex> lan\u00e7amento de um SGBD multifuncional <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arangodb.com\">ArangoDB 3.6<\/a><\/noindex>, oferecendo modelos flex\u00edveis para armazenamento de documentos, grafos e dados em formato chave-valor. O trabalho com o banco de dados \u00e9 realizado por meio de uma linguagem de consulta semelhante ao SQL. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arangodb.com\/aqltutorial\/\">AQL<\/a><\/noindex> ou por meio de extens\u00f5es especiais em JavaScript. Os m\u00e9todos de armazenamento de dados atendem aos requisitos ACID (Atomicidade, Consist\u00eancia, Isolamento, Durabilidade), suportam transa\u00e7\u00f5es e oferecem escalabilidade horizontal e vertical. O gerenciamento do SGBD pode ser feito por meio de uma interface web ou do cliente de console <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arangodb.com\/docs\/3.6\/programs-arangosh.html\">ArangoSH<\/a><\/noindex>. O c\u00f3digo do ArangoDB <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/triAGENS\/ArangoDB\">\u00e9 distribu\u00eddo<\/a><\/noindex> \u00e9 licenciado sob a Apache 2. O projeto foi desenvolvido nas linguagens C e JavaScript.<\/p>\n<p>Principais caracter\u00edsticas do ArangoDB:\n<\/p>\n<ul>\n<li class=\"l\"> A capacidade de operar sem a necessidade de definir um esquema de armazenamento de dados (Schema-free) \u2014 os dados s\u00e3o estruturados na forma de documentos, onde os metadados e as informa\u00e7\u00f5es sobre a estrutura est\u00e3o separadas dos dados do usu\u00e1rio;\n<\/li>\n<li class=\"l\"> Suporte para uso do ArangoDB como servidor para aplica\u00e7\u00f5es web em JavaScript com acesso ao banco de dados via REST\/Web API;\n<\/li>\n<li class=\"l\"> Uso de JavaScript para aplica\u00e7\u00f5es de navegador que acessam o banco de dados e para manipuladores executados no lado do SGBD;\n<\/li>\n<li class=\"l\"> Arquitetura multithread que distribui a carga entre todos os n\u00facleos da CPU;\n<\/li>\n<li class=\"l\"> Modelo flex\u00edvel de armazenamento de dados, onde pares chave-valor, documentos e par\u00e2metros que definem rela\u00e7\u00f5es entre registros podem ser combinados (s\u00e3o fornecidos recursos para percorrer v\u00e9rtices de grafos);\n<li class=\"l\"> Diferentes modelos de representa\u00e7\u00e3o de dados (documentos, grafos e pares chave-valor) podem ser misturados em uma \u00fanica consulta, facilitando a agrega\u00e7\u00e3o de dados heterog\u00eaneos;\n<li class=\"l\"> Suporte a consultas com jun\u00e7\u00f5es (JOIN);\n<\/li>\n<li class=\"l\"> Possibilidade de escolher o tipo de \u00edndice que se adequa \u00e0s tarefas em quest\u00e3o (por exemplo, pode-se usar um \u00edndice para busca de texto completo);\n<\/li>\n<li class=\"l\"> Confiabilidade personalizada: a aplica\u00e7\u00e3o pode determinar o que \u00e9 mais importante para ela: maior confiabilidade ou maior desempenho;\n<\/li>\n<li class=\"l\"> Armazenamento eficiente que tira proveito dos recursos de hardware modernos (por exemplo, SSDs) e pode utilizar caches grandes;\n<\/li>\n<li class=\"l\"> Transa\u00e7\u00f5es: possibilidade de executar consultas simultaneamente para v\u00e1rios documentos ou cole\u00e7\u00f5es com consist\u00eancia e isolamento de transa\u00e7\u00f5es opcionais;\n<\/li>\n<li class=\"l\"> Suporte \u00e0 replica\u00e7\u00e3o e sharding: possibilidade de criar configura\u00e7\u00f5es master-slave e distribuir conjuntos de dados em diferentes servidores com base em um crit\u00e9rio espec\u00edfico;\n<li class=\"l\"> Um framework JavaScript \u00e9 fornecido para a cria\u00e7\u00e3o de microsservi\u00e7os <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arangodb.com\/foxx\">Foxx<\/a><\/noindex>, executado dentro do servidor de SGBD com acesso direto aos dados.\n<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.arangodb.com\/docs\/devel\/release-notes-new-features36.html\">Mudan\u00e7as<\/a><\/noindex>, oferecidas na vers\u00e3o ArangoDB 3.6:<\/p>\n<ul>\n<li class=\"l\"> A performance de subconsultas, bem como opera\u00e7\u00f5es UPDATE e REPLACE, foi otimizada;\n<li class=\"l\"> Foi implementada a execu\u00e7\u00e3o paralela de consultas AQL, o que reduz o tempo de coleta de dados distribu\u00eddos em diferentes n\u00f3s do cluster;\n<li class=\"l\"> Foi implementada a materializa\u00e7\u00e3o atrasada de documentos, permitindo em algumas situa\u00e7\u00f5es eliminar a necessidade de extra\u00e7\u00e3o completa de documentos irrelevantes;\n<li class=\"l\"> Durante a varredura de documentos, foi garantida a elimina\u00e7\u00e3o precoce de documentos que n\u00e3o atendem ao filtro especificado;\n<li class=\"l\"> O mecanismo de busca de texto completo ArangoSearch foi melhorado, suportando a classifica\u00e7\u00e3o com base na similaridade dos dados. Adicionada a funcionalidade de analisador para autocompletar consultas, implementadas as fun\u00e7\u00f5es TOKENS() e PHRASE() para forma\u00e7\u00e3o din\u00e2mica de consultas de pesquisa;\n<li class=\"l\"> Adicionada a configura\u00e7\u00e3o maxRuntime para limitar seletivamente o tempo de execu\u00e7\u00e3o da consulta;\n<li class=\"l\"> Foi adicionada a op\u00e7\u00e3o \u00ab\u2014query.optimizer-rules\u00bb para gerenciar a ativa\u00e7\u00e3o de certas otimiza\u00e7\u00f5es durante o processamento de consultas;\n<li class=\"l\"> As capacidades para organizar o funcionamento do cluster foram ampliadas. Foi adicionada a op\u00e7\u00e3o \u00ab\u2014cluster.upgrade\u00bb para selecionar o modo de atualiza\u00e7\u00e3o dos n\u00f3s no cluster;\n<li class=\"l\"> Suporte adicionado ao TLS 1.3 para criptografar a comunica\u00e7\u00e3o entre cliente e servidor (por padr\u00e3o, o cliente continua a usar TLS 1.2).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52119\">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 \u043c\u043d\u043e\u0433\u043e\u0446\u0435\u043b\u0435\u0432\u043e\u0439 \u0421\u0423\u0411\u0414 ArangoDB 3.6, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0433\u0438\u0431\u043a\u0438\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432, \u0433\u0440\u0430\u0444\u043e\u0432 \u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0420\u0430\u0431\u043e\u0442\u0430 \u0441 \u0431\u0430\u0437\u043e\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 SQL-\u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 AQL \u0438\u043b\u0438 \u0447\u0435\u0440\u0435\u0437 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript. \u041c\u0435\u0442\u043e\u0434\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c ACID (\u0430\u0442\u043e\u043c\u0430\u0440\u043d\u043e\u0441\u0442\u044c, \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u043d\u043e\u0441\u0442\u044c, \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0441\u0442\u044c, \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c), \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u043a\u0430\u043a \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u0443\u044e, \u0442\u0430\u043a \u0438 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0443\u044e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0441\u0442\u044c. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0421\u0423\u0411\u0414 [&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-54637","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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 \u043c\u043d\u043e\u0433\u043e\u0446\u0435\u043b\u0435\u0432\u043e\u0439 \u0421\u0423\u0411\u0414 ArangoDB.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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