{"id":2175,"date":"2016-02-24T04:28:35","date_gmt":"2016-02-24T04:28:35","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=2175"},"modified":"2025-10-09T07:16:56","modified_gmt":"2025-10-09T14:16:56","slug":"introducing-couchbase-server-4-5-developer-preview","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/introducing-couchbase-server-4-5-developer-preview\/","title":{"rendered":"Apresentando o Couchbase Server 4.5 Developer Preview"},"content":{"rendered":"<p dir=\"ltr\" style=\"line-height: 1.7999999999999998;margin-top: 0pt;margin-bottom: 0pt\"><b><span style=\"font-size: 14.666666666666666px;font-family: Arial;color: #3a3b3c;background-color: transparent;font-weight: 400;font-style: normal;font-variant: normal;text-decoration: none;vertical-align: baseline\">Hoje, estamos muito animados para abrir a cortina e anunciar <\/span><a style=\"text-decoration: none\" href=\"https:\/\/www.couchbase.com\/blog\/pt\/nosql-databases\/downloads\/\"><span style=\"font-size: 14.666666666666666px;font-family: Arial;color: #1155cc;background-color: transparent;font-weight: 400;font-style: normal;font-variant: normal;text-decoration: underline;vertical-align: baseline\">Visualiza\u00e7\u00e3o para desenvolvedores do Couchbase Server 4.5<\/span><\/a><span style=\"font-size: 14.666666666666666px;font-family: Arial;color: #3a3b3c;background-color: transparent;font-weight: 400;font-style: normal;font-variant: normal;text-decoration: none;vertical-align: baseline\"> (DP). <\/span><span style=\"font-size: 14.666666666666666px;font-family: Arial;color: #000000;background-color: transparent;font-weight: 400;font-style: normal;font-variant: normal;text-decoration: none;vertical-align: baseline\">\u00a0<\/span><span style=\"font-size: 14.666666666666666px;font-family: Arial;color: #3a3b3c;background-color: transparent;font-weight: 400;font-style: normal;font-variant: normal;text-decoration: none;vertical-align: baseline\">Esta vers\u00e3o \u00e9 um marco inicial para desenvolvedores que vem com muitos recursos interessantes para consultas mais eficientes, acesso avan\u00e7ado a dados, indexa\u00e7\u00e3o avan\u00e7ada e administra\u00e7\u00e3o mais abrangente. <\/span><\/b><\/p>\n<h2>Ent\u00e3o, o que h\u00e1 de novo no 4.5 Developer Preview?<\/h2>\n<p>Vamos dar uma olhada em uma breve vis\u00e3o geral do que h\u00e1 de novo nesses bits rec\u00e9m-lan\u00e7ados -<\/p>\n<h3>Workbench de consulta<\/h3>\n<p><em>Voc\u00ea sonha em escrever consultas e navegar pelos seus dados no console da Web de administra\u00e7\u00e3o do Couchbase?<\/em> No 4.5 DP, o banco de trabalho de consulta permite que os desenvolvedores e administradores executem consultas ad-hoc diretamente do console da Web do administrador e interajam com o sistema. Voc\u00ea tamb\u00e9m pode procurar modelos de dados com esquemas inferidos automaticamente. Saiba mais sobre o editor de consultas integrado <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/query-workbench.html\">aqui<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/original-assets\/2016\/february\/introducing-couchbase-server-4.5-developer-preview\/image-1.png\" width=\"75%\" height=\"75%\" align=\"middle\" \/><\/p>\n<h3>Sintaxe de uni\u00e3o estendida<\/h3>\n<p><em>Voc\u00ea precisa escrever JOINs comutativamente?\u00a0<\/em>Com a sintaxe de uni\u00e3o estendida no Couchbase 4.5 DP, a nova palavra-chave JOIN ON KEY ... FOR permite que os desenvolvedores especifiquem opera\u00e7\u00f5es JOIN que podem usar o espa\u00e7o de chave esquerdo ou direito para o JOIN. Essa sintaxe estendida no N1QL faz melhor uso dos \u00edndices para executar a opera\u00e7\u00e3o JOIN mais rapidamente nos dois lados e reduz substancialmente as lat\u00eancias do JOIN. Saiba mais sobre a sintaxe de jun\u00e7\u00e3o estendida <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/flexible-join-n1ql.html\">aqui<\/a>.<\/p>\n<p>Considere o seguinte exemplo de N1QL sobre dados de amostras de cerveja:<\/p>\n<pre>SELECT * FROM `beer-sample` beer JOIN `beer-sample` brewery ON KEYS beer.brewery_id WHERE beer.type=\"beer\" AND brewery.type=\"brewery\" AND brewery.state=\"California\";<\/pre>\n<p>Essa consulta n\u00e3o pode usar nenhum \u00edndice sobre cervejarias para acessar diretamente as cervejarias da Calif\u00f3rnia porque \"brewery\" est\u00e1 no RHS.<\/p>\n<p>Agora, se um novo \u00edndice for criado no atributo brewery_id, como:<\/p>\n<pre>CREATE INDEX beer_brewery_id ON `beer-sample`(brewery_id) WHERE type=\"beer\";<\/pre>\n<p>Usando as novas uni\u00f5es de \u00edndices, a mesma consulta pode ser escrita como :<\/p>\n<pre>SELECT * FROM `beer-sample` brewery JOIN `beer-sample` beer ON KEY beer.brewery_id FOR brewery WHERE beer.type=\"beer\" AND brewery.type=\"brewery\" AND brewery.state=\"California\";\r\n<\/pre>\n<h3><strong>Pesquisa integrada de texto completo<\/strong><\/h3>\n<p><em>Seu aplicativo precisa pesquisar dados armazenados no Couchbase?\u00a0<\/em>A pesquisa \u00e9 uma tecnologia fundamental quando se trata de pesquisar documentos que cont\u00eam informa\u00e7\u00f5es de texto em linguagem humana. O Couchbase Server 4.5 DP inclui uma pr\u00e9via da pesquisa de texto completo, totalmente integrada como um servi\u00e7o do Couchbase pela primeira vez. Criado com base no popular projeto de c\u00f3digo aberto Bleve, o Couchbase Full Text Search oferece suporte a v\u00e1rios tipos de consulta, incluindo correspond\u00eancia, frase, fuzzy, prefixo, regex, consultas de intervalo e muito mais, al\u00e9m de faceting, pontua\u00e7\u00e3o e destaque. Voc\u00ea pode saber mais sobre a pesquisa de texto completo integrada no Couchbase Server <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/full-text-intro.html\">aqui<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/original-assets\/2016\/february\/introducing-couchbase-server-4.5-developer-preview\/image-2.png\" width=\"75%\" height=\"75%\" \/><\/p>\n<h3><strong>Atualiza\u00e7\u00f5es parciais, leituras e muito mais<\/strong><\/h3>\n<p><em>Deseja atualizar seletivamente apenas uma parte de um documento JSON em seu aplicativo?\u00a0<\/em>Com o 4.5 DP, os desenvolvedores agora t\u00eam APIs estendidas para operar apenas em partes do documento sem precisar enviar o documento inteiro entre o cliente e o servidor. O resultado: melhor desempenho e efici\u00eancia no caminho de E\/S da rede, especialmente ao trabalhar com documentos grandes. Consulte nossa documenta\u00e7\u00e3o para obter mais detalhes sobre atualiza\u00e7\u00f5es parciais de documentos \u00a0<a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/sub-doc-api.html\">aqui<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/original-assets\/2016\/february\/introducing-couchbase-server-4.5-developer-preview\/image-3.png\" width=\"75%\" height=\"75%\" \/><\/p>\n<h3><strong>\u00cdndices globais otimizados para mem\u00f3ria<\/strong><\/h3>\n<p><em>Voc\u00ea precisa de \u00edndices mais r\u00e1pidos?\u00a0<\/em>O Couchbase 4.5 DP apresenta os \u00edndices globais na mem\u00f3ria, uma nova op\u00e7\u00e3o de armazenamento otimizado para a mem\u00f3ria que fornece indexa\u00e7\u00e3o muito mais r\u00e1pida ao executar a manuten\u00e7\u00e3o do \u00edndice completamente na mem\u00f3ria. Essa nova op\u00e7\u00e3o para \u00edndices globais complementa a op\u00e7\u00e3o de armazenamento regular que est\u00e1 dispon\u00edvel desde o Couchbase Server 4.0. Os \u00edndices otimizados para mem\u00f3ria fornecem um \u00edndice novo que est\u00e1 atualizado mesmo sob taxas de muta\u00e7\u00e3o agressivas. Em compara\u00e7\u00e3o com a op\u00e7\u00e3o anterior de armazenamento de \u00edndice global, ele pode processar muta\u00e7\u00f5es (opera\u00e7\u00f5es INSERT\/UPDATE\/DELETE) em um ritmo muito mais r\u00e1pido e fornecer consultas com lat\u00eancia muito menor. Voc\u00ea pode saber mais sobre os \u00edndices globais otimizados para mem\u00f3ria <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/in-memory-indexes.html\">aqui<\/a>.<\/p>\n<h3><strong>Indexa\u00e7\u00e3o de matrizes<\/strong><\/h3>\n<p><em>Voc\u00ea tem documentos com matrizes incorporadas?\u00a0<\/em>O NoSQL oferece aos desenvolvedores flexibilidade para experimentar novas formas de modelagem de dados, e os desenvolvedores geralmente incorporam matrizes em seus documentos. Embora o N1QL (SQL for JSON) ofere\u00e7a suporte ao processamento de matrizes em consultas, agora \u00e9 poss\u00edvel criar um \u00edndice de elementos de matrizes, desde valores escalares simples at\u00e9 matrizes complexas ou objetos JSON aninhados mais profundamente na matriz, e melhorar ainda mais o desempenho da consulta N1QL. Isso representa um grande salto em rela\u00e7\u00e3o \u00e0s vers\u00f5es anteriores, em que os \u00edndices secund\u00e1rios s\u00f3 podiam ser criados e, posteriormente, consultados em matrizes inteiras. Voc\u00ea pode saber mais sobre a indexa\u00e7\u00e3o de array no Couchbase 4.5 DP \u00a0<a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/indexing-arrays.html\">aqui<\/a>.<\/p>\n<pre>CREATE INDEX isched \r\nON `travel-sample` ( DISTINCT ARRAY v.day FOR v IN schedule END ) \r\nWHERE type = \"route\";<\/pre>\n<pre>SELECT count(*) \r\nFROM `travel-sample` \r\nWHERE type = \"route\" \r\nAND ANY v IN schedule SATISFIES v.day = 3 END;<\/pre>\n<h3>Monitoramento e cria\u00e7\u00e3o de perfil de consulta<\/h3>\n<p><em>Deseja saber quais s\u00e3o as N principais consultas lentas do sistema?\u00a0<\/em>O Couchbase Server 4.5 DP apresenta um novo conjunto de cat\u00e1logos de sistema e APIs para monitorar a opera\u00e7\u00e3o de consultas individuais e n\u00f3s de servi\u00e7o de consulta. Usando essas APIs, os administradores agora podem monitorar consultas e conex\u00f5es ativas, bem como criar perfis de consultas para identificar e diagnosticar problemas de desempenho. Saiba mais sobre a cria\u00e7\u00e3o e o monitoramento de perfis de consultas <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/query-monitoring.html\">aqui<\/a>.<\/p>\n<pre>SELECT * FROM system:active_requests;\r\nSELECT * FROM system:completed_requests;\r\nSELECT * FROM system:prepareds;<\/pre>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\"><span style=\"font-size: 16px;font-family: Arial;color: #000000;background-color: transparent;font-weight: bold;font-style: normal;font-variant: normal;text-decoration: none;vertical-align: baseline\">Backup e restaura\u00e7\u00e3o de n\u00edvel empresarial<\/span><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\"><em>Deseja fazer backup e restaurar grandes conjuntos de dados com rapidez?\u00a0<\/em>O Couchbase Server 4.5 oferece uma nova ferramenta de backup e restaura\u00e7\u00e3o empresarial que pode fazer backup de conjuntos de dados maiores com desempenho significativamente maior do que antes. A nova ferramenta de backup e restaura\u00e7\u00e3o, dimension\u00e1vel e de alto desempenho, permite que o Couchbase Server ofere\u00e7a op\u00e7\u00f5es de recupera\u00e7\u00e3o mais r\u00e1pidas e dimension\u00e1veis para se integrar melhor ao planejamento de recupera\u00e7\u00e3o de desastres. Saiba mais sobre a ferramenta de backup e restaura\u00e7\u00e3o de n\u00edvel empresarial <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/enterprise-backup-restore.html\">aqui<\/a>.<\/p>\n<h3>Certificados X.509<\/h3>\n<p><em>Voc\u00ea precisa proteger suas comunica\u00e7\u00f5es cliente-servidor e entre datacenters?\u00a0<\/em>Com os certificados X.509, o Couchbase Server criptografa fortemente as comunica\u00e7\u00f5es cliente-servidor e a replica\u00e7\u00e3o entre datacenters. Voc\u00ea pode gerar e carregar certificados de qualquer autoridade CA que escolher e usar esses certificados no Couchbase para criptografar a comunica\u00e7\u00e3o on-the-wire e estabelecer uma forte confian\u00e7a entre cliente e servidor ou entre clusters. Saiba mais sobre os certificados X.509 no Couchbase <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/security-x509.html\">aqui<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/original-assets\/2016\/february\/introducing-couchbase-server-4.5-developer-preview\/image-4.png\" width=\"75%\" height=\"75%\" \/><\/p>\n<h3>Outros aprimoramentos<\/h3>\n<p>E isso n\u00e3o \u00e9 tudo. O Couchbase Server 4.5 DP tamb\u00e9m adicionou v\u00e1rios outros aprimoramentos. Alguns dos mais not\u00e1veis na vers\u00e3o de visualiza\u00e7\u00e3o para desenvolvedores s\u00e3o:<\/p>\n<ol>\n<li>Suporte para a plataforma Debian 8<\/li>\n<li>Aprimoramentos do N1QL, como a fun\u00e7\u00e3o de inser\u00e7\u00e3o de matriz, fun\u00e7\u00f5es de adi\u00e7\u00e3o, coloca\u00e7\u00e3o e remo\u00e7\u00e3o de objetos e muito mais. Consulte Outros aprimoramentos do N1QL para obter detalhes.<\/li>\n<li>Administra\u00e7\u00e3o simplificada para grandes n\u00fameros de n\u00f3s (&gt;100 clusters de n\u00f3s).<\/li>\n<\/ol>\n<h2>Ent\u00e3o, como fa\u00e7o para colocar minhas m\u00e3os no 4.5 DP?<\/h2>\n<p>Lembre-se disso antes de mergulhar de cabe\u00e7a: Esta \u00e9 uma vers\u00e3o Developer Preview do Couchbase Server 4.5 e destina-se apenas a fins de desenvolvimento. Esta vers\u00e3o n\u00e3o \u00e9 compat\u00edvel com a produ\u00e7\u00e3o. Consideramos que as vers\u00f5es Developer Preview t\u00eam algumas arestas e bugs. O Couchbase Server 4.5 ainda est\u00e1 em desenvolvimento ativo, o que significa que poder\u00e1 sofrer altera\u00e7\u00f5es significativas antes do lan\u00e7amento final da vers\u00e3o GA.<\/p>\n<p>D\u00ea-nos um feedback sobre sua experi\u00eancia e n\u00f3s o ouviremos. Fornecer feedback \u00e9 simples! Voc\u00ea pode encontrar todas as maneiras de fazer com que sua voz seja ouvida aqui: <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/forums\/\">https:\/\/www.couchbase.com\/forums\/<\/a> ou <a href=\"https:\/\/stackoverflow.com\/questions\/tagged\/couchbase\">Stackoverflow<\/a>.<\/p>\n<p>H\u00e1 muitas maneiras de saber mais sobre a mais nova vers\u00e3o de visualiza\u00e7\u00e3o para desenvolvedores do Couchbase -<\/p>\n<ul>\n<li>Se quiser come\u00e7ar imediatamente, voc\u00ea pode fazer o download da visualiza\u00e7\u00e3o para desenvolvedores em nosso <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/nosql-databases\/downloads\/\">p\u00e1gina de downloads<\/a>.<\/li>\n<li>Se voc\u00ea \u00e9 f\u00e3 do docker, pode at\u00e9 mesmo ativar o Couchbase 4.5 DP em um cont\u00eainer do docker a partir de <a href=\"https:\/\/hub.docker.com\/r\/couchbase\/server\/builds\/\">hub de docas<\/a>.<\/li>\n<li>Confira nosso <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/whats-new.html\">documenta\u00e7\u00e3o<\/a> para a vers\u00e3o de visualiza\u00e7\u00e3o do desenvolvedor.<\/li>\n<li>Confira o <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5-dp\/relnotes.html\">Notas de vers\u00e3o<\/a>.<\/li>\n<li>Se voc\u00ea deseja desenvolver em Java, .NET, Node.js ou outras linguagens com SDKs nativos, fa\u00e7a o download da vers\u00e3o mais recente dos SDKs na se\u00e7\u00e3o \"bibliotecas de clientes\" do <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/nosql-databases\/downloads\/\">p\u00e1gina de downloads<\/a>.<\/li>\n<\/ul>\n<p>Visite nossa p\u00e1gina do Couchbase Server 4.5 DP para obter mais detalhes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Today, we\u2019re very excited to pull back the curtain and announce Couchbase Server 4.5 Developer Preview (DP). \u00a0This release is an early developer milestone that comes with many exciting features for more efficient querying, advanced data access, powerful indexing and [&hellip;]<\/p>","protected":false},"author":4,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1816],"tags":[],"ppma_author":[8972],"class_list":["post-2175","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-server"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introducing Couchbase Server 4.5 Developer Preview<\/title>\n<meta name=\"description\" content=\"Check out what&#039;s new in the Couchbase Server 4.5 Developer preview. 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