{"id":140411,"date":"2025-08-11T17:12:00","date_gmt":"2025-08-11T15:12:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-redis-8-2"},"modified":"2025-08-11T17:12:00","modified_gmt":"2025-08-11T15:12:01","slug":"vypusk-subd-redis-8-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-subd-redis-8-2","title":{"rendered":"Lan\u00e7amento do SGBD Redis 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o Redis 8.2, um sistema de gerenciamento de banco de dados NoSQL. O Redis oferece funcionalidades para armazenamento de dados no formato chave\/valor, com suporte avan\u00e7ado a formatos de dados estruturados, como listas, hashes e conjuntos, al\u00e9m da capacidade de executar scripts de manipuladores em Lua no lado do servidor. O c\u00f3digo do projeto \u00e9 escrito em C e \u00e9 distribu\u00eddo sob a licen\u00e7a AGPLv3.    <\/p>\n<p>O Redis suporta transa\u00e7\u00f5es que permitem executar um grupo de comandos em um \u00fanico passo, garantindo a consist\u00eancia e a sequ\u00eancia (comandos de outras requisi\u00e7\u00f5es n\u00e3o podem interferir) na execu\u00e7\u00e3o do conjunto de comandos especificado, e em caso de problemas, permitindo reverter as mudan\u00e7as. Todos os dados s\u00e3o totalmente armazenados em mem\u00f3ria. Bibliotecas de cliente est\u00e3o dispon\u00edveis para a maioria das linguagens populares, incluindo Perl, Python, PHP, Java, Ruby e Tcl.     <\/p>\n<p>Para o gerenciamento de dados, s\u00e3o fornecidos comandos como incremento\/decremento, opera\u00e7\u00f5es padr\u00e3o em listas e conjuntos (uni\u00e3o, interse\u00e7\u00e3o), renomea\u00e7\u00e3o de chaves, sele\u00e7\u00f5es m\u00faltiplas e fun\u00e7\u00f5es de ordena\u00e7\u00e3o. Dois modos de armazenamento s\u00e3o suportados: sincroniza\u00e7\u00e3o peri\u00f3dica de dados no disco e manuten\u00e7\u00e3o de um log de altera\u00e7\u00f5es no disco. No segundo caso, \u00e9 garantida a preserva\u00e7\u00e3o completa de todas as altera\u00e7\u00f5es. \u00c9 poss\u00edvel organizar replica\u00e7\u00e3o de dados master-slave em v\u00e1rios <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1778\">servidores<\/a>, executado em modo n\u00e3o bloqueante. Tamb\u00e9m est\u00e1 dispon\u00edvel o modo de troca de mensagens \"publica\u00e7\u00e3o\/assinatura\", onde um canal \u00e9 criado e as mensagens desse canal s\u00e3o distribu\u00eddas para os clientes por assinatura.      <\/p>\n<p>Principais mudan\u00e7as no Redis 8.2:   <\/p>\n<ul>\n<li class=\"l\"> Mais de 70 comandos foram otimizados, agora funcionando mais rapidamente do que no Redis 8.0. Por exemplo, o comando BITCOUNT ficou 35% mais r\u00e1pido, enquanto os comandos para opera\u00e7\u00f5es com listas LINSERT, LREM e LPOS ficaram 25% mais r\u00e1pidos. 17 dos comandos otimizados ficaram mais r\u00e1pidos em pelo menos 5%, e 52 em pelo menos 2%.     <center><img decoding=\"async\" alt=\"Lan\u00e7amento do SGBD Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/ef607d5c12c5d52f1b5377c0f5fd604f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Foram realizadas otimiza\u00e7\u00f5es no c\u00f3digo para processamento de opera\u00e7\u00f5es concorrentes e entrada\/sa\u00edda multithread, permitindo um aumento de 49% no n\u00famero de opera\u00e7\u00f5es processadas por segundo em testes com 8 threads de entrada\/sa\u00edda, com uma distribui\u00e7\u00e3o de carga de 20% para requisi\u00e7\u00f5es de grava\u00e7\u00e3o e 80% para leitura. Em um <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-newyork\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2821\">servidor<\/a> conseguiu-se ultrapassar a marca de 1 milh\u00e3o de opera\u00e7\u00f5es processadas por segundo.    <center><img decoding=\"async\" alt=\"Lan\u00e7amento do SGBD Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/70a2f9f52e4a8758bf5ca2b369022264.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> O m\u00e9todo de armazenamento de dados em formato chave\/valor foi fundamentalmente alterado \u2014 agora, uma estrutura unificada chamada kvobj \u00e9 utilizada para armazenar o nome da chave, um valor curto e o tempo de vida em um \u00fanico bloco de mem\u00f3ria, usando uma \u00fanica refer\u00eancia a essa estrutura nas tabelas hash, em vez de refer\u00eancias separadas para chaves, dados e TTL. Ao armazenar valores de strings curtas, o novo m\u00e9todo reduziu o consumo de mem\u00f3ria em 25-37%.        <center><img decoding=\"async\" alt=\"Lan\u00e7amento do SGBD Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/aa3563aab145549f518fae9f32779a9c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> A otimiza\u00e7\u00e3o do armazenamento de dados no formato JSON levou a uma redu\u00e7\u00e3o de 25-67% no consumo de mem\u00f3ria ao armazenar n\u00fameros inteiros e n\u00fameros de ponto flutuante.\n<li class=\"l\"> No mecanismo Streams, utilizado para processar e armazenar fluxos de mensagens, foram adicionados novos comandos XACKDEL e XDELEX, simplificando o trabalho com fluxos conectados a v\u00e1rios receptores (grupos de consumidores). Os comandos resolvem a quest\u00e3o de remover uma mensagem somente ap\u00f3s sua recep\u00e7\u00e3o ser confirmada por todos os processadores.\n<li class=\"l\"> Na equipe BITOP, destinada \u00e0 execu\u00e7\u00e3o de opera\u00e7\u00f5es de bits, foram adicionados novos operadores l\u00f3gicos DIFF, DIFF1, ANDOR e ONE.\n<li class=\"l\"> Foi adicionado um novo tipo de \u00edndices de vetores SVS-VAMANA, que suporta a compress\u00e3o de vetores.\n<li class=\"l\"> Novas m\u00e9tricas foram adicionadas: carga em rela\u00e7\u00e3o a slots individuais e a distribui\u00e7\u00e3o de tamanhos de chaves para tipos de dados b\u00e1sicos.        <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63709\">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 \u0440\u0435\u043b\u0438\u0437 \u0421\u0423\u0411\u0414 Redis 8.2, \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0435\u0439\u0441\u044f \u043a \u043a\u043b\u0430\u0441\u0441\u0443 NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c. Redis \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \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, \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0441\u043f\u0438\u0441\u043a\u0438, \u0445\u044d\u0448\u0438 \u0438 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a \u0421\u0438 \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 AGPLv3. \u0421\u0423\u0411\u0414 Redis \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":140412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-140411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0421\u0423\u0411\u0414 Redis 8.2, \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0435\u0439\u0441\u044f \u043a \u043a\u043b\u0430\u0441\u0441\u0443 NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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