{"id":135788,"date":"2025-06-04T09:05:06","date_gmt":"2025-06-04T07:05:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sravnenie-proizvoditelnosti-subd-valkey-i-redis"},"modified":"2025-06-04T09:05:06","modified_gmt":"2025-06-04T07:05:08","slug":"sravnenie-proizvoditelnosti-subd-valkey-i-redis","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/sravnenie-proizvoditelnosti-subd-valkey-i-redis","title":{"rendered":"Compara\u00e7\u00e3o de desempenho entre os bancos de dados Valkey e Redis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Os resultados dos testes das vers\u00f5es mais recentes dos SGBDs Redis 8.0 e Valkey 8.1 foram apresentados, com declara\u00e7\u00f5es de otimiza\u00e7\u00f5es significativas no desempenho. Em todos os testes realizados, o fork desenvolvido pela comunidade superou o projeto original, principalmente devido \u00e0 implementa\u00e7\u00e3o no Valkey de um novo mecanismo para processamento ass\u00edncrono de entrada\/sa\u00edda multitarefa, que foi fornecido ao projeto pela Amazon.    <\/p>\n<p>No ambiente de teste AWS Graviton4 c8g.2xlarge com 8 VCPU, o Valkey 8.1.1 conseguiu alcan\u00e7ar um desempenho de 999,8 mil solicita\u00e7\u00f5es SET por segundo, enquanto no Redis 8.0 foi atingido um n\u00edvel de 729,4 mil solicita\u00e7\u00f5es por segundo. Em geral, a taxa de transfer\u00eancia do Valkey foi 37% superior \u00e0 do Redis para opera\u00e7\u00f5es SET e 16% superior para opera\u00e7\u00f5es GET. Al\u00e9m disso, em compara\u00e7\u00e3o ao Redis, o projeto Valkey demonstrou uma redu\u00e7\u00e3o nas lat\u00eancias no processamento de solicita\u00e7\u00f5es em 30% para opera\u00e7\u00f5es SET e em 60% para opera\u00e7\u00f5es GET.    <center><img decoding=\"async\" alt=\"Compara\u00e7\u00e3o de desempenho entre os bancos de dados Valkey e Redis\" src=\"\/wp-content\/uploads\/2025\/06\/512bd8dc9f4e4cc2562b59db68823b07.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Foi realizada uma an\u00e1lise separada da altera\u00e7\u00e3o da largura de banda e lat\u00eancias com base no n\u00famero de processadores paralelamente executados em modo de multithreading de entrada\/sa\u00edda. At\u00e9 3 threads, Valkey e Redis apresentam resultados aproximadamente iguais, mas depois Valkey se destaca. Com 6 threads em um sistema com 8 VCPU, o desempenho do Valkey alcan\u00e7ou 678 mil requisi\u00e7\u00f5es SET por segundo, enquanto o Redis ficou em 563 mil requisi\u00e7\u00f5es por segundo, com um limite de 256 conex\u00f5es simult\u00e2neas. Ao aumentar as conex\u00f5es para 400, o desempenho do Valkey subiu para 832 mil requisi\u00e7\u00f5es SET por segundo.    <center><img decoding=\"async\" alt=\"Compara\u00e7\u00e3o de desempenho entre os bancos de dados Valkey e Redis\" src=\"\/wp-content\/uploads\/2025\/06\/b81d26ec066d0af829859a11236ae2a6.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Ap\u00f3s otimiza\u00e7\u00e3o do tratamento de interrup\u00e7\u00f5es no sistema para reduzir o n\u00famero de trocas de contexto, o Valkey conseguiu aumentar o desempenho para 999,8 mil requisi\u00e7\u00f5es SET por segundo. O foco da otimiza\u00e7\u00e3o foi alocar 2 VCPUs para o tratamento de interrup\u00e7\u00f5es e vincular os 6 VCPUs restantes aos threads de manipula\u00e7\u00e3o de entrada\/sa\u00edda do Valkey e Redis, para evitar a migra\u00e7\u00e3o de processadores entre os CPUs. sudo ethtool -L ens34 combined 2 # limita o n\u00famero de manipuladores IRQ para 2 grep ens34 \/proc\/interrupts # verifica quais manipuladores est\u00e3o envolvidos (99 e 100) echo 1 | sudo tee \/proc\/irq\/99\/smp_affinity # vincula o manipulador 99 ao n\u00facleo 1 echo 2 | sudo tee \/proc\/irq\/100\/smp_affinity # vincula o manipulador 100 ao n\u00facleo 2 # Inicia o SGBD (para Redis, altere valkey\/valkey:8.1.1 para redis:8.0) vinculando o cont\u00eainer aos n\u00facleos de CPU 2-7 docker run --network='host' --rm \\ --cpuset-cpus='2-7' valkey\/valkey:8.1.1 \\ --save ' ' --appendonly no --io-threads 6 \\ --protected-mode no --maxmemory 10gb        <\/p>\n<p>Para testar o desempenho, foi utilizado o comando: docker run --network='host' --rm --cpuset-cpus='2-7' \\ valkey\/valkey:8.0.1 valkey-benchmark \\ -h 172.31.4.92 -p 6379 -t SET,GET -n 100000000 -c 256 \\ -r 3000000 --threads 6 -d 1024<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63335\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0432\u0435\u0436\u0438\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u0421\u0423\u0411\u0414 Redis 8.0 \u0438 Valkey 8.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0431\u044b\u043b\u0438 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u044b \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u0412\u043e \u0432\u0441\u0435\u0445 \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u044b\u0445 \u0442\u0435\u0441\u0442\u0430\u0445 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0444\u043e\u0440\u043a \u043e\u0431\u043e\u0433\u043d\u0430\u043b \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442, \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u044e \u0432 Valkey \u043d\u043e\u0432\u043e\u0433\u043e \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0434\u043b\u044f \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0432\u0432\u043e\u0434\u0430\/\u0432\u044b\u0432\u043e\u0434\u0430 \u0432 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435, \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0443 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Amazon. \u0412 \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 AWS Graviton4 c8g.2xlarge \u0441 8 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":135789,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-135788","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0432\u0435\u0436\u0438\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u0421\u0423\u0411\u0414 Redis 8.0 \u0438 Valkey 8.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0431\u044b\u043b\u0438 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u044b 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