{"id":4080,"date":"2026-03-05T04:44:42","date_gmt":"2026-03-05T07:44:42","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=4080"},"modified":"2026-04-30T18:31:45","modified_gmt":"2026-04-30T21:31:45","slug":"iowait-alto-nvme-cloud","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/","title":{"rendered":"iowait Alto NVMe Cloud: Como Diagnosticar Gargalo de Disco"},"content":{"rendered":"<div id=\"helps-454523198\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p>Problemas de <strong>iowait alto NVMe cloud<\/strong> s\u00e3o relativamente comuns em servidores <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a> hospedados em ambientes de cloud computing. Mesmo quando o sistema utiliza discos NVMe, que s\u00e3o conhecidos por sua alta performance, ainda \u00e9 poss\u00edvel enfrentar gargalos de armazenamento.<\/p>\n\n\n\n<p>Na maioria das vezes, <strong>iowait alto NVMe cloud<\/strong> n\u00e3o significa que o disco f\u00edsico \u00e9 lento. Em vez disso, o problema costuma estar relacionado \u00e0 arquitetura de armazenamento da nuvem, limites de IOPS ou aplica\u00e7\u00f5es que geram grande volume de opera\u00e7\u00f5es de entrada e sa\u00edda.<\/p>\n\n\n\n<p>Neste artigo voc\u00ea aprender\u00e1 como identificar as causas e diagnosticar <strong>iowait alto NVMe cloud<\/strong> utilizando ferramentas nativas do Linux.<\/p>\n\n\n\n<p>Se voc\u00ea quer entender todas as t\u00e9cnicas de diagn\u00f3stico e otimiza\u00e7\u00e3o de infraestrutura, veja tamb\u00e9m nosso <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizar-vps-servidor-dedicado-cloud\/\">guia completo de otimiza\u00e7\u00e3o de servidores VPS, dedicados e cloud<\/a><\/strong><\/p>\n\n\n\n<p>Gargalos de disco tamb\u00e9m podem impactar diretamente a carga do sistema. Quando processos aguardam opera\u00e7\u00f5es de armazenamento, o servidor pode apresentar picos de load average e sintomas semelhantes a CPU elevada. Para entender como esse comportamento difere entre m\u00e1quinas virtuais e servidores f\u00edsicos, veja tamb\u00e9m o guia sobre <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/cpu-100-vm-vs-bare-metal\/\">CPU 100% em VM vs bare metal<\/a><\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-o-que-e-iowait-no-linux\">O que \u00e9 iowait no Linux<\/h1>\n\n\n\n<p>Para entender <strong>iowait alto NVMe cloud<\/strong>, primeiro precisamos compreender o que significa iowait.<\/p>\n\n\n\n<p>O iowait representa o tempo em que a CPU permanece ociosa aguardando opera\u00e7\u00f5es de disco. Quando esse valor aumenta, significa que o sistema est\u00e1 esperando respostas do armazenamento antes de continuar processando tarefas.<\/p>\n\n\n\n<p>Isso pode acontecer por diversos motivos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lat\u00eancia elevada de disco<\/li>\n\n\n\n<li>filas de I\/O congestionadas<\/li>\n\n\n\n<li>aplica\u00e7\u00f5es com uso intenso de leitura ou escrita<\/li>\n\n\n\n<li>limites de performance do storage<\/li>\n<\/ul>\n\n\n\n<p>Quando esses fatores aparecem em ambientes virtualizados, podem resultar em <strong>iowait alto NVMe cloud<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Quando o <strong>iowait est\u00e1 alto<\/strong>, o processador passa mais tempo aguardando opera\u00e7\u00f5es de disco do que executando tarefas reais. Mesmo em ambientes com <strong>NVMe ou cloud<\/strong>, gargalos de I\/O podem ocorrer devido a filas de disco, lat\u00eancia da infraestrutura ou excesso de processos concorrentes. Para entender como todos os componentes do sistema impactam o desempenho, consulte o guia completo de <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizar-vps-servidor-dedicado-cloud\/\">performance de servidores Linux<\/a><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-por-que-nvme-pode-apresentar-iowait-alto-na-cloud\">Por que NVMe pode apresentar iowait alto na cloud<\/h1>\n\n\n\n<p>Muitos administradores ficam surpresos ao observar <strong>iowait alto NVMe cloud<\/strong>, pois NVMe \u00e9 uma tecnologia extremamente r\u00e1pida.<\/p>\n\n\n\n<p>Entretanto, em plataformas de cloud computing, o dispositivo NVMe apresentado ao sistema operacional pode estar conectado a uma camada de armazenamento distribu\u00eddo. Isso significa que o acesso ao disco pode passar por diversas etapas dentro da infraestrutura do provedor.<\/p>\n\n\n\n<p>Por causa disso, mesmo utilizando NVMe, um servidor pode apresentar lat\u00eancia maior do que o esperado.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-principais-causas-do-problema\">Principais causas do problema<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-limite-de-iops\">Limite de IOPS<\/h2>\n\n\n\n<p>Uma das causas mais frequentes de <strong>iowait alto NVMe cloud<\/strong> \u00e9 atingir o limite de opera\u00e7\u00f5es por segundo do volume.<\/p>\n\n\n\n<p>Provedores de cloud normalmente imp\u00f5em limites para:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IOPS<\/li>\n\n\n\n<li>throughput<\/li>\n\n\n\n<li>filas de requisi\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n<p>Quando esses limites s\u00e3o atingidos, novas opera\u00e7\u00f5es ficam em espera.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-noisy-neighbor\">Noisy neighbor<\/h2>\n\n\n\n<p>Outro cen\u00e1rio poss\u00edvel ocorre quando diversas m\u00e1quinas virtuais compartilham o mesmo storage.<\/p>\n\n\n\n<p>Nesse caso, cargas intensivas de I\/O em outras inst\u00e2ncias podem aumentar a lat\u00eancia percebida pelo seu servidor.<\/p>\n\n\n\n<p>Esse fen\u00f4meno \u00e9 conhecido como <strong>noisy neighbor<\/strong> e pode resultar em <strong>iowait alto NVMe cloud<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-aplicacoes-com-alto-volume-de-escrita\">Aplica\u00e7\u00f5es com alto volume de escrita<\/h2>\n\n\n\n<p>Aplica\u00e7\u00f5es mal otimizadas tamb\u00e9m podem gerar gargalos de armazenamento.<\/p>\n\n\n\n<p>Os exemplos mais comuns incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bancos de dados com muitas opera\u00e7\u00f5es de escrita<\/li>\n\n\n\n<li>logs excessivos<\/li>\n\n\n\n<li>consultas SQL sem \u00edndices<\/li>\n\n\n\n<li>opera\u00e7\u00f5es de backup intensivas<\/li>\n<\/ul>\n\n\n\n<p>Quando essas atividades ocorrem simultaneamente, o sistema pode apresentar <strong>iowait alto NVMe cloud<\/strong>.<\/p>\n\n\n\n<p>Em muitos casos, o problema n\u00e3o est\u00e1 diretamente no disco NVMe, mas na forma como o armazenamento \u00e9 provisionado ou compartilhado na infraestrutura cloud. Identificar corretamente a origem do gargalo \u00e9 um passo essencial dentro do processo de <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizar-vps-servidor-dedicado-cloud\/\">otimiza\u00e7\u00e3o de infraestrutura em VPS, servidores dedicados e ambientes cloud.<\/a><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-como-diagnosticar-o-problema\">Como diagnosticar o problema<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-usando-iostat\">Usando iostat<\/h2>\n\n\n\n<p>O comando iostat permite analisar lat\u00eancia e filas de disco.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">iostat -x 1<\/pre>\n\n\n\n<p>Os principais indicadores s\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>await<\/li>\n\n\n\n<li>r_await<\/li>\n\n\n\n<li>w_await<\/li>\n\n\n\n<li>avgqu-sz<\/li>\n<\/ul>\n\n\n\n<p>Valores elevados indicam que o armazenamento est\u00e1 demorando para responder \u00e0s requisi\u00e7\u00f5es.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-usando-vmstat\">Usando vmstat<\/h2>\n\n\n\n<p>Outra ferramenta importante para investigar <strong>iowait alto NVMe cloud<\/strong> \u00e9 o vmstat.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">vmstat 1<\/pre>\n\n\n\n<p>Observe principalmente:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>coluna wa (tempo de espera por I\/O)<\/li>\n\n\n\n<li>si e so (atividade de swap)<\/li>\n<\/ul>\n\n\n\n<p>Se o sistema estiver utilizando swap intensivamente, isso pode aumentar o tempo de espera por disco.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-usando-iotop\">Usando iotop<\/h2>\n\n\n\n<p>Para descobrir quais processos est\u00e3o causando alto volume de I\/O:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">iotop -o<\/pre>\n\n\n\n<p>Essa ferramenta permite identificar aplica\u00e7\u00f5es respons\u00e1veis por opera\u00e7\u00f5es intensivas de leitura ou escrita.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-estrategias-para-reduzir-iowait\">Estrat\u00e9gias para reduzir iowait<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-otimizar-aplicacoes\">Otimizar aplica\u00e7\u00f5es<\/h2>\n\n\n\n<p>Aplica\u00e7\u00f5es mal configuradas s\u00e3o uma causa frequente de lat\u00eancia de disco. Algumas medidas que ajudam incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>otimizar consultas SQL<\/li>\n\n\n\n<li>reduzir grava\u00e7\u00e3o de logs<\/li>\n\n\n\n<li>implementar cache de aplica\u00e7\u00e3o<\/li>\n\n\n\n<li>evitar opera\u00e7\u00f5es desnecess\u00e1rias de escrita<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ajustar-banco-de-dados\">Ajustar banco de dados<\/h2>\n\n\n\n<p>Bancos de dados mal configurados podem gerar grande volume de opera\u00e7\u00f5es de disco.<\/p>\n\n\n\n<p>Algumas otimiza\u00e7\u00f5es incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>aumentar buffer pool<\/li>\n\n\n\n<li>revisar \u00edndices<\/li>\n\n\n\n<li>reduzir flush excessivo<\/li>\n<\/ul>\n\n\n\n<p>Esses ajustes ajudam a diminuir o impacto no storage.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-melhorar-a-infraestrutura-de-armazenamento\">Melhorar a infraestrutura de armazenamento<\/h2>\n\n\n\n<p>Se o gargalo estiver relacionado \u00e0 infraestrutura da cloud, pode ser necess\u00e1rio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>aumentar o plano de IOPS<\/li>\n\n\n\n<li>utilizar volumes de maior performance<\/li>\n\n\n\n<li>distribuir carga entre m\u00faltiplos discos<\/li>\n<\/ul>\n\n\n\n<p>Essas mudan\u00e7as reduzem a lat\u00eancia e ajudam a estabilizar o sistema.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-boas-praticas-de-monitoramento\">Boas pr\u00e1ticas de monitoramento<\/h1>\n\n\n\n<p>Para evitar problemas futuros, \u00e9 importante monitorar continuamente a performance do servidor.<\/p>\n\n\n\n<p>Algumas recomenda\u00e7\u00f5es incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>monitorar lat\u00eancia de disco<\/li>\n\n\n\n<li><a href=\"https:\/\/helpsysadmin.com.br\/blog\/configurar-login-automatico-phpmyadmin\/\" data-internallinksmanager029f6b8e52c=\"3\" title=\"Como Configurar Login Autom\u00e1tico no phpMyAdmin via DirectAdmin\">configurar<\/a> alertas de iowait<\/li>\n\n\n\n<li>acompanhar m\u00e9tricas de storage<\/li>\n\n\n\n<li>revisar uso de CPU e mem\u00f3ria<\/li>\n<\/ul>\n\n\n\n<p>Com monitoramento adequado, problemas de performance podem ser detectados antes de impactar aplica\u00e7\u00f5es.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-conclusao\">Conclus\u00e3o<\/h1>\n\n\n\n<p>Situa\u00e7\u00f5es de <strong>iowait alto NVMe cloud<\/strong> podem ocorrer mesmo em servidores modernos que utilizam armazenamento NVMe. Em ambientes virtualizados, fatores como limites de IOPS, conten\u00e7\u00e3o de recursos e aplica\u00e7\u00f5es mal otimizadas influenciam diretamente a lat\u00eancia de disco.<\/p>\n\n\n\n<p>Portanto, ao investigar <strong>iowait alto NVMe cloud<\/strong>, \u00e9 fundamental analisar tanto a infraestrutura de armazenamento quanto o comportamento das aplica\u00e7\u00f5es.<\/p>\n\n\n\n<p>Ferramentas como iostat, vmstat e iotop ajudam a identificar rapidamente a origem do problema e permitem aplicar otimiza\u00e7\u00f5es de forma eficiente.<\/p>\n\n\n\n<p>Resolver problemas de iowait exige entender n\u00e3o apenas o hardware utilizado, mas tamb\u00e9m a arquitetura completa da infraestrutura. Para conhecer as principais estrat\u00e9gias utilizadas para melhorar desempenho em diferentes ambientes, recomendamos tamb\u00e9m o guia sobre <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizar-vps-servidor-dedicado-cloud\/\">estrat\u00e9gias para otimizar VPS, servidor dedicado e cloud.<\/a><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-faq\">FAQ<\/h3>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772697540605\"><strong class=\"schema-faq-question\">O que \u00e9 iowait no Linux?<\/strong> <p class=\"schema-faq-answer\">iowait \u00e9 o tempo em que a CPU fica ociosa aguardando opera\u00e7\u00f5es de leitura ou escrita no disco.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772697561637\"><strong class=\"schema-faq-question\">NVMe pode ter iowait alto?<\/strong> <p class=\"schema-faq-answer\">Sim. Em ambientes de cloud, o NVMe pode estar associado a storage virtualizado, que possui limites de performance.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772697594614\"><strong class=\"schema-faq-question\">Como verificar iowait no Linux?<\/strong> <p class=\"schema-faq-answer\">Voc\u00ea pode usar comandos como top, vmstat e iostat para visualizar o tempo de iowait.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772697607293\"><strong class=\"schema-faq-question\">Qual valor de iowait \u00e9 considerado alto?<\/strong> <p class=\"schema-faq-answer\">Normalmente valores acima de 10% j\u00e1 indicam poss\u00edveis gargalos de disco.<\/p> <\/div> <\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-veja-tambem\">Veja Tamb\u00e9m:<\/h3>\n\n\n\n<p><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizar-vps-servidor-dedicado-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como Otimizar VPS, Servidor Dedicado ou Cloud: Guia Completo<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/identificar-gargalo-vps-servidor-dedicado-cloud\/\">Servidor Lento: Identifique Gargalo em VPS, Dedicado ou Cloud<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/cpu-100-vm-vs-bare-metal\/\" target=\"_blank\" rel=\"noreferrer noopener\">CPU 100%: Diferen\u00e7as Entre VM e Bare Metal no Servidor<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/load-average-em-ambiente-virtualizado-como-interpretar-vps-e-cloud\/\">Load Average em Ambiente Virtualizado: Como Interpretar VPS e Cloud<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/steal-time-alto-vps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Steal Time Alto na VPS: O Que \u00c9 e Como Resolver o Gargalo<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-medir-performance-servidores-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-medir-performance-servidores-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como Medir Performance de Servidor Linux na Pr\u00e1tica (Al\u00e9m da CPU)<\/a><\/strong><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/vps-lenta-diagnostico-otimizacao\/\">VPS Lenta? Guia de Diagn\u00f3stico, Otimiza\u00e7\u00e3o e Escalonamento<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/cloud-vs-servidor-dedicado-sites-medios\/\">Cloud vale a pena para sites m\u00e9dios? O Guia Definitivo<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/overprovisioning-em-cloud-guia-otimizacao\/\">Overprovisioning em Cloud: O Guia Definitivo para SysAdmins (2026)<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/quando-migrar-servidor-dedicado-performance\/\">Quando migrar para servidor dedicado? O Guia Definitivo de Performance<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/benchmark-vps-vs-servidor-dedicado-performance\/\">VPS vs Servidor Dedicado em 2026 (Guia T\u00e9cnico)<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/guia-completo-comando-sar-linux\/\">Definitivo: Como Dominar o Comando Sar Linux para Monitoramento<\/a><\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/diagnostico-vps-lento-checklist\/\">Diagn\u00f3stico de VPS Lento: Checklist Completo e Definitivo<\/a><\/strong><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problemas de iowait alto NVMe cloud s\u00e3o relativamente comuns em servidores Linux hospedados em ambientes de cloud computing. Mesmo quando o sistema [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4187],"tags":[3939,3943,3833,2912,3941,2540,2310,3583,3835],"class_list":["post-4080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monitoramento-e-troubleshooting","tag-cloud-computing-11","tag-gargalo-de-disco","tag-iostat","tag-iowait","tag-linux-performance-6","tag-nvme","tag-sysadmin","tag-troubleshooting-linux-6","tag-vmstat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>iowait Alto NVMe Cloud: Como Diagnosticar Gargalo de Disco<\/title>\n<meta name=\"description\" content=\"Blog HelpSysAdmin - iowait Alto NVMe Cloud: Como Diagnosticar Gargalo de Disco\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"iowait Alto NVMe Cloud: Como Diagnosticar Gargalo de Disco\" \/>\n<meta property=\"og:description\" content=\"Blog HelpSysAdmin - 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Em ambientes de cloud, o NVMe pode estar associado a storage virtualizado, que possui limites de performance.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/#faq-question-1772697594614","position":3,"url":"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/#faq-question-1772697594614","name":"Como verificar iowait no Linux?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Voc\u00ea pode usar comandos como top, vmstat e iostat para visualizar o tempo de iowait.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/#faq-question-1772697607293","position":4,"url":"https:\/\/helpsysadmin.com.br\/blog\/iowait-alto-nvme-cloud\/#faq-question-1772697607293","name":"Qual valor de iowait \u00e9 considerado alto?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Normalmente valores acima de 10% j\u00e1 indicam poss\u00edveis gargalos de disco.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"}]}},"lang":"pt","translations":{"pt":4080},"pll_sync_post":{},"_links":{"self":[{"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/posts\/4080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/comments?post=4080"}],"version-history":[{"count":17,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/posts\/4080\/revisions"}],"predecessor-version":[{"id":6722,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/posts\/4080\/revisions\/6722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/media\/4081"}],"wp:attachment":[{"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/media?parent=4080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/categories?post=4080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helpsysadmin.com.br\/blog\/wp-json\/wp\/v2\/tags?post=4080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}