{"id":9295,"date":"2020-09-08T23:58:13","date_gmt":"2020-09-09T06:58:13","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=9295"},"modified":"2025-06-13T21:22:40","modified_gmt":"2025-06-14T04:22:40","slug":"health-checking-a-couchbase-cluster","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/health-checking-a-couchbase-cluster\/","title":{"rendered":"Verifica\u00e7\u00e3o de integridade de um cluster do Couchbase"},"content":{"rendered":"<p><span style=\"font-weight: 400\">A maioria dos bancos de dados \u00e9 configurada e dimensionada corretamente com base nas informa\u00e7\u00f5es dispon\u00edveis no momento de seu lan\u00e7amento inicial, mas eles tendem a se tornar insalubres ou subdimensionados devido ao crescimento org\u00e2nico de seus conjuntos de dados e\/ou \u00e0s altera\u00e7\u00f5es em seus perfis de carga de trabalho. O Couchbase \u00e9 um banco de dados distribu\u00eddo que pode lidar facilmente com ambos os desafios, mas precisa de verifica\u00e7\u00f5es regulares de integridade para encontrar as melhores maneiras de ajustar seu desempenho e adicionar mais capacidade quando for absolutamente necess\u00e1rio. Este blog explica o que \u00e9 uma verifica\u00e7\u00e3o de integridade do cluster do Couchbase e quais s\u00e3o as pr\u00e1ticas recomendadas a serem seguidas durante a prepara\u00e7\u00e3o e a realiza\u00e7\u00e3o de uma verifica\u00e7\u00e3o de integridade.<\/span><\/p>\n<h4><b>O que \u00e9 um exame de sa\u00fade?<\/b><\/h4>\n<p><span style=\"font-weight: 400\">O Couchbase oferece v\u00e1rios pacotes de servi\u00e7os pagos no \u00e2mbito do CoE (<\/span><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/professional-services\/\"><span style=\"font-weight: 400\">Centro de Excel\u00eancia<\/span><\/a><span style=\"font-weight: 400\">) de sua ala <img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9296 alignright\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2020\/09\/HC-blog-pic1-300x204.png\" alt=\"\" width=\"300\" height=\"204\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic1-300x204.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic1-235x160.png 235w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic1-20x14.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic1.png 612w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Servi\u00e7os profissionais. Um desses pacotes de servi\u00e7os \u00e9 um <\/span><a href=\"https:\/\/resources.couchbase.com\/c\/health-check-datasheet?x=BvipOL\"><span style=\"font-weight: 400\">exame de sa\u00fade<\/span><\/a><span style=\"font-weight: 400\">. O resultado de um exame de sa\u00fade \u00e9 um relat\u00f3rio que \u00e9 entregue na forma b\u00e1sica, como gratuito, e na forma abrangente, como pago. O primeiro \u00e9 um subconjunto do segundo. Em resumo, esse relat\u00f3rio \u00e9 uma avalia\u00e7\u00e3o da integridade geral de um cluster do Couchbase. Ele se destina a encontrar problemas que resultam em sa\u00fade ruim. Um relat\u00f3rio abrangente tamb\u00e9m inclui recomenda\u00e7\u00f5es para abordar ou resolver os problemas encontrados.<\/span><\/p>\n<h4><b>Por que fazer um exame de sa\u00fade?<\/b><\/h4>\n<p><span style=\"font-weight: 400\">Os destinat\u00e1rios da verifica\u00e7\u00e3o de integridade t\u00eam muitos benef\u00edcios, desde o ajuste de desempenho at\u00e9 o planejamento da capacidade e a redu\u00e7\u00e3o do TCO.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Muitas vezes, um cluster do Couchbase \u00e9 dimensionado e configurado corretamente com base nos dados dispon\u00edveis no in\u00edcio de uma implanta\u00e7\u00e3o, mas, com o tempo, os conjuntos de dados podem aumentar de tamanho, os padr\u00f5es de acesso aos dados podem mudar e a carga de trabalho geral no cluster pode mudar, tornando o cluster insalubre. Um cluster com sa\u00fade ruim pode apresentar um ou mais dos seguintes sintomas.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Alta utiliza\u00e7\u00e3o de recursos<img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9297 alignright\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2020\/09\/HC-blog-pic2-300x251.png\" alt=\"\" width=\"300\" height=\"251\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic2-300x251.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic2-20x17.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/09\/HC-blog-pic2.png 560w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tempos de resposta lentos<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tempo limite\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Experi\u00eancia ruim de uso final<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A\u00e7\u00e3o do OOM Killer<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Failovers frequentes<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Falta de resili\u00eancia<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400\">As causas b\u00e1sicas por tr\u00e1s desses sintomas s\u00e3o identificadas e analisadas durante um exame de sa\u00fade. Como dito anteriormente, s\u00e3o feitas recomenda\u00e7\u00f5es para resolver os problemas subjacentes em um servi\u00e7o de exame de sa\u00fade pago.<\/span><\/p>\n<p><span style=\"font-weight: 400\">As verifica\u00e7\u00f5es de integridade tamb\u00e9m ajudam os propriet\u00e1rios de clusters a se prepararem para os pr\u00f3ximos aumentos de carga de trabalho que surgem durante os picos sazonais, por exemplo, na Black Friday ou na Cyber Monday ou durante a temporada de compras antes dos feriados. As cargas de trabalho tamb\u00e9m podem aumentar durante o lan\u00e7amento de novos produtos ou ofertas especiais no espa\u00e7o de varejo.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Os benef\u00edcios adicionais incluem melhor utiliza\u00e7\u00e3o dos recursos, redu\u00e7\u00e3o dos problemas de produ\u00e7\u00e3o e poss\u00edvel redu\u00e7\u00e3o do TCO e conformidade com pol\u00edticas de seguran\u00e7a e\/ou normas governamentais.<\/span><\/p>\n<h4><b>Escopo<\/b><\/h4>\n<p><span style=\"font-weight: 400\">Os especialistas em CoE do Couchbase analisam uma rica combina\u00e7\u00e3o de dados operacionais, registros do servidor, carga de trabalho, dimensionamento e configura\u00e7\u00f5es em n\u00edvel de bucket, n\u00f3, sistema operacional e cluster durante uma verifica\u00e7\u00e3o de integridade. Os dados operacionais incluem m\u00e9tricas de curto e longo prazo relacionadas \u00e0s opera\u00e7\u00f5es do cliente, m\u00e9tricas geradas por camadas mais profundas do software do servidor e m\u00e9tricas registradas pelo sistema operacional, como a utiliza\u00e7\u00e3o de IO, mem\u00f3ria, rede e recursos da CPU.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Al\u00e9m disso, s\u00e3o analisados os erros e exce\u00e7\u00f5es gravados nos logs do servidor e do sistema operacional.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Em sua forma b\u00e1sica, um relat\u00f3rio de verifica\u00e7\u00e3o de sa\u00fade abrange:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Vis\u00e3o geral do cluster<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Perfis de n\u00f3s<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Defini\u00e7\u00f5es de \u00edndice (se houver)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Defini\u00e7\u00f5es de visualiza\u00e7\u00f5es (se houver)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Resumo dos problemas<\/span><\/li>\n<\/ul>\n<p>Veja <a href=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2020\/09\/Couchbase_sample_health-check_report_basic-1.pdf\">Couchbase_sample_health-check_report_basic<\/a><\/p>\n<p><span style=\"font-weight: 400\">O formul\u00e1rio abrangente acrescenta as seguintes se\u00e7\u00f5es ao formul\u00e1rio b\u00e1sico:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Informa\u00e7\u00f5es detalhadas sobre problemas por n\u00f3<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Recomenda\u00e7\u00f5es para abordar esses problemas<\/span><\/li>\n<\/ul>\n<p>Veja <a href=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2020\/09\/add_on_sections_for_a_detailed_report.pdf\">add_on_sections_for_a_detailed_report<\/a><\/p>\n<h4><b>Processo<\/b><\/h4>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">O cliente entra em contato com a equipe da conta do Couchbase ou com um parceiro do Couchbase solicitando uma verifica\u00e7\u00e3o de integridade.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A(s) pessoa(s) que recebe(m) a solicita\u00e7\u00e3o do cliente identifica(m) o(s) cluster(s) que precisa(m) ser verificado(s). Elas definem as expectativas quanto ao escopo e ao resultado da verifica\u00e7\u00e3o de integridade.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">O cliente compartilha o m\u00e1ximo de informa\u00e7\u00f5es poss\u00edvel sobre os casos de uso, clientes e fluxos de dados relacionados ao cluster em quest\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">O cliente coleta os registros do Couchbase Server seguindo as instru\u00e7\u00f5es fornecidas <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/6.5\/cli\/cbcli\/couchbase-cli-collect-logs-start.html\"><span style=\"font-weight: 400\">aqui<\/span><\/a><span style=\"font-weight: 400\"> e <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/current\/manage\/manage-logging\/manage-logging.html\"><span style=\"font-weight: 400\">aqui<\/span><\/a><span style=\"font-weight: 400\">. O resultado dessa coleta de logs deve ser a gera\u00e7\u00e3o de um arquivo zip para cada n\u00f3 do Couchbase. Esse arquivo \u00e9 chamado de cbcollect. Ele inclui informa\u00e7\u00f5es ambientais, logs de n\u00edvel de sistema operacional e logs gravados por v\u00e1rios processos que formam o Couchbase Server. O formato ou o conte\u00fado do arquivo cbcollect n\u00e3o deve ser alterado. Se isso for feito, ele se tornar\u00e1 in\u00fatil.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">O cliente faz upload do cbcollects para o reposit\u00f3rio S3 do Couchbase, geralmente usando uma sintaxe de comando cURL como a seguinte.<\/span><span style=\"font-weight: 400\"><br \/>\ncurl -upload-file fileN.zip S3Target\/customerName\/clusterName<b>\/<br \/>\n<\/b><\/span>onde:<br \/>\nfileN.zip = o nome de um arquivo zip do cbcollect<br \/>\nS3Target = <a href=\"https:\/\/uploads.couchbase.com\/\">https:\/\/uploads.couchbase.com<\/a><br \/>\ncustomerName = o nome do cliente que est\u00e1 inscrito no Suporte T\u00e9cnico do Couchbase<br \/>\nclusterName = um nome exclusivo para o cluster do Couchbase que est\u00e1 sendo verificado quanto \u00e0 integridade<br \/>\n<b>Observa\u00e7\u00e3o: o \/ no final do comando curl \u00e9 MUITO importante. N\u00e3o se esque\u00e7a de adicion\u00e1-lo.<\/b><\/li>\n<li style=\"font-weight: 400\">O cliente informa a equipe da conta do Couchbase ou o parceiro do Couchbase depois que todos os cbcollects forem carregados com sucesso.<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Um especialista em Couchbase assume o controle nesse momento e realiza uma an\u00e1lise abrangente dos dados agrupados no cbcollects. No final, \u00e9 gerado um relat\u00f3rio de verifica\u00e7\u00e3o de integridade.<\/span><\/li>\n<\/ol>\n<h4><b>Pr\u00e1ticas recomendadas<\/b><\/h4>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Ter um entendimento m\u00fatuo claro sobre o que o exame de sa\u00fade abranger\u00e1 e o que ele alcan\u00e7ar\u00e1.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Forne\u00e7a um conjunto completo de cbcollects. N\u00e3o use arquivos datados ou parciais.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u00c0s vezes, h\u00e1 problemas com o S3 quando muitos cbcollects s\u00e3o carregados de uma s\u00f3 vez ou quando cbcollects muito grandes s\u00e3o carregados consecutivamente. Esses problemas podem resultar em rejei\u00e7\u00e3o ou corrup\u00e7\u00e3o de arquivos. Recomenda-se diminuir a velocidade e espa\u00e7ar os cbcollects para evitar esses problemas.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Revisar o crescimento do conjunto de dados e o hist\u00f3rico da carga de trabalho como parte da verifica\u00e7\u00e3o de integridade.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Analise o dimensionamento de n\u00f3s, o dimensionamento de buckets e a topologia de dimensionamento multidimensional como parte da verifica\u00e7\u00e3o de integridade.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Depois que o relat\u00f3rio for gerado, examine-o com o cliente antes de finaliz\u00e1-lo e envi\u00e1-lo.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Obtenha um compromisso do cliente para implementar suas recomenda\u00e7\u00f5es dentro de um prazo.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Acompanhamento para verificar se as recomenda\u00e7\u00f5es foram implementadas conforme discutido.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Recomende outro exame de sa\u00fade algumas semanas ou meses ap\u00f3s a implementa\u00e7\u00e3o das recomenda\u00e7\u00f5es para ver a diferen\u00e7a entre o antes e o depois.<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Most databases are configured and sized correctly based on the information available at the time of their initial launch, but they tend to become unhealthy or undersized due to organic growth of their datasets and\/or changes in their workload profiles. 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