{"id":52849,"date":"2019-11-18T00:00:00","date_gmt":"2019-11-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov"},"modified":"2020-02-18T14:00:39","modified_gmt":"2020-02-18T11:00:39","slug":"kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov","title":{"rendered":"Como testar o desempenho de servidores: uma sele\u00e7\u00e3o de v\u00e1rios benchmarks open source","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Continuamos nossa s\u00e9rie de materiais dedicados ao teste de desempenho de servidores. Hoje, falaremos sobre alguns benchmarks consagrados que ainda s\u00e3o mantidos e atualizados \u2014 NetPerf, HardInfo e ApacheBench.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/476126\/\"><img decoding=\"async\" alt=\"Como testar o desempenho de servidores: uma sele\u00e7\u00e3o de v\u00e1rios benchmarks open source\" src=\"\/wp-content\/uploads\/2019\/11\/4e370306b03819d50578c721b54b1fbb.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>Foto \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/pbalcer\/11344696695\/\">Peter Balcerzak<\/a><\/noindex> \u2014 CC BY-SA<\/i><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/HewlettPackard\/netperf\">NetPerf<\/a><\/noindex><\/h2>\n<p>\nEste \u00e9 um instrumento para avaliar a largura de banda da rede. Foi desenvolvido por engenheiros da Hewlett-Packard. O instrumento <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxlinks.com\/netperf\/\">inclui<\/a><\/noindex> possui dois arquivos execut\u00e1veis: netserver e netclient. Para realizar o teste, eles precisam ser iniciados em m\u00e1quinas diferentes. Por padr\u00e3o, netperf utiliza a porta 12865, mas isso pode ser alterado com a flag -p. A ferramenta funciona com TCP e UDP atrav\u00e9s de BSD Sockets, DLPI, Unix Domain Sockets e IPv6.<\/p>\n<p>Hoje, o netperf faz parte do conjunto de ferramentas para benchmarking <noindex><a rel=\"nofollow\" href=\"https:\/\/flent.org\/\">Flent<\/a><\/noindex>. Al\u00e9m disso, \u00e9 utilizado por um n\u00famero consider\u00e1vel de empresas de TI, <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.openshift.com\/troubleshooting-openshift-network-performance-with-a-netperf-daemonset\/\">como a Red Hat<\/a><\/noindex>. Assim, \u00e9 apresentada a descri\u00e7\u00e3o do servi\u00e7o netperf em um dos exemplos para avalia\u00e7\u00e3o de desempenho do OpenShift:<\/p>\n<pre><code class=\"xml\">apiVersion: v1\nkind: Service\nmetadata:\n  labels:\n    app-name: netperf\n  name: netperf\n  namespace: your_project\nspec:\n  ports:\n  - port: 12865\n    protocol: TCP\n    targetPort: 12865\n  selector:\n    app-name: netperf\n  sessionAffinity: ClientIP\n  type: ClusterIP\n<\/code><\/pre>\n<p>\nNo reposit\u00f3rio oficial, \u00e9 afirmado que o netperf \u00e9 distribu\u00eddo sob uma licen\u00e7a especial da Hewlett-Packard. No entanto, o autor da ferramenta \u2014 Rick Jones \u2014 afirma que ela foi criada seguindo as melhores tradi\u00e7\u00f5es do open source. Tamb\u00e9m vale ressaltar que, recentemente, as atualiza\u00e7\u00f5es para o netperf t\u00eam sido lan\u00e7adas com menos frequ\u00eancia. Isso pode estar relacionado \u00e0 maturidade do produto.<\/p>\n<p>O netperf possui an\u00e1logos \u2014 por exemplo, <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/iperf2\/\">iperf2<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/software.es.net\/iperf\/\">iperf3<\/a><\/noindex>. Eles tamb\u00e9m permitem testar a largura de banda da rede. O desenvolvimento do iperf3 come\u00e7ou ap\u00f3s o reposit\u00f3rio do iperf2 entrar em decl\u00ednio. A nova vers\u00e3o foi reescrita do zero e n\u00e3o \u00e9 compat\u00edvel com a implementa\u00e7\u00e3o anterior, embora contenha parte de seu c\u00f3digo. Curiosamente, ap\u00f3s o lan\u00e7amento do iperf3, o trabalho no iperf2 recome\u00e7ou. Como resultado, as duas ferramentas <noindex><a rel=\"nofollow\" href=\"https:\/\/richardimaoka.github.io\/blog\/network-benchmark-tools\/\">possuem<\/a><\/noindex> funcionalidades semelhantes, mas ao mesmo tempo diferentes. Por exemplo, o iperf2 \u00e9 multithreaded, enquanto o iperf3 \u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/software.es.net\/iperf\/faq.html\">trabalha<\/a><\/noindex> apenas com um \u00fanico thread.<\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lpereira\/hardinfo\">Hardinfo<\/a><\/noindex><\/h2>\n<p>\nEsta \u00e9 uma ferramenta para coletar informa\u00e7\u00f5es sobre hardware e sistema operacional. Ela exibe dados sobre o funcionamento de dispositivos em: PCI, ISA PnP, USB, IDE, SCSI, assim como portas seriais e paralelas. Mas pode ser utilizada como benchmark e ferramenta de monitoramento.<\/p>\n<p>HardInfo oferece v\u00e1rios testes. Por exemplo, o CPU Blowfish avalia o desempenho do processador usando algoritmos criptogr\u00e1ficos de criptografia sim\u00e9trica em bloco. Existem <noindex><a rel=\"nofollow\" href=\"http:\/\/groups.csail.mit.edu\/cag\/raw\/benchmark\/suites\/nqueens\/README.html\">CPU N-Queens<\/a><\/noindex> \u2014 um teste de combinat\u00f3ria. O sistema resolve o problema de posicionamento de N rainhas em um tabuleiro de N x N casas. Ele posiciona as pe\u00e7as de forma que nenhuma delas possa atacar as outras. Tamb\u00e9m vale destacar o FPU FFT \u2014 teste para c\u00e1lculo r\u00e1pido de transformadas discretas de Fourier e o FPU Raytracing \u2014 c\u00e1lculo de ray tracing na renderiza\u00e7\u00e3o de cenas 3D.<\/p>\n<p>O resultado na maioria dos testes \u00e9 dado em segundos e, portanto, quanto menor, melhor. Todos os relat\u00f3rios s\u00e3o exibidos nos formatos HTML e txt.<\/p>\n<blockquote><p>A utilidade foi inicialmente desenvolvida no \u00e2mbito do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/BerliOS\">BerliOS<\/a><\/noindex>. Ele inclu\u00eda uma plataforma de hospedagem para aplicativos de c\u00f3digo aberto (como <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/SourceForge.net\">SourceForge<\/a><\/noindex>) e v\u00e1rias bases de dados para documenta\u00e7\u00e3o e perfis de desenvolvedores de c\u00f3digo aberto. O BerliOS foi encerrado em 2014 devido \u00e0 falta de financiamento. Hoje, o HardInfo se desenvolve com o esfor\u00e7o de entusiastas <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lpereira\/hardinfo\">em um reposit\u00f3rio separado<\/a><\/noindex> no GitHub.<\/p><\/blockquote>\n<p>\nVale ressaltar que, \u00e0s vezes, a opera\u00e7\u00e3o do sistema encontra bugs. Sabe-se sobre um <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.debian.org\/cgi-bin\/bugreport.cgi?bug=853749\">erro de segmenta\u00e7\u00e3o<\/a><\/noindex>, problemas com <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.debian.org\/cgi-bin\/bugreport.cgi?bug=638951\">a exibi\u00e7\u00e3o de dispositivos USB<\/a><\/noindex> e alguns <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.debian.org\/cgi-bin\/pkgreport.cgi?pkg=hardinfo;dist=unstable\">outros<\/a><\/noindex>.<\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"http:\/\/httpd.apache.org\/docs\/2.2\/programs\/ab.html\">ApacheBench<\/a><\/noindex><\/h2>\n<p>\nUma ferramenta para teste de carga de servidores HTTP. O ApacheBench (AB) foi desenvolvido para testar o Apache, mas pode funcionar em qualquer outro servidor. A ferramenta vem pr\u00e9-instalada em muitas distribui\u00e7\u00f5es Linux.<\/p>\n<p><img decoding=\"async\" alt=\"Como testar o desempenho de servidores: uma sele\u00e7\u00e3o de v\u00e1rios benchmarks open source\" src=\"\/wp-content\/uploads\/2019\/11\/f9c51d6083801b00ed81ebc28249cd26.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/_YO7f0XmUt4\">Victor Freitas<\/a><\/noindex> \u2014 Unsplash<\/i><\/p>\n<p>A utilidade 'bombardeia' os servidores com um grande n\u00famero de solicita\u00e7\u00f5es. Para iniciar, \u00e9 necess\u00e1rio inserir o seguinte comando:<\/p>\n<pre><code class=\"bash\">ab -n 100 -c 10 http:\/\/www.example.com\/<\/code><\/pre>\n<p>\nEle enviar\u00e1 cem solicita\u00e7\u00f5es GET (no m\u00e1ximo dez delas ser\u00e3o enviadas simultaneamente) para o recurso de teste. A sa\u00edda mostrar\u00e1 o tempo m\u00e9dio de processamento das solicita\u00e7\u00f5es, o volume total de dados transferidos, a largura de banda e o n\u00famero de erros.<\/p>\n<blockquote><p>Hoje, uma ampla comunidade se formou em torno da utilidade. Na rede, novos <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=W7jYCFvTmeQ\">guias surgem regularmente<\/a><\/noindex> sobre como configurar e usar o ApacheBench.<\/p><\/blockquote>\n<p>\nVale destacar que o AB tem um an\u00e1logo \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/apache\/jmeter\">Apache jMeter<\/a><\/noindex>, mas com mais recursos. Por exemplo, ele permite gerar consultas de v\u00e1rios computadores, gerenciando o processo a partir de um deles. O programa tamb\u00e9m possui mecanismos de autoriza\u00e7\u00e3o de usu\u00e1rios virtuais e suporta sess\u00f5es de usu\u00e1rios. Esta ferramenta \u00e9 utilizada por muitas empresas de TI, <noindex><a rel=\"nofollow\" href=\"https:\/\/enlyft.com\/tech\/products\/apache-jmeter\">incluindo<\/a><\/noindex> provedores de nuvem, como <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Qualys\">A vulnerabilidade foi encontrada por especialistas<\/a><\/noindex>.<\/p>\n<p><img decoding=\"async\" alt=\"Como testar o desempenho de servidores: uma sele\u00e7\u00e3o de v\u00e1rios benchmarks open source\" src=\"\/wp-content\/uploads\/2019\/11\/71c6a09af074cfee50c39d47c7a56675.jpg\" style=\"display:block;margin: 0 auto;\" \/>N\u00f3s na 1cloud oferecemos o servi\u00e7o <noindex><a rel=\"nofollow\" href=\"https:\/\/1cloud.ru\/services\/private-cloud?utm_source=habrahabr&amp;utm_medium=cpm&amp;utm_campaign=bench_6&amp;utm_content=site\">\u2018Nuvem Privada\u2019<\/a><\/noindex>. Trata-se de aluguel de infraestrutura virtual com a possibilidade de personaliza\u00e7\u00e3o r\u00e1pida do parque\u00a0<noindex><a rel=\"nofollow\" href=\"https:\/\/1cloud.ru\/services\/vps-vds?utm_source=habrahabr&amp;utm_medium=cpm&amp;utm_campaign=bench_6&amp;utm_content=site\">servidores virtuais<\/a><\/noindex>.<br \/>\n <img decoding=\"async\" alt=\"Como testar o desempenho de servidores: uma sele\u00e7\u00e3o de v\u00e1rios benchmarks open source\" src=\"\/wp-content\/uploads\/2019\/11\/f894d53f2eb831b252f2d1c26de11e91.jpg\" style=\"display:block;margin: 0 auto;\" \/>Nossa nuvem <noindex><a rel=\"nofollow\" href=\"https:\/\/1cloud.ru\/infrastructure\/hardware?utm_source=habrahabr&amp;utm_medium=cpm&amp;utm_campaign=bench_6&amp;utm_content=site\">\u00e9 constru\u00edda sobre hardware<\/a><\/noindex> Cisco, Dell, NetApp. O equipamento est\u00e1 localizado em v\u00e1rios CDNs: DataSpace (Moscovo), SDN\/Xelent (S\u00e3o Petersburgo), Ahost (Alma-Ata).<\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/476126\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u043d\u0430\u0448\u0443 \u0441\u0435\u0440\u0438\u044e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432, \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u043d\u0443\u044e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u043f\u0430\u0440\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u0445 \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0430\u0445, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442 \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u044e\u0442 \u2014 NetPerf, HardInfo \u0438 ApacheBench. \u0424\u043e\u0442\u043e \u2014 Peter Balcerzak \u2014 CC BY-SA NetPerf \u042d\u0442\u043e \u2014 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u043e\u0446\u0435\u043d\u043a\u0438 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438. \u0415\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 Hewlett-Packard. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0434\u0432\u0430 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u0430: netserver \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-52849","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u043d\u0430\u0448\u0443 \u0441\u0435\u0440\u0438\u044e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432, \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u043d\u0443\u044e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e 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