{"id":36007,"date":"2019-10-31T22:09:07","date_gmt":"2019-10-31T19:09:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-ivan-metriki-devops-delal-obekt-vliyaniya\/"},"modified":"2019-10-31T22:09:07","modified_gmt":"2019-10-31T19:09:07","slug":"kak-ivan-metriki-devops-delal-obekt-vliyaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-ivan-metriki-devops-delal-obekt-vliyaniya","title":{"rendered":"Como Ivan fez as m\u00e9tricas DevOps. Objeto de influ\u00eancia","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/433834\/\">Uma semana se passou desde que Ivan pensou pela primeira vez nas m\u00e9tricas de DevOps e percebeu que precisava us\u00e1-las para gerenciar o tempo de entrega do produto.<\/a><\/noindex> (Time-To-Market).<\/p>\n<p>Mesmo nos fins de semana, ele pensava sobre as m\u00e9tricas: \"E da\u00ed que eu medi o tempo? O que isso me traz?\"<\/p>\n<p>De fato, o que traz o conhecimento do tempo? Suponha que a entrega leve 5 dias. E agora? \u00c9 bom ou ruim? Mesmo que seja ruim, de alguma forma \u00e9 necess\u00e1rio reduzir esse tempo. Mas como?<br \/>\nEsses pensamentos n\u00e3o o deixavam em paz, mas a solu\u00e7\u00e3o n\u00e3o chegava.<\/p>\n<p>Ivan entendia que tinha chegado \u00e0 ess\u00eancia da quest\u00e3o. Os in\u00fameros gr\u00e1ficos de m\u00e9tricas que ele havia visto antes o convenceram h\u00e1 muito tempo de que a abordagem padr\u00e3o n\u00e3o funcionaria, e que simplesmente construir um gr\u00e1fico (<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/349724\/\">mesmo que coorte<\/a><\/noindex>) n\u00e3o teria valor.<\/p>\n<p>O que fazer?\u2026<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Uma m\u00e9trica \u00e9 como uma r\u00e9gua comum de madeira. As medi\u00e7\u00f5es feitas com ela n\u00e3o explicam a raz\u00e3o pela qual <b>por que <\/b> o objeto medido tem exatamente o tamanho que ela mostrou. A r\u00e9gua apenas mostrar\u00e1 seu tamanho e nada mais. N\u00e3o \u00e9 uma pedra filosofal, apenas uma t\u00e1bua de madeira para medir.<\/p>\n<p>\"A Rato de A\u00e7o\" do seu escritor favorito, Harry Harrison, sempre dizia: a ideia deve atingir o fundo do c\u00e9rebro e l\u00e1 repousar, por isso, depois de dias de tentativas sem resultados, Ivan decidiu abordar outra tarefa\u2026<\/p>\n<p>Depois de alguns dias, enquanto lia um artigo sobre lojas online, Ivan de repente percebeu que o valor do dinheiro que a loja online recebe depende do comportamento dos visitantes do site. S\u00e3o eles, os visitantes\/clientes, que entregam seu dinheiro \u00e0 loja e s\u00e3o sua fonte. O comportamento dos clientes influencia diretamente o valor final de dinheiro que a loja recebe, e n\u00e3o h\u00e1 outra coisa.<\/p>\n<p>Assim, para alterar a quantidade medida, era necess\u00e1rio influenciar aqueles que formam esse valor, ou seja, para mudar a quantia de dinheiro de uma loja online, era necess\u00e1rio influenciar o comportamento dos clientes dessa loja, e para alterar o tempo de entrega em DevOps, era preciso influenciar as equipes que \"criam\" esse tempo, ou seja, usam DevOps em seu trabalho.<\/p>\n<p>Ivan percebeu que as m\u00e9tricas de DevOps n\u00e3o deveriam ser apenas gr\u00e1ficos. Eles deveriam ser <b>uma ferramenta de busca<\/b> \"excepcionais\" equipes que moldam o tempo de entrega final.<\/p>\n<p>Nenhuma m\u00e9trica jamais mostrar\u00e1 a raz\u00e3o pela qual determinada equipe levou muito tempo para fornecer uma distribui\u00e7\u00e3o, pensou Ivan, pois na realidade pode haver milh\u00f5es de raz\u00f5es, e elas podem n\u00e3o ser tecnol\u00f3gicas, mas organizacionais. Ou seja, o m\u00e1ximo que se pode esperar das m\u00e9tricas \u00e9 ter uma vis\u00e3o das equipes e de seus resultados, e depois, ainda assim, ser\u00e1 necess\u00e1rio ir at\u00e9 essas equipes e descobrir o que ocorreu. <\/p>\n<p>Por outro lado, na empresa de Ivan havia um padr\u00e3o que obrigava todas as equipes a testarem as compila\u00e7\u00f5es em v\u00e1rias pr\u00e1ticas. A equipe n\u00e3o podia passar para a pr\u00f3xima pr\u00e1tica at\u00e9 que a anterior fosse conclu\u00edda. Isso significava que, se consider\u00e1ssemos o processo DevOps como uma sequ\u00eancia de pr\u00e1ticas, as m\u00e9tricas poderiam mostrar o tempo que as equipes gastaram nessas pr\u00e1ticas. Sabendo a pr\u00e1tica e o tempo da equipe, poderia-se falar de forma mais concreta com ela sobre as causas.<\/p>\n<p>Sem pensar muito, Ivan pegou o telefone e discou o n\u00famero de uma pessoa que entendia bastante sobre as entranhas do DevOps:<\/p>\n<p> \u2014 Denis, voc\u00ea pode me dizer se h\u00e1 uma maneira de entender se uma equipe passou por determinada pr\u00e1tica?<br \/>\n \u2014 Claro. Nosso Jenkins acende uma flag se a compila\u00e7\u00e3o foi bem-sucedida (passou no teste) na pr\u00e1tica.<br \/>\n \u2014 \u00d3timo. E o que \u00e9 essa flag?<br \/>\n \u2014 \u00c9 um simples arquivo de texto tipo \"pr\u00e1tica_OK\" ou \"pr\u00e1tica_FAIL\", que indica se a compila\u00e7\u00e3o passou ou n\u00e3o pela pr\u00e1tica. Entendeu?<br \/>\n \u2014 Basicamente, sim. Ele \u00e9 gravado na mesma pasta de armazenamento onde est\u00e1 a compila\u00e7\u00e3o?<br \/>\n \u2014 Sim. <br \/>\n \u2014 E o que acontece se a compila\u00e7\u00e3o n\u00e3o passar pela pr\u00e1tica? Ser\u00e1 necess\u00e1rio fazer uma nova compila\u00e7\u00e3o?<br \/>\n \u2014 Aham.<br \/>\n \u2014 Ok, obrigado. E mais uma pergunta: entendi corretamente que posso usar a data em que a flag foi criada como data de passagem pela pr\u00e1tica?<br \/>\n \u2014 Absolutamente!<br \/>\n \u2014 \u00d3timo!<\/p>\n<p>Euf\u00f3rico, Ivan desligou o telefone e percebeu que tudo se encaixava. Sabendo a data de cria\u00e7\u00e3o do arquivo de compila\u00e7\u00e3o e das flags, poderia calcular com precis\u00e3o at\u00e9 o segundo quanto tempo as equipes passavam em cada pr\u00e1tica e entender onde estavam gastando mais tempo.<\/p>\n<p>\"Entendendo onde est\u00e1 sendo gasto mais tempo, podemos identificar precisamente as equipes, ir at\u00e9 elas e escavar o problema.\" Ivan sorriu.<\/p>\n<p>Para o dia seguinte, ele se prop\u00f4s a esbo\u00e7ar a arquitetura do sistema em desenvolvimento.<\/p>\n<p>Continua\u2026<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/436310\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0448\u043b\u0430 \u043d\u0435\u0434\u0435\u043b\u044f \u0441 \u0442\u0435\u0445 \u043f\u043e\u0440 \u043a\u0430\u043a \u0418\u0432\u0430\u043d \u0432 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0437 \u0437\u0430\u0434\u0443\u043c\u0430\u043b\u0441\u044f \u043d\u0430\u0434 \u043c\u0435\u0442\u0440\u0438\u043a\u0430\u043c\u0438 DevOps \u0438 \u043f\u043e\u043d\u044f\u043b, \u0447\u0442\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441 \u0438\u0445 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043d\u0430\u0434\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 (Time-To-Market). \u0414\u0430\u0436\u0435 \u043d\u0430 \u0432\u044b\u0445\u043e\u0434\u043d\u044b\u0445 \u043e\u043d \u0434\u0443\u043c\u0430\u043b \u043f\u0440\u043e \u043c\u0435\u0442\u0440\u0438\u043a\u0438: \u00ab\u041d\u0443 \u0438 \u0447\u0442\u043e, \u0447\u0442\u043e \u044f \u0438\u0437\u043c\u0435\u0440\u044e \u0432\u0440\u0435\u043c\u044f? \u0427\u0442\u043e \u043e\u043d\u043e \u043c\u043d\u0435 \u0434\u0430\u0441\u0442?\u00bb \u0414\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u0434\u0430\u0441\u0442 \u0437\u043d\u0430\u043d\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u0438? \u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 5 \u0434\u043d\u0435\u0439. \u0418 [&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-36007","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\u0448\u043b\u0430 \u043d\u0435\u0434\u0435\u043b\u044f \u0441 \u0442\u0435\u0445 \u043f\u043e\u0440 \u043a\u0430\u043a \u0418\u0432\u0430\u043d \u0432 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0437 \u0437\u0430\u0434\u0443\u043c\u0430\u043b\u0441\u044f \u043d\u0430\u0434 \u043c\u0435\u0442\u0440\u0438\u043a\u0430\u043c\u0438 DevOps \u0438 \u043f\u043e\u043d\u044f\u043b, \u0447\u0442\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441 \u0438\u0445 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043d\u0430\u0434\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-ivan-metriki-devops-delal-obekt-vliyaniya\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041a\u0430\u043a \u0418\u0432\u0430\u043d \u043c\u0435\u0442\u0440\u0438\u043a\u0438 DevOps \u0434\u0435\u043b\u0430\u043b. \u041e\u0431\u044a\u0435\u043a\u0442 \u0432\u043b\u0438\u044f\u043d\u0438\u044f | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u0440\u043e\u0448\u043b\u0430 \u043d\u0435\u0434\u0435\u043b\u044f \u0441 \u0442\u0435\u0445 \u043f\u043e\u0440 \u043a\u0430\u043a \u0418\u0432\u0430\u043d \u0432 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0437 \u0437\u0430\u0434\u0443\u043c\u0430\u043b\u0441\u044f \u043d\u0430\u0434 \u043c\u0435\u0442\u0440\u0438\u043a\u0430\u043c\u0438 DevOps \u0438 \u043f\u043e\u043d\u044f\u043b, \u0447\u0442\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441 \u0438\u0445 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043d\u0430\u0434\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-ivan-metriki-devops-delal-obekt-vliyaniya\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:09:07+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:09:07+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Como Ivan fez as m\u00e9tricas de DevOps. 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