June 2026
Intermediate
632 pages
19h 7m
Portuguese (Portugal, Brazil)
book
Engenharia de Observabilidade (Portuguese Edition), 2nd Edition
by Charity Majors, Liz Fong-Jones, George Miranda
Content preview from Engenharia de Observabilidade (Portuguese Edition), 2nd Edition
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Capítulo 8. Introdução à análise de observabilidade
Este trabalho foi traduzido com recurso a IA. Agradecemos o teu feedback e comentários: translation-feedback@oreilly.com
Na Parte II deste livro, você aprendeu os fundamentos de como instrumentar seu código para gerar telemetria. Mas isso é só metade da história. Coletar os dados certos é um requisito fundamental, mas a verdadeira medida da observabilidade é o que você consegue aprender sobre seus sistemas a partir desses dados.
Este capítulo mostra como a coleta dos dados de telemetria que você aprendeu muda radicalmente a maneira como você consegue entender o comportamento do seu código. Ao trabalhar com sistemas de alta observabilidade, as técnicas de análise que você vai usar diferem drasticamente daquelas que você costuma usar em sistemas mais tradicionais, de baixa observabilidade.
Vamos começar examinando as técnicas de análise usadas em sistemas de baixa observabilidade. Essas abordagens dependem muito da familiaridade prévia com o sistema e da experiência dos investigadores para que eles consigam encontrar respostas. Em contraste, nos sistemas de alta observabilidade, os investigadores partem de um processo estruturado — o ciclo central de análise — que os leva à fonte correta dos problemas. Essa diferença resulta tanto na igualdade de condições na identificação de problemas quanto na aceleração rápida da correção deles.
O ciclo de análise central pode ser realizado manualmente, mas funciona melhor quando automatizado. ...
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