September 2025
Intermediate to advanced
484 pages
14h 54m
Portuguese (Portugal, Brazil)
Content preview from Construindo microsserviços orientados a eventos, 2nd Edition
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Capítulo 12. Microsserviços de estrutura pesada
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Este capítulo e o próximo abordam as estruturas com recursos completos mais comumente usadas no processamento orientado por eventos. Frequentemente chamadas de estruturas de streaming, elas fornecem mecanismos e APIs para consumir, processar e produzir fluxos de eventos. Essas estruturas podem ser divididas em estruturas pesadas, que são abordadas neste capítulo, e estruturas leves, que são abordadas no próximo.
As estruturas de streaming oferecem suporte completo a uniões de chaves primárias, uniões de chaves estrangeiras, agregações e operações baseadas em tempo. Eles também são capazes de lidar com conjuntos de dados muito grandes, muito além do que uma única instância poderia lidar normalmente. As estruturas básicas de produtor/consumidor, bem como as estruturas de função como serviço (FaaS), normalmente não têm esses recursos. É lógico, no entanto, que consumir eventos de um fluxo é uma coisa, mas adicionar todas as operações mais complexas que uma empresa exige é outra.
O objetivo destes capítulos não é comparar as tecnologias, mas sim fornecer uma visão geral de como essas estruturas funcionam e mostrar seus recursos. Para que você possa avaliar as estruturas pesadas, este capítulo aborda aspectos do Apache Spark, do Apache Flink e do modelo Apache Beam como exemplos dos tipos de tecnologia e operações normalmente ...
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