September 2024
Intermediate to advanced
278 pages
7h 40m
Spanish
Content preview from Programar AWS Lambda
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Capítulo 7. Registro, métricas y seguimiento
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En este capítulo, exploraremos cómo mejorar la observabilidad de las funciones Lambda mediante el registro, las métricas y el rastreo. A través del registro, aprenderás a obtener información de eventos específicos que se produzcan durante la ejecución de tus funciones Lambda. La plataforma y las métricas empresariales nos darán una idea de la salud operativa de nuestra aplicación sin servidor. Por último, el rastreo distribuido te permitirá ver cómo fluyen las peticiones a los distintos servicios gestionados y componentes que conforman nuestra arquitectura.
Utilizaremos la API Meteorológica del Capítulo 5 para explorar la amplia variedad de opciones de registro, métricas y rastreo disponibles para las aplicaciones sin servidor en AWS. De forma similar a los cambios en la canalización de datos que hicimos en el Capítulo 6, observarás que las funciones Lambda de la API Meteorológica se han refactorizado para utilizar la biblioteca aws-lambda-java-events.
Registro
Dado el siguiente mensaje de registro, ¿qué podemos deducir sobre el estado de la aplicación que lo generó?
Recorded a temperature of 78 F from Brooklyn, NY
Conocemos los valores de algunos de los datos (la medida de temperatura y la ubicación), pero no mucho más. ¿Cuándo se recibieron o procesaron estos datos? En el contexto más amplio de nuestra aplicación, ...
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