October 2024
Intermediate to advanced
482 pages
15h 41m
Spanish
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Capítulo 12. Actualizaciones de versión
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Una vez que tu sistema está operativo, trabaja en segundo plano gestionando solicitudes día tras día. Se autocura cuando se producen problemas y se reinicia automáticamente tras apagones o reinicios del sistema. Pero, como ocurre con cualquier software, tienes que seguir optimizándolo, corrigiendo errores a medida que se detectan y añadiendo nuevas funciones. Independientemente de que tengas miles de instancias de tu máquina de café funcionando en un hardware dedicado y monitorizado a través de un enlace inalámbrico, o cualquier otro sistema cuyos requisitos establezcan que debe atender sus peticiones con un 100% de disponibilidad, actualizaciones incluidas, entonces las capacidades de actualización de software de Erlang/OTP son algo que debes estudiar detenidamente ¡Imagínate que no pudieras tomarte tu café matutino debido a una actualización de firmware en curso de la máquina de café de tu oficina!
La funcionalidad incorporada en la VM de Erlang que permite la carga dinámica de módulos podría funcionar para parches sencillos en los que la actualización sea compatible con versiones anteriores. Pero, ¿has pensado en los casos en los que has cambiado la API funcional? ¿O cuando un proceso que ejecuta una llamada a la finalización con una versión antigua del código no puede comunicarse con un proceso que ejecuta una versión nueva ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.