September 2024
Intermediate to advanced
388 pages
12h 42m
Spanish
Content preview from MySQL de Alto Rendimiento, 4ª Edición
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Apéndice A. Actualizar MySQL
Actualizar es un compromiso entre estabilidad1 y prestaciones. Debes tenerlo en cuenta cuando decidas actualizar. Una de las mejores partes de utilizar MySQL es su amplia base de instalación. Esto significa que te beneficias de que muchas otras personas prueben y utilicen MySQL. Si actualizas a una versión demasiado nueva, puedes introducir sin saberlo un error o regresión en tu entorno. Si te quedas demasiado atrás, es posible que experimentes fallos no evidentes o que no puedas aprovechar una función que se ha optimizado para mejorar el rendimiento.
¿Por qué actualizar?
Decidir seguir adelante con una actualización de versión puede ser un proceso arriesgado. Normalmente implica hacer una copia de seguridad de todos tus datos, probar los cambios y luego ejecutar el proceso de actualización. Antes de entrar en detalles, es importante que entiendas por qué quieres actualizar.
Hay varias razones para mejorar:
- Vulnerabilidades de seguridad
- Con los años se ha hecho menos probable, pero aún es posible que se descubran vulnerabilidades de seguridad en MySQL. Tú o tu equipo de seguridad podéis evaluarlas y determinar que debéis realizar una actualización.
- Errores conocidos
- Cuando te encuentres con un comportamiento desconocido o inexplicable en producción, te recomendamos que averigües qué versión de MySQL estás ejecutando y, a continuación, leas las notas de publicación de las versiones posteriores a la última. Es muy posible que descubras que la situación ...
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