February 2026
Intermediate to advanced
672 pages
25h 3m
Spanish
book
Diseño de aplicaciones con uso intensivo de datos, 2nd Edición
by Martin Kleppmann, Chris Riccomini
Content preview from Diseño de aplicaciones con uso intensivo de datos, 2nd Edición
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capítulo 6. Replicación
La principal diferencia entre algo que puede salir mal y algo que no puede salir mal es que, cuando algo que no puede salir mal sale mal, suele resultar imposible acceder a ello o repararlo.
Douglas Adams, Mostly Harmless (1992)
La replicación consiste en mantener una copia de los mismos datos en varias máquinas conectadas a través de una red. Como se explica en “Sistemas distribuidos frente a sistemas de un solo nodo”, hay varias razones por las que puede ser conveniente replicar datos, entre ellas:
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Para mantener los datos geográficamente cerca de tus usuarios (y así reducir la latencia de acceso)
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Para permitir que el sistema siga funcionando incluso si algunas de sus partes han fallado (y así aumentar la disponibilidad y la durabilidad)
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Para ampliar el número de máquinas que pueden atender consultas de lectura (y así aumentar el rendimiento de lectura)
En este capítulo daremos por sentado que tu conjunto de datos es lo suficientemente pequeño como para que cada máquina pueda almacenar una copia del conjunto completo. En Capítulo 7 relajaremos esa suposición y hablaremos del fragmentado (particionamiento) de conjuntos de datos que son demasiado grandes para una sola máquina. En capítulos posteriores hablaremos de varios tipos de fallos que pueden producirse en un sistema de datos replicado y de cómo solucionarlos.
Si los datos que estás replicando no cambian con el tiempo, la replicación es fácil; solo tienes que copiar los datos a cada nodo ...
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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.