October 2024
Intermediate to advanced
590 pages
19h 59m
Spanish
Content preview from Buscando SRE
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Capítulo 24. Infraestructura inmutable y SRE
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La infraestructura inmutable puede reducir significativamente la cantidad de trabajo necesario para mantener una gran flota de servidores de producción. Lo hace reduciendo el número de variables del sistema y facilitando el intercambio de piezas, porque todas las instancias de un servicio son idénticas.
Escalabilidad, fiabilidad y rendimiento
La SRE quizás se haya sobrecargado, pero en su esencia, la definición se reduce a unas pocas cosas: impulsar la escalabilidad, la fiabilidad y el rendimiento de las operaciones web a escala. Una pieza desafiante, pero increíblemente poderosa, de esto es a través de una infraestructura inmutable.
La infraestructura inmutable es la práctica de comenzar cada compilación de un componente de software con una pequeña imagen base y luego instalar tu software en esa imagen. En cada versión, esta imagen se reconstruye antes de pasar a producción. Una vez liberada, la imagen nunca se cambia ni se actualiza. Sólo se sustituye por una nueva imagen. El proceso se denomina "inmutable" porque el software liberado se congela y nunca se modifica, sólo se sustituye. Las instancias en ejecución nunca se actualizan a través de una herramienta como Puppet, Chef o incluso Secure Shell (SSH) después de ser lanzadas (puede que sigan teniendo SSH en ejecución ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.