November 2024
Intermediate to advanced
552 pages
18h 42m
French
book
Ingénierie de la fiabilité des sites
by Niall Richard Murphy, Betsy Beyer, Chris Jones, Jennifer Petoff
Content preview from Ingénierie de la fiabilité des sites
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Chapitre 12. Dépannage efficace
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Sache que pour être un expert, il ne suffit pas de comprendre comment un système est censé fonctionner. L'expertise s'acquiert en cherchant à savoir pourquoi un système ne fonctionne pas.
Brian Redman
Les façons dont les choses se passent bien sont des cas particuliers des façons dont les choses se passent mal.
John Allspaw
Le dépannage est une compétence essentielle pour toute personne qui exploite des systèmes informatiques distribués - en particulier les SRE - mais il est souvent considéré comme une compétence innée que certaines personnes possèdent et d'autres pas. L'une des raisons de ce postulat est que, pour ceux qui dépannent souvent, il s'agit d'un processus bien ancré ; expliquer comment dépanner est difficile, un peu comme expliquer comment faire du vélo. Cependant, nous pensons que le dépannage peut s'apprendre et s 'enseigner.
Les novices trébuchent souvent lors d'un dépannage car l'exercice dépend idéalement de deux facteurs : une compréhension de la façon de dépanner de manière générique (c'est-à-dire sans connaissance particulière du système) et une connaissance solide du système. Bien que tu puisses étudier un problème en utilisant uniquement le processus générique et la dérivation à partir des premiers principes,1 nous trouvons généralement que cette approche est moins efficace ...
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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.