November 2024
Intermediate to advanced
340 pages
11h 11m
French
Content preview from Fondements des systèmes évolutifs
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Chapitre 8. Systèmes de traitement sans serveur
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Les systèmes évolutifs connaissent des schémas d'utilisation très variables. Pour certaines applications, la charge peut être élevée pendant les heures de travail et faible ou inexistante en dehors des heures de travail. D'autres applications, par exemple un système de vente de billets de concert en ligne, peuvent avoir un faible trafic en arrière-plan 99 % du temps. Mais lorsque les billets pour une grande série de spectacles sont mis en vente, la demande peut atteindre 10 000 fois la charge moyenne pendant un certain nombre d'heures avant de redescendre à des niveaux normaux.
L'équilibrage élastique de la charge, tel que décrit au chapitre 5, est une approche pour gérer ces pics. L'informatique sans serveur, que j'examinerai dans ce chapitre, en est une autre.
Les attraits de Serverless
La transition des principaux systèmes informatiques organisationnels des déploiements sur site vers des plateformes de cloud public semble inexorable. Les organisations, des startups aux agences gouvernementales en passant par les multinationales considèrent les clouds comme des plateformes de transformation numérique et une technologie fondamentale pour améliorer la continuité des activités.
Deux des grands attraits des plateformes Cloud sont leur facturation à l'utilisation et la possibilité d'augmenter (et de diminuer) ...
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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.