November 2024
Intermediate to advanced
636 pages
21h 38m
French
book
Architecte des plates-formes de données modernes
by Jan Kunigk, Ian Buss, Paul Wilkinson, Lars George
Content preview from Architecte des plates-formes de données modernes
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Chapitre 7. Approvisionnement des grappes
Cet ouvrage a été traduit à l'aide de l'IA. Tes réactions et tes commentaires sont les bienvenus : translation-feedback@oreilly.com
Ce chapitre traite du provisionnement et de la configuration des nœuds de cluster Hadoop. Si tu utilises un environnement Cloud, c'est plutôt la troisième partie qu'il faut lire, en ce qui concerne le provisionnement. Quoi qu'il en soit, la grande majorité des nœuds Hadoop fonctionnant sous Linux, les sujets relatifs au système d'exploitation (OS) abordés dans ce chapitre restent d'actualité.
Systèmes d'exploitation
La première tâche après l'acquisition du matériel physique sous forme de serveurs montables en rack (par exemple, un serveur rack 19" ou des lames) est de provisionner le système d'exploitation. Il existe de nombreuses options, certaines datant de plusieurs décennies, qui te permettent d'automatiser considérablement ce processus. Des technologies distinctes sont souvent utilisées pour chaque étape du processus :
- Bootstrap du serveur
-
La phase initiale du processus de provisionnement d'une machine consiste à lui attribuer automatiquement une adresse IP et à installer l'exécutable de bootstrap du système d'exploitation. La technologie la plus couramment utilisée pour cela est appelée Preboot Execution Environment (PXE), qui a été introduite dans le cadre de la norme industrielle ouverte plus large Wired for Management (WfM). Cette dernière comprenait également la norme familière Wake-on-LAN (WoL). ...
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