Translations:Storage and file management/9/fr: Difference between revisions

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Message definition (Storage and file management)
== Best practices ==
* Regularly clean up your data in the scratch and project spaces, because those filesystems are used for huge data collections.
* Only use text format for files that are smaller than a few megabytes.
* As far as possible, use scratch and local storage for temporary files. For local storage you can use the temporary directory created by the [[Running jobs|job scheduler]] for this, named <code>$SLURM_TMPDIR</code>.
* If your program must search within a file, it is fastest to do it by first reading it completely before searching.
* If you no longer use certain files but they must be retained, [[Archiving and compressing files|archive and compress]] them, and if possible move them to an alternative location like [[Using nearline storage|nearline]].
* For more on managing many files, see [[Handling large collections of files]], especially if you are limited by a quota on the number of files. 
* Having any sort of parallel write access to a file stored on a shared filesystem like home, scratch and project is likely to create problems unless you are using a specialized tool such as [https://en.wikipedia.org/wiki/Message_Passing_Interface#I/O MPI-IO]. 
* If your needs are not well served by the available storage options please contact [[technical support]].

Meilleures pratiques

  • Utilisez uniquement des fichiers au format texte de moins de quelques mégaoctets.
  • Autant que possible, réservez le stockage local pour les fichiers temporaires.
  • Si le programme doit chercher à l'intérieur d'un fichier, il est plus rapide de lire le fichier au complet d'abord, ou d'utiliser un disque RAM.
  • Nettoyez régulièrement les données dans les espaces projet et scratch puisque ceux-ci sont utilisés pour d'immenses collections de données.
  • Si certains fichiers non utilisés doivent être conservés, archivez-les et compressez-les et si possible, copiez-les ailleurs (voir Archiving and compressing).
  • SI les solutions de stockage offertes ne conviennent pas à vos besoins, écrivez au soutien technique.
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