{"id":121357,"date":"2025-01-16T09:46:00","date_gmt":"2025-01-16T07:46:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs"},"modified":"2025-01-16T09:46:00","modified_gmt":"2025-01-16T07:46:00","slug":"live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"Les builds live de Fedora pr\u00e9voient de passer de SquashFS \u00e0 EROFS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dans la version Fedora 42, pr\u00e9vue pour la fin avril, il est pr\u00e9vu de transf\u00e9rer toutes les versions Live de la distribution de SquashFS vers le syst\u00e8me de fichiers EROFS, dont le support a \u00e9t\u00e9 r\u00e9alis\u00e9 l'ann\u00e9e derni\u00e8re dans l'outil de cr\u00e9ation d'images de d\u00e9marrage Dracut 103. Cette proposition n'a pas encore \u00e9t\u00e9 approuv\u00e9e par le comit\u00e9 FESCo (Fedora Engineering Steering Committee), charg\u00e9 de la partie technique du d\u00e9veloppement de la distribution Fedora. <\/p>\n

Parmi les raisons du passage, on mentionne un d\u00e9veloppement plus actif d'EROFS (la derni\u00e8re version de l'outil SquashFS a \u00e9t\u00e9 publi\u00e9e au printemps 2023) et la pr\u00e9sence dans EROFS de fonctionnalit\u00e9s avanc\u00e9es qui pourront \u00eatre exploit\u00e9es \u00e0 l'avenir. Tous les builds utilisant une image syst\u00e8me en mode lecture seule, comme les versions Live avec KDE, Xfce, Budgie, LXQt, MiracleWM et COSMIC, ainsi que les \u00e9ditions Fedora KDE Plasma Mobile et Fedora CoreOS Live, doivent \u00eatre transf\u00e9r\u00e9s vers EROFS. <\/p>\n

Les syst\u00e8mes de fichiers SquashFS et EROFS sont con\u00e7us pour fonctionner en mode \u00ab lecture seule \u00bb et offrent une repr\u00e9sentation compacte des m\u00e9tadonn\u00e9es ainsi qu'un stockage des donn\u00e9es sous forme compress\u00e9e. Le FS EROFS (Extendable Read-Only File System) a \u00e9t\u00e9 cr\u00e9\u00e9 par Huawei et se concentre sur l'atteinte de performances maximales. EROFS utilise une m\u00e9thode de compression des donn\u00e9es diff\u00e9rente des autres syst\u00e8mes de fichiers, consistant \u00e0 utiliser des blocs compress\u00e9s de taille fixe (dans d'autres syst\u00e8mes de fichiers, les blocs sont fix\u00e9s avant la compression, tandis qu'apr\u00e8s compression, leur taille varie). <\/p>\n

Compar\u00e9 \u00e0 SquashFS, EROFS pr\u00e9sente un niveau de compression inf\u00e9rieur (taille de l'image de 2,7 GiB en EROFS contre 2,0 GiB en SquashFS lors de l'utilisation de l'algorithme de compression XZ et 3,9 GiB contre 3,1 GiB lors de l'utilisation de LZ4), mais offre une vitesse d'acc\u00e8s al\u00e9atoire et une bande passante plus \u00e9lev\u00e9es (7,1 MiB\/s en EROFS contre 5,0 MiB\/s en SquashFS pour XZ et 30,9 MiB\/s contre 26,3 MiB\/s pour LZ4). En comparaison avec Ext4, le FS EROFS est nettement plus rapide lors de l'acc\u00e8s al\u00e9atoire aux donn\u00e9es \u2014 \u00e0 un niveau de compression de 4, le FS EROFS s'est r\u00e9v\u00e9l\u00e9 presque 3 fois plus rapide sur stockage Flash et 6 fois plus rapide sur disque dur.
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Fedora 42, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u0430\u043f\u0440\u0435\u043b\u044f, \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u0432\u0435\u0441\u0442\u0438 \u0432\u0441\u0435 Live-\u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u0441\u043e SquashFS \u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 EROFS, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u0431\u044b\u043b\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u0447\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 Dracut 103. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u043e \u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u043c FESCo (Fedora Engineering Steering Committee), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u043c \u0437\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Fedora. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u0447\u0438\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121357","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Les versions Live de Fedora doivent \u00eatre transf\u00e9r\u00e9es de SquashFS vers EROFS | ProHoster","description":"Dans la version Fedora 42, pr\u00e9vue pour la fin avril, il est pr\u00e9vu de transf\u00e9rer toutes les versions Live de la distribution de SquashFS vers le syst\u00e8me de fichiers EROFS, dont le support a \u00e9t\u00e9 mis en \u0153uvre l'ann\u00e9e derni\u00e8re dans 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