{"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\/it\/blog\/novosti-interneta\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"Le versioni Live di Fedora mirano a passare da SquashFS a EROFS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nella prossima versione di Fedora 42, prevista per la fine di aprile, \u00e8 previsto il passaggio di tutte le Live ISO del sistema operativo da SquashFS a un file system EROFS, il cui supporto \u00e8 stato implementato l'anno scorso negli strumenti per la creazione di immagini avviabili Dracut 103. Questa proposta deve ancora essere approvata dal comitato FESCo (Fedora Engineering Steering Committee), responsabile della parte tecnica dello sviluppo di Fedora. <\/p>\n

Le ragioni del passaggio includono un'attivit\u00e0 di sviluppo pi\u00f9 attiva per EROFS (l'ultima versione degli strumenti SquashFS risale alla primavera del 2023) e la presenza in EROFS di funzionalit\u00e0 avanzate che potrebbero essere sfruttate in futuro. Tutte le versioni che utilizzano un'immagine di sistema in modalit\u00e0 di sola lettura, come le Live ISO con KDE, Xfce, Budgie, LXQt, MiracleWM e COSMIC, cos\u00ec come le edizioni Fedora KDE Plasma Mobile e Fedora CoreOS Live, saranno migrate a EROFS. <\/p>\n

I file system SquashFS ed EROFS sono progettati per funzionare in modalit\u00e0 «sola lettura» e offrono una rappresentazione compatta dei metadati e lo stoccaggio dei dati in forma compressa. Il FS EROFS (Extendable Read-Only File System) \u00e8 stato creato da Huawei e si concentra sul raggiungimento della massima prestazione. In EROFS viene applicato un metodo di compressione dei dati diverso rispetto ad altri FS, che consiste nell'utilizzo di blocchi compressi di dimensione fissa (negli altri FS i blocchi sono fissi prima della compressione, mentre dopo la compressione la dimensione risulta variabile). <\/p>\n

Rispetto a SquashFS, EROFS presenta un livello di compressione inferiore (dimensione dell'immagine di 2.7 GiB in EROFS contro 2.0 GiB in SquashFS utilizzando l'algoritmo di compressione XZ e 3.9 GiB contro 3.1 GiB utilizzando LZ4), ma una maggiore velocit\u00e0 di accesso casuale e larghezza di banda (7.1 MiB\/s in EROFS contro 5.0 MiB\/s in SquashFS per XZ e 30.9 MiB\/s contro 26.3 MiB\/s per LZ4). Il FS EROFS \u00e8 notevolmente pi\u00f9 veloce rispetto a Ext4 per l'accesso casuale ai dati \u2014 con un livello di compressione di 4, EROFS si \u00e8 rivelato quasi 3 volte pi\u00f9 veloce su memoria Flash e 6 volte pi\u00f9 veloce su disco rigido.
\n
Fonte: 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-novosti-interneta"],"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\udd47Le versioni Live di Fedora intendono passare da SquashFS a EROFS | ProHoster","description":"Nel rilascio di Fedora 42, previsto per la fine di aprile, si prevede di migrare tutte le versioni Live della distribuzione da SquashFS al file system EROFS, il cui supporto \u00e8 stato implementato l'anno scorso negli strumenti per la creazione di immagini di avvio Dracut 103. La proposta non \u00e8 ancora stata approvata dal comitato FESCo (Fedora Engineering Steering Committee), responsabile della parte tecnica dello sviluppo della distribuzione Fedora. 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\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 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