{"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\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"Le build live di Fedora intendono passare da SquashFS a EROFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nella release di Fedora 42, prevista per la fine di aprile, si prevede di migrare tutte le versioni Live del sistema operativo da SquashFS al file system EROFS, il cui supporto \u00e8 stato implementato lo scorso anno 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. <\/p>\n

Tra le motivazioni per il passaggio viene citato lo sviluppo pi\u00f9 attivo di EROFS (l'ultimo rilascio degli strumenti SquashFS \u00e8 avvenuto nella primavera del 2023) e la presenza in EROFS di funzionalit\u00e0 avanzate che potrebbero essere sfruttate in futuro. Si prevede di migrare tutte le versioni che utilizzano un'immagine di sistema in modalit\u00e0 sola lettura, come le versioni Live con KDE, Xfce, Budgie, LXQt, MiracleWM e COSMIC, oltre alle edizioni Fedora KDE Plasma Mobile e Fedora CoreOS Live. <\/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 delle massime prestazioni. In EROFS viene utilizzato un metodo di compressione dei dati diverso rispetto ad altri FS, il cui obiettivo \u00e8 l'utilizzo di blocchi compressi di dimensioni fisse (in altri FS, i blocchi sono fissi prima della compressione, mentre dopo la compressione la dimensione risulta variabile). <\/p>\n

Rispetto a SquashFS, EROFS ha 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). In confronto a Ext4, il FS EROFS \u00e8 significativamente pi\u00f9 veloce nell'accesso casuale ai dati: con un livello di compressione di 4, il FS EROFS \u00e8 risultato fino a quasi 3 volte pi\u00f9 veloce su un'unit\u00e0 Flash e 6 volte pi\u00f9 veloce su un 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-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\udd47I live install di Fedora mirano a passare da SquashFS a EROFS | ProHoster","description":"Nella release di Fedora 42, prevista per la fine di aprile, si prevede di migrare tutte le versioni Live del sistema operativo da SquashFS al file system EROFS, il cui supporto \u00e8 stato implementato lo scorso anno negli strumenti 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