{"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\/da\/blog\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"Live builds af Fedora planl\u00e6gger at skifte fra SquashFS til EROFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

I udgave af Fedora 42, planlagt til slutningen af april, forventes det, at alle Live-udgaver af distributionen overg\u00e5r fra SquashFS til filsystemet EROFS, hvis support sidste \u00e5r blev implementeret i v\u00e6rkt\u00f8jet til oprettelse af bootable billeder Dracut 103. Forslaget er endnu ikke godkendt af FESCo (Fedora Engineering Steering Committee), der er ansvarlig for den tekniske del af udviklingen af Fedora-distributionen. <\/p>\n

\u00c5rsagerne til overgangen n\u00e6vnes som en mere aktiv udvikling af EROFS (den seneste udgave af v\u00e6rkt\u00f8jet SquashFS blev udgivet for\u00e5rets 2023) og tilg\u00e6ngeligheden af avancerede funktioner i EROFS, som kan anvendes i fremtiden. M\u00e5let er at overf\u00f8re alle udgaver, der bruger et systembillede i skrivebeskyttet tilstand, herunder Live-udgaver med KDE, Xfce, Budgie, LXQt, MiracleWM og COSMIC, samt udgaverne Fedora KDE Plasma Mobile og Fedora CoreOS Live. <\/p>\n

Filssystemerne SquashFS og EROFS er designet til at fungere i tilstanden «kun l\u00e6sning» og sikrer en kompakt repr\u00e6sentation af metadata samt komprimeret datalagring. EROFS (Extendable Read-Only File System) er udviklet af Huawei og fokuserer p\u00e5 at opn\u00e5 maksimal ydeevne. I EROFS anvendes en metode til datakompression, der adskiller sig fra andre filsystemer, hvor man bruger de resulterende komprimerede blokke af fast st\u00f8rrelse (andre filsystemer har faste st\u00f8rrelser f\u00f8r kompression, mens st\u00f8rrelsen efter kompression bliver variabel). <\/p>\n

Sammenlignet med SquashFS har EROFS en d\u00e5rligere kompressionsgrad (billedst\u00f8rrelsen er 2.7 GiB i EROFS mod 2.0 GiB i SquashFS ved brug af XZ-kompressionsalgoritmen og 3.9 GiB mod 3.1 GiB ved LZ4), men h\u00f8jere hastighed for tilf\u00e6ldig adgang og b\u00e5ndbredde (7.1 MiB\/s i EROFS mod 5.0 MiB\/s i SquashFS for XZ og 30.9 MiB\/s mod 26.3 MiB\/s for LZ4). Ved sammenligning med Ext4 er EROFS betydeligt hurtigere til tilf\u00e6ldig dataadgang \u2014 ved et kompressionsniveau p\u00e5 4 viste EROFS sig at v\u00e6re n\u00e6sten 3 gange hurtigere p\u00e5 Flash-lagring og 6 gange hurtigere p\u00e5 harddisk.
\n
Kilde: 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\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\udd47Live-udgaver af Fedora planl\u00e6gger at overg\u00e5 fra SquashFS til EROFS | ProHoster","description":"I udgave af Fedora 42, planlagt til slutningen af april, forventes det, at alle Live-udgaver af distributionen overg\u00e5r fra SquashFS til filsystemet EROFS, hvis support sidste \u00e5r blev implementeret i 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