{"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\/hu\/blog\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"A Fedora \u00e9l\u0151 kiad\u00e1sait a SquashFS-r\u0151l az EROFS-ra k\u00edv\u00e1nj\u00e1k \u00e1t\u00e1ll\u00edtani","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Fedora 42 kiad\u00e1s\u00e1nak tervezett id\u0151pontja \u00e1prilis v\u00e9g\u00e9n van, \u00e9s a terv szerint az \u00f6sszes Live-kiad\u00e1st \u00e1tkonvert\u00e1lj\u00e1k SquashFS-r\u0151l EROFS f\u00e1jlrendszerre, amelynek t\u00e1mogat\u00e1s\u00e1t tavaly vezett\u00e9k be a Dracut 103 ind\u00edt\u00f3 k\u00e9pk\u00e9sz\u00edt\u0151 eszk\u00f6zben. A javaslatot m\u00e9g nem hagyta j\u00f3v\u00e1 a FESCo (Fedora Engineering Steering Committee), amely a Fedora disztrib\u00faci\u00f3 technikai fejleszt\u00e9s\u00e9\u00e9rt felel. <\/p>\n

A v\u00e1lt\u00e1s okai k\u00f6z\u00f6tt eml\u00edtik az EROFS akt\u00edvabb fejleszt\u00e9s\u00e9t (a SquashFS legutols\u00f3 kiad\u00e1sa 2023 tavasz\u00e1n volt), valamint az EROFS j\u00f6v\u0151beni kihaszn\u00e1lhat\u00f3, kib\u0151v\u00edtett lehet\u0151s\u00e9geit. Minden, csak olvashat\u00f3 m\u00f3dban m\u0171k\u00f6d\u0151 rendszerk\u00e9p alap\u00fa kiad\u00e1st EROFS-re k\u00edv\u00e1nnak \u00e1tkonvert\u00e1lni, p\u00e9ld\u00e1ul a KDE, Xfce, Budgie, LXQt, MiracleWM \u00e9s COSMIC Live-kiad\u00e1sokat, valamint a Fedora KDE Plasma Mobile \u00e9s Fedora CoreOS Live kiad\u00e1sokat. <\/p>\n

A SquashFS \u00e9s EROFS f\u00e1jlrendszerek a \"csak olvas\u00e1sra\" m\u00f3dra lettek tervezve, \u00e9s t\u00f6m\u00f6r\u00edtett form\u00e1ban t\u00e1rolj\u00e1k a metaadatokat \u00e9s az adatokat. Az EROFS (Extendable Read-Only File System) a Huawei \u00e1ltal kifejlesztett f\u00e1jlrendszer, amely a maxim\u00e1lis teljes\u00edtm\u00e9ny el\u00e9r\u00e9s\u00e9re \u00f6sszpontos\u00edt. Az EROFS egy olyan t\u00f6m\u00f6r\u00edt\u00e9si m\u00f3dszert alkalmaz, amely elt\u00e9r a t\u00f6bbi f\u00e1jlrendszert\u0151l, l\u00e9nyeg\u00e9ben a t\u00f6m\u00f6r\u00edtett blokkok fix m\u00e9ret\u00e9nek haszn\u00e1lat\u00e1n alapul (m\u00e1s f\u00e1jlrendszerekn\u00e9l a blokkok a t\u00f6m\u00f6r\u00edt\u00e9s el\u0151tt fixek, m\u00edg a t\u00f6m\u00f6r\u00edt\u00e9s ut\u00e1n a m\u00e9ret elt\u00e9r\u0151). <\/p>\n

A SquashFS-hez k\u00e9pest az EROFS t\u00f6m\u00f6r\u00edt\u00e9si szintje gyeng\u00e9bb (a k\u00e9pf\u00e1jl m\u00e9rete 2.7 GiB EROFS alatt, m\u00edg 2.0 GiB SquashFS alatt az XZ t\u00f6m\u00f6r\u00edt\u00e9si algoritmus haszn\u00e1lat\u00e1val, \u00e9s 3.9 GiB EROFS alatt, m\u00edg 3.1 GiB SquashFS alatt az LZ4 haszn\u00e1lat\u00e1val), de gyorsabb v\u00e9letlenszer\u0171 hozz\u00e1f\u00e9r\u00e9st \u00e9s nagyobb s\u00e1vsz\u00e9less\u00e9get biztos\u00edt (7.1 MiB\/s EROFS alatt, m\u00edg 5.0 MiB\/s SquashFS alatt az XZ eset\u00e9n, \u00e9s 30.9 MiB\/s EROFS alatt, m\u00edg 26.3 MiB\/s SquashFS alatt az LZ4 eset\u00e9n). Az Ext4-hez viszony\u00edtva az EROFS f\u00e1jlrendszer jelent\u0151sen gyorsabb a v\u00e9letlenszer\u0171 adathozz\u00e1f\u00e9r\u00e9s sor\u00e1n \u2013 n\u00e9gyes t\u00f6m\u00f6r\u00edt\u00e9si szinten az EROFS szinte h\u00e1romszor gyorsabb a Flash t\u00e1rol\u00f3n, \u00e9s hatodszor gyorsabb a merevlemezen.
\n
Forr\u00e1s: 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\udd47A Fedora Live-kiad\u00e1sait EROFS-re tervezik \u00e1tkonvert\u00e1lni SquashFS-r\u0151l | ProHoster","description":"A Fedora 42 kiad\u00e1s\u00e1nak tervezett id\u0151pontja \u00e1prilis v\u00e9g\u00e9n van, \u00e9s a terv szerint az \u00f6sszes Live-kiad\u00e1st \u00e1tkonvert\u00e1lj\u00e1k SquashFS-r\u0151l EROFS f\u00e1jlrendszerre, amelynek t\u00e1mogat\u00e1s\u00e1t tavaly vezett\u00e9k 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