{"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\/cs\/blog\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"Live verze Fedora maj\u00ed v \u00famyslu p\u0159ej\u00edt z SquashFS na EROFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ve vyd\u00e1n\u00ed Fedora 42, kter\u00e9 je pl\u00e1nov\u00e1no na konec dubna, se pl\u00e1nuje p\u0159echod v\u0161ech Live verz\u00ed distribuce ze SquashFS na souborov\u00fd syst\u00e9m EROFS, jeho\u017e podpora byla loni implementov\u00e1na do n\u00e1stroje pro vytv\u00e1\u0159en\u00ed bootovateln\u00fdch obraz\u016f Dracut 103. N\u00e1vrh zat\u00edm nebyl schv\u00e1len v\u00fdborem FESCo (Fedora Engineering Steering Committee), kter\u00fd je odpov\u011bdn\u00fd za technickou \u010d\u00e1st v\u00fdvoje distribuce Fedora. <\/p>\n

Mezi d\u016fvody p\u0159echodu se uv\u00e1d\u00ed aktivn\u011bj\u0161\u00ed v\u00fdvoj EROFS (posledn\u00ed vyd\u00e1n\u00ed n\u00e1stroje SquashFS bylo na ja\u0159e 2023) a existence roz\u0161\u00ed\u0159en\u00fdch mo\u017enost\u00ed v EROFS, kter\u00e9 mohou b\u00fdt vyu\u017eity v budoucnu. Ve\u0161ker\u00e9 sestaven\u00ed, kter\u00e9 pou\u017e\u00edv\u00e1 syst\u00e9mov\u00fd obraz v re\u017eimu pouze pro \u010dten\u00ed, jako jsou Live verze s KDE, Xfce, Budgie, LXQt, MiracleWM a COSMIC, stejn\u011b jako edice Fedora KDE Plasma Mobile a Fedora CoreOS Live, se pl\u00e1nuj\u00ed p\u0159en\u00e9st na EROFS. <\/p>\n

Souborov\u00e9 syst\u00e9my SquashFS a EROFS jsou ur\u010deny pro provoz v re\u017eimu \u201epouze pro \u010dten\u00ed\u201c a poskytuj\u00ed kompaktn\u00ed reprezentaci metadat a ukl\u00e1d\u00e1n\u00ed dat ve zkomprimovan\u00e9 podob\u011b. Souborov\u00fd syst\u00e9m EROFS (Extendable Read-Only File System) byl vytvo\u0159en spole\u010dnost\u00ed Huawei a soust\u0159ed\u00ed se na dosa\u017een\u00ed maxim\u00e1ln\u00edho v\u00fdkonu. V EROFS se pou\u017e\u00edv\u00e1 odli\u0161n\u00e1 metoda komprese dat, kter\u00e1 spo\u010d\u00edv\u00e1 v pou\u017eit\u00ed v\u00fdsledn\u00fdch zkomprimovan\u00fdch blok\u016f pevn\u00e9 velikosti (v jin\u00fdch souborov\u00fdch syst\u00e9mech jsou bloky pevn\u00e9 p\u0159ed kompres\u00ed, a po kompresi dosahuj\u00ed r\u016fzn\u00fdch velikost\u00ed). <\/p>\n

V porovn\u00e1n\u00ed se SquashFS m\u00e1 EROFS hor\u0161\u00ed \u00farove\u0148 komprese (velikost obrazu 2,7 GiB v EROFS oproti 2,0 GiB v SquashFS p\u0159i pou\u017eit\u00ed kompresn\u00edho algoritmu XZ a 3,9 GiB oproti 3,1 GiB p\u0159i pou\u017eit\u00ed LZ4), ale nab\u00edz\u00ed vy\u0161\u0161\u00ed rychlost n\u00e1hodn\u00e9ho p\u0159\u00edstupu a propustnost (7,1 MiB\/s v EROFS oproti 5,0 MiB\/s v SquashFS pro XZ a 30,9 MiB\/s oproti 26,3 MiB\/s pro LZ4). P\u0159i porovn\u00e1n\u00ed s Ext4 je souborov\u00fd syst\u00e9m EROFS v\u00fdrazn\u011b rychlej\u0161\u00ed p\u0159i n\u00e1hodn\u00e9m p\u0159\u00edstupu k dat\u016fm \u2014 p\u0159i \u00farovni komprese 4 byl EROFS rychlej\u0161\u00ed na Flash \u00falo\u017ei\u0161ti t\u00e9m\u011b\u0159 t\u0159ikr\u00e1t a na pevn\u00e9m disku \u0161estkr\u00e1t v\u00edce.
\n
Zdroj: 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 verze Fedora maj\u00ed v \u00famyslu p\u0159ej\u00edt z SquashFS na EROFS | ProHoster","description":"Ve vyd\u00e1n\u00ed Fedora 42, kter\u00e9 je pl\u00e1nov\u00e1no na konec dubna, se pl\u00e1nuje p\u0159echod v\u0161ech Live verz\u00ed distribuce ze SquashFS na souborov\u00fd syst\u00e9m EROFS, jeho\u017e podpora byla loni implementov\u00e1na do n\u00e1stroje 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