{"id":98813,"date":"2020-12-27T08:42:37","date_gmt":"2020-12-27T06:42:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/rabota-dnf-rpm-v-fedora-34-budet-uskorena"},"modified":"2020-12-27T08:42:37","modified_gmt":"2020-12-27T06:42:37","slug":"rabota-dnf-rpm-v-fedora-34-budet-uskorena","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/rabota-dnf-rpm-v-fedora-34-budet-uskorena","title":{"rendered":"Le fonctionnement de DNF\/RPM dans Fedora 34 sera acc\u00e9l\u00e9r\u00e9","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'un des changements pr\u00e9vus dans Fedora 34 sera l'utilisation de <strong>dnf-plugin-cow<\/strong>, qui acc\u00e9l\u00e9ra le fonctionnement de DNF\/RPM gr\u00e2ce \u00e0 la technique Copy on Write (CoW), mise en \u0153uvre au-dessus du syst\u00e8me de fichiers Btrfs.<\/p>\n<p>Comparaison entre les m\u00e9thodes d'installation\/mise \u00e0 jour actuelles et futures des paquets RPM dans Fedora.<\/p>\n<p>M\u00e9thode actuelle :<\/p>\n<ul>\n<li>D\u00e9composer la demande d'installation\/mise \u00e0 jour en une liste de paquets et d'actions.<\/li>\n<li>T\u00e9l\u00e9charger et v\u00e9rifier l'int\u00e9grit\u00e9 de nouveaux paquets.<\/li>\n<li>Installer\/mise \u00e0 jour les paquets s\u00e9quentiellement en utilisant des fichiers RPM, la d\u00e9compression et l'\u00e9criture de nouveaux fichiers sur le disque.<\/li>\n<\/ul>\n<p>M\u00e9thode future :<\/p>\n<ul>\n<li>D\u00e9composer la demande d'installation\/mise \u00e0 jour en une liste de paquets et d'actions.<\/li>\n<li>T\u00e9l\u00e9charger et simultan\u00e9ment <strong>d\u00e9compresser<\/strong> les paquets dans un <strong>fichier RPM localement optimis\u00e9.<\/strong> Installer\/mise \u00e0 jour les paquets s\u00e9quentiellement en utilisant des fichiers RPM et le reflinking pour r\u00e9utiliser les donn\u00e9es d\u00e9j\u00e0 pr\u00e9sentes sur le disque.<\/li>\n<li>Pour r\u00e9aliser le reflink, on utilise<\/li>\n<\/ul>\n<p><noindex><noindex><\/p>\n<p>ioctl_ficlonerange(2) <a rel=\"nofollow\" href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/ioctl_ficlonerange.2.html\">L'augmentation de performance attendue est de 50 %. Des donn\u00e9es plus pr\u00e9cises seront disponibles en janvier.<\/a><\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>L'augmentation de performance attendue est de 50 %. Des donn\u00e9es plus pr\u00e9cises seront disponibles en janvier.<\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/redhat\/16075245\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u0434\u043d\u0438\u043c \u0438\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0449\u0438\u0445\u0441\u044f \u0432 Fedora 34, \u0431\u0443\u0434\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 dnf-plugin-cow, \u0443\u0441\u043a\u043e\u0440\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0443 DNF\/RPM \u0437\u0430 \u0441\u0447\u0451\u0442 \u0442\u0435\u0445\u043d\u0438\u043a\u0438 Copy on Write (CoW), \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Btrfs. \u0421\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u0438 \u0431\u0443\u0434\u0443\u0449\u0435\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438\/\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f RPM \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 Fedora. \u0422\u0435\u043a\u0443\u0449\u0438\u0439 \u043c\u0435\u0442\u043e\u0434: \u0420\u0430\u0437\u043b\u043e\u0436\u0438\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438\/\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0438 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439. \u0421\u043a\u0430\u0447\u0430\u0442\u044c \u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u043d\u043e\u0432\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. \u041f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c\/\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-98813","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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