{"id":35408,"date":"2019-10-31T22:04:10","date_gmt":"2019-10-31T19:04:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/dragonfly-bsd-5-6-0\/"},"modified":"2019-10-31T22:04:10","modified_gmt":"2019-10-31T19:04:10","slug":"dragonfly-bsd-5-6-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dragonfly-bsd-5-6-0","title":{"rendered":"DragonFly BSD 5.6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>17. \u010dervna 2019 byl p\u0159edstaven v\u00fdznamn\u00fd release opera\u010dn\u00edho syst\u00e9mu DragonFly BSD \u2013 Release56. Tento vyd\u00e1n\u00ed p\u0159in\u00e1\u0161\u00ed v\u00fdznamn\u00e1 zlep\u0161en\u00ed ve Virtual Memory System, aktualizace pro Radeon a TTM, a tak\u00e9 zlep\u0161en\u00ed v\u00fdkonu HAMMER2.<\/p>\n<p>DragonFly vznikl v roce 2003 jako odvozenina od FreeBSD verze 4. Z mnoha funkc\u00ed tohoto opera\u010dn\u00edho syst\u00e9mu lze vyzdvihnout n\u00e1sleduj\u00edc\u00ed:<\/p>\n<ul>\n<li>\n<p>Vysoce v\u00fdkonn\u00fd souborov\u00fd syst\u00e9m HAMMER2 \u2013 podpora z\u00e1pisu do v\u00edce sn\u00edmk\u016f sou\u010dasn\u011b, flexibiln\u00ed syst\u00e9m kv\u00f3t (v\u010detn\u011b adres\u00e1\u0159\u016f), inkrement\u00e1ln\u00ed zrcadlen\u00ed, komprese zalo\u017een\u00e1 na r\u016fzn\u00fdch algoritmech, distribuovan\u00e9 multi-master zrcadlen\u00ed. Mechanismus clusterov\u00e1n\u00ed je ve v\u00fdvoji.<\/p>\n<\/li>\n<li>\n<p>Hybridn\u00ed j\u00e1dro na b\u00e1zi lehk\u00fdch vl\u00e1ken s mo\u017enost\u00ed spou\u0161t\u011bt v\u00edce kopi\u00ed j\u00e1dra jako procesy v u\u017eivatelsk\u00e9m prostoru.<\/p>\n<\/li>\n<\/ul>\n<p>Hlavn\u00ed zm\u011bny vyd\u00e1n\u00ed<\/p>\n<ul>\n<li>\n<p>Bylo provedeno mno\u017estv\u00ed zm\u011bn v subsyst\u00e9mu virtu\u00e1ln\u00ed pam\u011bti, co\u017e v\u00fdrazn\u011b zlep\u0161ilo v\u00fdkon, a\u017e o 40-70 % na jednotliv\u00fdch typech operac\u00ed.<\/p>\n<\/li>\n<li>\n<p>Mnoho zm\u011bn v ovlada\u010di DRM pro Radeon a subsyst\u00e9mu spr\u00e1vy videopam\u011bti TTM pro grafick\u00e9 \u010dipy AMD.<\/p>\n<\/li>\n<li>\n<p>Zv\u00fd\u0161ena v\u00fdkonnost souborov\u00e9ho syst\u00e9mu HAMMER2.<\/p>\n<\/li>\n<li>\n<p>P\u0159id\u00e1na podpora FUSE v u\u017eivatelsk\u00e9m prostoru.<\/p>\n<\/li>\n<li>\n<p>Bylo realizov\u00e1no izolov\u00e1n\u00ed dat v CPU mezi syst\u00e9mem a u\u017eivatelsk\u00fdm re\u017eimem: SMAP (Supervisor Mode Access Prevention) a SMEP (Supervisor Mode Execution Prevention). Pro jejich aktivaci je nutn\u00e1 podpora ze strany CPU.<\/p>\n<\/li>\n<li>\n<p>Pro procesory Intel byla implementov\u00e1na ochrana proti \u00fatok\u016fm t\u0159\u00eddy MDS (Microarchitectural Data Sampling). Ve v\u00fdchoz\u00edm nastaven\u00ed je vypnuta, je nutn\u00e9 ji ru\u010dn\u011b aktivovat. Ochrana proti Spectre je ve v\u00fdchoz\u00edm nastaven\u00ed povolena.<\/p>\n<\/li>\n<li>\n<p>Pokra\u010duje migrace na LibreSSL.<\/p>\n<\/li>\n<li>\n<p>Byly aktualizov\u00e1ny verze t\u0159et\u00edch komponent OS.<\/p>\n<\/li>\n<\/ul>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/bsd\/15058519\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>17 \u0438\u044e\u043d\u044f 2019 \u0433\u043e\u0434\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DragonFly BSD &ndash; Release56. \u0412\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u0438\u0432\u043d\u043e\u0441\u0438\u0442 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0432 Virtual Memory System, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f Radeon \u0438 TTM, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 HAMMER2. DragonFly \u0432 2003 \u0433\u043e\u0434\u0443 \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u043a\u0430\u043a \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0442 FreeBSD 4-\u0439 \u0432\u0435\u0440\u0441\u0438\u0438. \u0418\u0437 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435: \u0412\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 HAMMER2 [&hellip;]<\/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-35408","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"17 \u0438\u044e\u043d\u044f 2019 \u0433\u043e\u0434\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DragonFly BSD \u2013 Release56.\" \/>\n\t<meta name=\"robots\" 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