{"id":108436,"date":"2023-05-09T12:48:13","date_gmt":"2023-05-09T10:48:13","guid":{"rendered":"https:\/\/prohoster.info\/?p=108436"},"modified":"2023-05-10T08:54:57","modified_gmt":"2023-05-10T06:54:57","slug":"lennart-pottering-predlozhil-dobavit-v-systemd-rezhim-myagkoj-perezagruzki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/lennart-pottering-predlozhil-dobavit-v-systemd-rezhim-myagkoj-perezagruzki","title":{"rendered":"Lennart Pottering navrhol prida\u0165 do systemd re\u017eim m\u00e4kk\u00e9ho re\u0161tartu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Lennart Pottering povedal o pr\u00edprav\u00e1ch na pridanie do syst\u00e9mov\u00e9ho spr\u00e1vcu systemd re\u017eimu m\u00e4kk\u00e9ho re\u0161tartu («systemctl soft-reboot»), ktor\u00fd vedie k re\u0161tartu iba komponentov pou\u017e\u00edvate\u013esk\u00e9ho priestoru, bez zasahovania do jadra Linuxu. Pova\u017euje sa, \u017ee v porovnan\u00ed s be\u017en\u00fdm re\u0161tartom m\u00e4kk\u00fd re\u0161tart skr\u00e1ti dobu odst\u00e1vky po\u010das aktualiz\u00e1cie prostred\u00ed pou\u017e\u00edvaj\u00facich hotov\u00e9 syst\u00e9mov\u00e9 obrazy. <\/p>\n

Nov\u00fd re\u017eim umo\u017en\u00ed ukon\u010di\u0165 v\u0161etky procesy v pou\u017e\u00edvate\u013eskom priestore, po \u010dom sa nahrad\u00ed obraz kore\u0148ovej FS novou verziou a spust\u00ed sa inicia\u010dn\u00fd proces syst\u00e9mu bez re\u0161tartu jadra. Okrem toho uchovanie stavu be\u017eiaceho jadra pri v\u00fdmene pou\u017e\u00edvate\u013esk\u00e9ho prostredia umo\u017en\u00ed realizova\u0165 aktualiz\u00e1ciu niektor\u00fdch slu\u017eieb v live-re\u017eime, organizovan\u00edm prenosu s\u00faborov\u00fdch popisova\u010dov a po\u010d\u00favaj\u00facich sie\u0165ov\u00fdch soketov pre tieto slu\u017eby zo star\u00e9ho prostredia do nov\u00e9ho. T\u00fdmto sp\u00f4sobom bude mo\u017en\u00e9 podstatne skr\u00e1ti\u0165 \u010das v\u00fdmeny jednej verzie syst\u00e9mu za druh\u00fa a zabezpe\u010di\u0165 bezprobl\u00e9mov\u00fd prenos zdrojov najd\u00f4le\u017eitej\u0161\u00edm slu\u017eb\u00e1m, ktor\u00e9 bud\u00fa pokra\u010dova\u0165 v prev\u00e1dzke bez zastavenia. <\/p>\n

Zr\u00fdchlenie re\u0161tartu sa dosahuje vyl\u00fa\u010den\u00edm relat\u00edvne dlh\u00fdch f\u00e1z, ako je inicializ\u00e1cia hardv\u00e9ru, \u010dinnos\u0165 bootloadera, spustenie jadra, inicializ\u00e1cia ovl\u00e1da\u010dov, na\u010d\u00edtanie firmv\u00e9ru a spracovanie initrd. Na aktualiz\u00e1ciu jadra v kombin\u00e1cii s m\u00e4kk\u00fdm re\u0161tartom sa navrhuje pou\u017ei\u0165 mechanizmus livepatch na vykon\u00e1vanie opr\u00e1v v be\u017eiacom jadre Linux bez \u00fapln\u00e9ho re\u0161tartu a bez zastavenia pr\u00e1ce aplik\u00e1ci\u00ed.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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