{"id":108061,"date":"2023-04-25T00:48:19","date_gmt":"2023-04-24T22:48:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=108061"},"modified":"2023-04-25T08:22:37","modified_gmt":"2023-04-25T06:22:37","slug":"vypusk-criu-3-18-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-criu-3-18-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Vydanie CRIU 3.18, syst\u00e9mu na ukladanie a obnovenie stavu procesov v Linuxe","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol sa zverejnen\u00fd vydanie n\u00e1stroja CRIU 3.18 (Checkpoint and Restore In Userspace), ur\u010den\u00e9ho na uchov\u00e1vanie a obnovenie procesov v u\u017e\u00edvate\u013eskom priestore. N\u00e1stroj umo\u017e\u0148uje ulo\u017ei\u0165 stav jedn\u00e9ho alebo skupiny procesov a potom obnovi\u0165 pr\u00e1cu zo zachovanej poz\u00edcie, vr\u00e1tane po re\u0161tarte syst\u00e9mu alebo na inom serveri bez preru\u0161enia u\u017e nadviazan\u00fdch sie\u0165ov\u00fdch spojen\u00ed. K\u00f3d projektu je distribuovan\u00fd pod licenciou GPLv2.    <\/p>\n<p>Medzi oblasti pou\u017eitia technol\u00f3gie CRIU patr\u00ed zabezpe\u010denie re\u0161tartu OS bez naru\u0161enia kontinuity vykon\u00e1vania dlhodob\u00fdch procesov, live migr\u00e1cia izolovan\u00fdch kontajnerov, ur\u00fdchlenie sp\u00fa\u0161\u0165ania pomal\u00fdch procesov (je mo\u017en\u00e9 za\u010da\u0165 pr\u00e1cu zo stavu, ulo\u017een\u00e9ho po inicializ\u00e1cii), realiz\u00e1cia aktualiz\u00e1ci\u00ed jadra bez re\u0161tartu slu\u017eieb, pravideln\u00e9 uchov\u00e1vanie stavu dlhodob\u00fdch v\u00fdpo\u010dtov\u00fdch \u00faloh na obnovenie po hav\u00e1rii, za\u0165a\u017eenie vyv\u00e1\u017eenia uzlov v klastroch, duplikovanie procesov na in\u00fd stroj (fork na vzdialen\u00fd syst\u00e9m), vytv\u00e1ranie sn\u00edmok u\u017e\u00edvate\u013esk\u00fdch aplik\u00e1ci\u00ed v priebehu pr\u00e1ce na ich anal\u00fdzu na inom syst\u00e9me alebo pre pr\u00edpad, ak bude potrebn\u00e9 zru\u0161i\u0165 \u010fal\u0161ie akcie v programe. CRIU sa pou\u017e\u00edva v syst\u00e9moch spr\u00e1vy kontajnerov, ako s\u00fa OpenVZ, LXC\/LXD a Docker. Potrebn\u00e9 zmeny na podporu CRIU s\u00fa zahrnut\u00e9 v hlavnom jadre Linux.      <\/p>\n<p>V novom vydan\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Bola poskytnut\u00e1 mo\u017enos\u0165 pou\u017e\u00edvania CRIU bez pr\u00e1v root.\n<li class=\"l\"> Pridan\u00e1 podpora sign\u00e1lu SIGTSTP (interakt\u00edvny sign\u00e1l na pozastavenie vykon\u00e1vania, ktor\u00fd na rozdiel od SIGSTOP m\u00f4\u017ee by\u0165 spracovan\u00fd a ignorovan\u00fd).\n<li class=\"l\"> Pridan\u00fd parameter &#171;&#8212;skip-file-rwx-check&#187; na presko\u010denie kontroly pr\u00edstupov\u00fdch pr\u00e1v k s\u00faboru (r\/w\/x) pri obnove.\n<li class=\"l\"> Pridan\u00e1 podpora volieb IP_PKTINFO a IPV6_RECVPKTINFO.\n<li class=\"l\"> Pre platformy ARM bola implementovan\u00e1 podpora hardv\u00e9rov\u00fdch bodov zastavenia.\n<li class=\"l\"> Pridan\u00e1 optimaliz\u00e1cia bodov ukladania pre ve\u013emi zriedkav\u00e9 ghost-s\u00fabory (&#8212;ghost-fiemap).    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59024\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f CRIU 3.18 (Checkpoint and Restore In Userspace), \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u043b\u0438 \u0433\u0440\u0443\u043f\u043f\u044b \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0430 \u0437\u0430\u0442\u0435\u043c \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0441\u043e\u0445\u0440\u0430\u043d\u0451\u043d\u043d\u043e\u0439 \u043f\u043e\u0437\u0438\u0446\u0438\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u043e\u0441\u043b\u0435 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438\u043b\u0438 \u043d\u0430 \u0434\u0440\u0443\u0433\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0431\u0435\u0437 \u0440\u0430\u0437\u0440\u044b\u0432\u0430 \u0443\u0436\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&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-108061","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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3.18, \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 Linux | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f CRIU 3.18 (Checkpoint and Restore In Userspace), \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 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