{"id":148353,"date":"2025-11-14T11:11:55","date_gmt":"2025-11-14T09:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-criu-4-2-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2025-11-14T11:11:55","modified_gmt":"2025-11-14T09:11:55","slug":"vypusk-criu-4-2-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-criu-4-2-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Vyd\u00e1n\u00ed CRIU 4.2, syst\u00e9mu pro zachov\u00e1n\u00ed a obnoven\u00ed stavu proces\u016f v Linuxu.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po \u0161esti m\u011bs\u00edc\u00edch v\u00fdvoje byl vyd\u00e1n n\u00e1stroj CRIU 4.2 (Checkpoint and Restore In Userspace), kter\u00fd je ur\u010den k ukl\u00e1d\u00e1n\u00ed a obnovov\u00e1n\u00ed proces\u016f v u\u017eivatelsk\u00e9m prostoru. N\u00e1stroj umo\u017e\u0148uje ulo\u017eit stav jednotliv\u00e9ho nebo skupiny proces\u016f a n\u00e1sledn\u011b pokra\u010dovat s ulo\u017een\u00e9 pozice, v\u010detn\u011b situac\u00ed po restartu syst\u00e9mu nebo na jin\u00e9m serveru bez p\u0159eru\u0161en\u00ed ji\u017e nav\u00e1zan\u00fdch s\u00ed\u0165ov\u00fdch spojen\u00ed. K\u00f3d projektu je naps\u00e1n v programovac\u00edm jazyce C a je distribuov\u00e1n pod licenc\u00ed GPLv2. CRIU je pou\u017e\u00edv\u00e1n v syst\u00e9mech spr\u00e1vy kontejner\u016f, jako jsou OpenVZ, LXC\/LXD a Docker. Nezbytn\u00e9 zm\u011bny pro fungov\u00e1n\u00ed CRIU jsou zahrnuty v hlavn\u00ed sestav\u011b j\u00e1dra Linux.      <\/p>\n<p>Z oblast\u00ed pou\u017eit\u00ed technologie CRIU se uv\u00e1d\u00ed zaji\u0161t\u011bn\u00ed restartu OS bez naru\u0161en\u00ed kontinuity v\u00fdkonu dlouhodob\u011b b\u011b\u017e\u00edc\u00edch proces\u016f, live migrace izolovan\u00fdch kontejner\u016f, zrychlen\u00ed spu\u0161t\u011bn\u00ed pomal\u00fdch proces\u016f (lze zah\u00e1jit pr\u00e1ci ze stavu ulo\u017een\u00e9ho po inicializaci), prov\u00e1d\u011bn\u00ed aktualizac\u00ed j\u00e1dra bez restartu slu\u017eeb, periodick\u00e9 ukl\u00e1d\u00e1n\u00ed stavu dlouhodob\u011b prov\u00e1d\u011bn\u00fdch v\u00fdpo\u010detn\u00edch \u00faloh pro obnoven\u00ed \u010dinnosti v p\u0159\u00edpad\u011b havarijn\u00edho ukon\u010den\u00ed, vyva\u017eov\u00e1n\u00ed z\u00e1t\u011b\u017ee na uzlech v clusterech, duplikov\u00e1n\u00ed proces\u016f na jin\u00fd stroj (fork na vzd\u00e1len\u00fd syst\u00e9m), vytv\u00e1\u0159en\u00ed snapshot\u016f u\u017eivatelsk\u00fdch aplikac\u00ed v pr\u016fb\u011bhu pr\u00e1ce pro jejich anal\u00fdzu na jin\u00e9m syst\u00e9mu nebo pro p\u0159\u00edpad, kdy bude t\u0159eba zru\u0161it dal\u0161\u00ed akce v programu.     <\/p>\n<p>V nov\u00e9m vyd\u00e1n\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> V plug-inu amdgpu byla implementov\u00e1na mo\u017enost paraleln\u00edho obnoven\u00ed stav\u016f proces\u016f vyu\u017e\u00edvaj\u00edc\u00edch GPU.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;allow-uprobes&#187;, kter\u00e1 umo\u017e\u0148uje pracovat s procesy pou\u017e\u00edvaj\u00edc\u00edmi vma (Virtual Memory Area) p\u0159i sledov\u00e1n\u00ed proces\u016f prost\u0159ednictv\u00edm mechanismu uprobe.\n<li class=\"l\"> V knihovn\u011b libcriu byla p\u0159id\u00e1na mo\u017enost specifikovat konfigura\u010dn\u00ed soubor RPC pro runtime kontejnery vyu\u017e\u00edvaj\u00edc\u00ed tuto knihovnu, jako je crun. Nap\u0159\u00edklad tato mo\u017enost m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e1 pro nastavov\u00e1n\u00ed voleb, jako je &#171;&#8212;tcp-established&#187;, prost\u0159ednictv\u00edm souboru \/etc\/criu\/runc.conf pro Kubernetes.\n<li class=\"l\"> Byly vy\u0159e\u0161eny probl\u00e9my s kompilac\u00ed na syst\u00e9mech ARM64 s C knihovnou musl.\n<li class=\"l\"> Byla odstran\u011bna probl\u00e9m s celo\u010d\u00edseln\u00fdm p\u0159ete\u010den\u00edm v funkci pagemap_len().\n<li class=\"l\"> Byly vy\u0159e\u0161eny probl\u00e9my s pou\u017eit\u00edm getsockopt voleb SO_PASSCRED a SO_PASSSEC na syst\u00e9mech s j\u00e1drem Linux 6.16.        <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64248\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\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 4.2 (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 [&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-148353","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=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\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 4.2 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