{"id":123006,"date":"2025-03-26T10:22:54","date_gmt":"2025-03-26T08:22:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-criu-4-1-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2025-03-26T10:22:54","modified_gmt":"2025-03-26T08:22:54","slug":"vypusk-criu-4-1-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-criu-4-1-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Vyd\u00e1n\u00ed CRIU 4.1, syst\u00e9mu pro ukl\u00e1d\u00e1n\u00ed a obnovu stavu proces\u016f v Linuxu.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po \u0161esti m\u011bs\u00edc\u00edch v\u00fdvoje byl publikov\u00e1n n\u00e1stroj CRIU 4.1 (Checkpoint and Restore In Userspace), ur\u010den\u00fd k ukl\u00e1d\u00e1n\u00ed a obnov\u011b proces\u016f v u\u017eivatelsk\u00e9m prostoru. Tento n\u00e1stroj umo\u017e\u0148uje ulo\u017eit stav jednoho nebo skupiny proces\u016f a pot\u00e9 obnovit pr\u00e1ci ze ulo\u017een\u00e9 pozice, a to i po restartu syst\u00e9mu nebo na jin\u00e9m serveru, ani\u017e by do\u0161lo k p\u0159eru\u0161en\u00ed ji\u017e nav\u00e1zan\u00fdch s\u00ed\u0165ov\u00fdch spojen\u00ed. K\u00f3d projektu je naps\u00e1n v jazyce C a je distribuov\u00e1n pod licenc\u00ed GPLv2. CRIU se pou\u017e\u00edv\u00e1 v syst\u00e9mech spr\u00e1vy kontejner\u016f, jako jsou OpenVZ, LXC\/LXD a Docker. Pot\u0159ebn\u00e9 pro CRIU zm\u011bny jsou zahrnuty v j\u00e1dru 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\"> Byla p\u0159id\u00e1na podpora architektury RISC-V.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora mechanismu PIDFD, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edt nem\u011bnn\u00e9 identifik\u00e1tory, v\u00e1zan\u00e9 na p\u016fvodn\u00ed procesy (b\u011b\u017en\u00fd PID m\u016f\u017ee b\u00fdt p\u0159i\u0159azen jin\u00e9mu procesu po ukon\u010den\u00ed aktu\u00e1ln\u00edho procesu souvisej\u00edc\u00edho s t\u00edmto PID).\n<li class=\"l\"> Pro platformu ARM64 byla implementov\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed pro autentizaci ukazatel\u016f (PAC Pointer Authentication Code), kter\u00e1 zaji\u0161\u0165uj\u00ed kontrolu vracen\u00ed se adres pomoc\u00ed digit\u00e1ln\u00edch podpis\u016f, je\u017e jsou ulo\u017eeny v nepou\u017e\u00edvan\u00fdch vy\u0161\u0161\u00edch bitech samotn\u00e9ho ukazatele.\n<li class=\"l\"> Byly roz\u0161\u00ed\u0159eny mo\u017enosti ukl\u00e1d\u00e1n\u00ed a obnovy stavu aplikac\u00ed vyu\u017e\u00edvaj\u00edc\u00edch technologii NVIDIA CUDA.\n<li class=\"l\"> Byla poskytnuta mo\u017enost v\u00fdb\u011bru backendu blokov\u00e1n\u00ed s\u00edt\u011b b\u011bhem sestavov\u00e1n\u00ed, ani\u017e by bylo nutn\u00e9 upravovat k\u00f3d. Backend lze zm\u011bnit p\u0159ed\u00e1n\u00edm parametru NETWORK_LOCK_DEFAULT n\u00e1stroji make, kter\u00fd p\u0159ij\u00edm\u00e1 hodnoty \u201eNETWORK_LOCK_IPTABLES\u201c, \u201eNETWORK_LOCK_NFTABLES\u201c a \u201eNETWORK_LOCK_SKIP\u201c.\n<li class=\"l\"> Byla zahrnuta podpora generov\u00e1n\u00ed coredump soubor\u016f pro architektury Aarch64 a ARM.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62949\">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 4.1 (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-123006","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 4.1 (Checkpoint and Restore In Userspace), 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