{"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\/sv\/blog\/news\/vypusk-criu-4-2-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Utg\u00e5van av CRIU 4.2, systemet f\u00f6r att spara och \u00e5terst\u00e4lla processers tillst\u00e5nd i Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter sex m\u00e5naders utveckling har version 4.2 av verktyget CRIU (Checkpoint and Restore In Userspace) publicerats, som \u00e4r avsett f\u00f6r att spara och \u00e5terst\u00e4lla processer i anv\u00e4ndarutrymmet. Verktyget till\u00e5ter anv\u00e4ndare att spara tillst\u00e5ndet f\u00f6r en eller flera processer och sedan \u00e5teruppta arbetet fr\u00e5n den sparade punkten, \u00e4ven efter systemomstart eller p\u00e5 en annan server utan att bryta redan etablerade n\u00e4tverkskopplingar. Projektkoden \u00e4r skriven i C och distribueras under GPLv2-licensen. CRIU anv\u00e4nds i containerhanteringssystem som OpenVZ, LXC\/LXD och Docker. N\u00f6dv\u00e4ndiga \u00e4ndringar f\u00f6r att anv\u00e4nda CRIU ing\u00e5r i den centrala Linux-k\u00e4rnan.      <\/p>\n<p>Inom till\u00e4mpningsomr\u00e5dena f\u00f6r CRIU-teknologin kan n\u00e4mnas att den m\u00f6jligg\u00f6r omstart av operativsystemet utan att bryta kontinuiteten f\u00f6r l\u00e5ngvarigt k\u00f6rande processer, live-migrering av isolerade containrar, snabbare start av l\u00e5ngsamma processer (man kan b\u00f6rja arbete fr\u00e5n det tillst\u00e5nd som sparades efter initiering), uppgradering av k\u00e4rnan utan att starta om tj\u00e4nster, periodisk lagring av tillst\u00e5ndet f\u00f6r l\u00e5ngvarigt k\u00f6rande ber\u00e4kningsuppgifter f\u00f6r att kunna \u00e5teruppta arbetet vid avbrott, belastningsbalansering p\u00e5 noder i kluster, duplicering av processer till en annan maskin (fork till ett avl\u00e4gset system), skapande av snapshots av anv\u00e4ndarapplikationer under k\u00f6rning f\u00f6r analys p\u00e5 ett annat system eller f\u00f6r att kunna \u00e5ngra framtida \u00e5tg\u00e4rder i programmet.     <\/p>\n<p>I den nya utg\u00e5van:  <\/p>\n<ul>\n<li class=\"l\"> I amdgpu-plugin har m\u00f6jligheten att parallellisera \u00e5terst\u00e4llandet av tillst\u00e5nd f\u00f6r processer som anv\u00e4nder GPU implementerats.\n<li class=\"l\"> Alternativ &#171;&#8212;allow-uprobes&#187; har lagts till, vilket g\u00f6r det m\u00f6jligt att arbeta med processer som anv\u00e4nder vma (Virtual Memory Area) vid sp\u00e5rning av processer genom uprobe-mekanismen.\n<li class=\"l\"> I libcriu-biblioteket har m\u00f6jligheten att ange en RPC-konfigurationsfil f\u00f6r runtime-containrar som anv\u00e4nder detta bibliotek, s\u00e5som crun, lagts till. Till exempel kan den implementerade m\u00f6jligheten vara anv\u00e4ndbar f\u00f6r att st\u00e4lla in alternativ s\u00e5som &#171;&#8212;tcp-established&#187; genom filen \/etc\/criu\/runc.conf f\u00f6r Kubernetes.\n<li class=\"l\"> Problem med kompilering p\u00e5 ARM64-system med musl C-biblioteket har l\u00f6sts.\n<li class=\"l\"> Heltalsoverflow i funktionen pagemap_len() har \u00e5tg\u00e4rdats.\n<li class=\"l\"> Problem med anv\u00e4ndningen av getsockopt-alternativen SO_PASSCRED och SO_PASSSEC p\u00e5 system med Linux-k\u00e4rna 6.16 har l\u00f6sts.        <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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 (Checkpoint and Restore In Userspace), 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