{"id":183922,"date":"2026-10-21T17:40:28","date_gmt":"2026-10-21T15:40:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-criu-4-3-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2026-10-21T17:40:33","modified_gmt":"2026-10-21T15:40:33","slug":"criu-4-3-released-a-system-for-saving-and-restoring-process-state-in-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/criu-4-3-released-a-system-for-saving-and-restoring-process-state-in-linux","title":{"rendered":"CRIU 4.3 v\u00e4ljaanne, protsesside oleku salvestamise ja taastamise s\u00fcsteem Linuxis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast 11 kuu arendust\u00f6\u00f6d on v\u00e4lja antud t\u00f6\u00f6riista CRIU 4.3 (Checkpoints and Restore In Userspace) versioon, mis on m\u00f5eldud protsesside salvestamiseks ja taastamiseks kasutajaruumi. T\u00f6\u00f6riist v\u00f5imaldab salvestada \u00fche v\u00f5i r\u00fchma protsesside olekut ning seej\u00e4rel j\u00e4tkata t\u00f6\u00f6d salvestatud punktist, sealhulgas p\u00e4rast s\u00fcsteemi taask\u00e4ivitamist v\u00f5i teisel serveril, katkestamata juba loodud v\u00f5rgu\u00fchendusi. Projektikood on kirjutatud C keeles ja levitatakse GPLv2 litsentsi alusel. CRIU-d kasutatakse sellistes konteinerihalduse s\u00fcsteemides nagu OpenVZ, LXC\/LXD ja Docker. CRIU t\u00f6\u00f6ks vajalikud muudatused on lisatud Linuxi tuuma p\u00f5hilisse koosseisu.<\/p>\n<p>CRIU tehnoloogia rakendusalad h\u00f5lmavad operatsioonis\u00fcsteemi taask\u00e4ivitamist ilma pikaajaliste protsesside katkestamata, isoleeritud konteinerite elava migratsiooni, aeglaste protsesside k\u00e4ivitamise kiirendamist (t\u00f6\u00f6d saab alustada seisundist, mis on salvestatud p\u00e4rast algatamist), tuumauuenduste l\u00e4biviimist ilma teenuste taask\u00e4ivitamiseta, pikaajaliste arvutus\u00fclesannete oleku perioodilist salvestamist, et j\u00e4tkata t\u00f6\u00f6d p\u00e4rast juhuslikku katkestamist, koormuse jaotamist klastrite s\u00f5lmedes, protsesside kopeerimist teisele masinale (fork kaugmasinasse), kasutaja rakenduste snapshotide loomist t\u00f6\u00f6 protsessis nende anal\u00fc\u00fcsimiseks teises s\u00fcsteemis v\u00f5i juhul, kui on vaja programmis edasisi toiminguid t\u00fchistada. <\/p>\n<p>Uues v\u00e4ljaandes:<\/p>\n<ul>\n<li class=\"l\"> Tehtud on v\u00f5imalik kupload blokid ja m\u00e4lulehed LZ4 algoritmi ja mitme l\u00f5imega dekompressiooni abil.\n<li class=\"l\"> T\u00f5husust on suurendatud as\u00fcnkroonse sisendi\/v\u00e4ljundi (AIO) kasutuselev\u00f5tuga VMA (Virtuaalne M\u00e4lualade) lehtede taastamisel, uue meetodi abil \u00fclesannete peatamiseks ilma riistvaraliste peatamispunkte kasutamata ning memfd ja anon\u00fc\u00fcmse jagatud m\u00e4lu taastamise paralellumisega.\n<li class=\"l\"> Lisatud on ARM64 GCS (Guarded Control Stack) laienduse tugi, mis tagab funktsioonidest v\u00e4ljumise aadresside tagasiviimise riistvara kaitse. P\u00e4rast juhtimise andmist funktsioonidele salvestatakse processoris tagasiviimise aadressid mitte ainult tavap\u00e4rases kuhjas, vaid ka eraldi varjatud kuhjas, millega ei saa otse manipuleerida. Enne funktsioonist v\u00e4ljumist v\u00e4ljav\u00f5etakse tagasiviimise aadress varjatud kuhjast ja v\u00f5rreldakse p\u00f5hikuhja tagasiviimise aadressiga.\n<li class=\"l\"> Lisatud tagak\u00fclg NVIDIA CUDA seadme draiveri oleku salvestamiseks.\n<li class=\"l\"> Tagatud on GPU mappimise taastamine.\n<li class=\"l\"> Amdgpu draiveri jaoks on v\u00f5imaldatud DRM (Direct Rendering Manager) alam\u00fcsteemi puhverite ja DMA-BUF failide deskriptorite oleku salvestamine ja taastamine.\n<li class=\"l\"> Lisatud on k\u00e4sud m\u00e4lu piltide kokkut\u00f5mbamiseks ja dekompressiooniks offline-re\u017eiimis.\n<li class=\"l\"> Lisatud on tugi UID-identifikaatorite sidumise teavet v\u00f5rgu sokettide juurde salvestamiseks ja taastamiseks.\n<li class=\"l\"> Lisatud on valik &#171;&#8212;image-io-mode&#187;, et salvestada ja lugeda m\u00e4lulehek\u00fclgede pilte O_DIRECT re\u017eiimis (vahe\u00f5iguse vahelehe kanded).\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66509\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 11 \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 4.3 (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":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183922","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 11 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 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