{"id":119910,"date":"2024-09-22T15:43:01","date_gmt":"2024-09-22T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-criu-4-0-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2024-09-22T15:43:01","modified_gmt":"2024-09-22T13:43:01","slug":"vypusk-criu-4-0-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-criu-4-0-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"CRIU 4.0 v\u00e4ljaanne, s\u00fcsteem, mis salvestab ja taastab protsesside seisundit Linuxis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud t\u00f6\u00f6riista CRIU 4.0 (Checkpoint and Restore In Userspace) v\u00e4ljaanne, mis on m\u00f5eldud protsesside salvestamiseks ja taastamiseks kasutaja ruumis. T\u00f6\u00f6riist v\u00f5imaldab salvestada \u00fche v\u00f5i mitme protsessi seisundi ning seej\u00e4rel j\u00e4tkata salvestatud positsioonilt, sealhulgas p\u00e4rast s\u00fcsteemi taask\u00e4ivitamist v\u00f5i teisele serverile \u00fcle minnes ilma juba loodud v\u00f5rgu\u00fchendusi katkestamata. Projekti kood on kirjutatud C keeles ja see on litsentseeritud GPLv2 alusel. CRIU-d kasutatakse konteinerihalduss\u00fcsteemides nagu OpenVZ, LXC\/LXD ja Docker. CRIU t\u00f6\u00f6ks vajalikud muudatused on kaasatud Linuxi tuumasse.      <\/p>\n<p>CRIU tehnoloogia rakendusaladeks on OS-i taask\u00e4ivitamise tagamine, katkestusteta pikaajaliste protsesside t\u00e4itmine, isoleeritud konteinerite reaalajas migreerimine, aeglaste protsesside k\u00e4ivitamise kiirendamine (saab alustada t\u00f6\u00f6d salvestatud seisundist p\u00e4rast initsialiseerimist), tuumauuenduste tegemine teenuseid taask\u00e4ivitamata, pikaajaliste arvutusts\u00fcklite seisundi perioodiline salvestamine nende j\u00e4tkamiseks, kui ilmneb rike, koormuse tasakaalustamine klastrites, protsesside dubleerimine teisele masinale (fork kaugmasinale), kasutajarakenduste olekute snapshotide loomine t\u00f6\u00f6tamise ajal nende anal\u00fc\u00fcsiks teises s\u00fcsteemis v\u00f5i juhul, kui on vajalik edasiste tegevuste t\u00fchistamine programmis.     <\/p>\n<p>Uues v\u00e4ljaandes:  <\/p>\n<ul>\n<li class=\"l\"> Lisatud CUDA plugin, mis v\u00f5imaldab salvestada ja taastada rakenduste seisundit, kasutades NVIDIA CUDA tehnoloogiat.\n<li class=\"l\"> Lisatud on Shadow Stack mehhanismi tugi, mida toetatakse alates Linuxi t\u00f5rukardist 6.6 ja mis v\u00f5imaldab blokeerida paljusid eksploitide toiminguid, kasutades Intel'i protsessorite riistvaralisi v\u00f5imalusi (p\u00e4rast funktsiooni kutsumist salvestatakse tagasip\u00f6\u00f6rdumise aadressid protsessori poolt mitte ainult tavalises virnas, vaid ka eraldi \"varjatud\" virnas, mida ei saa otse muuta, ning enne funktsioonist lahkumist t\u00f5mmatakse tagasip\u00f6\u00f6rdumise aadress varjatud virnast ja v\u00f5rreldakse peamise virna tagasip\u00f6\u00f6rdumise aadressiga).\n<li class=\"l\"> Lisatud toetamine ioctl-k\u00e4sku PAGEMAP_SCAN, et saada teavet m\u00e4lu lehek\u00fcljete tabelite sisu kohta, mis muu hulgas v\u00f5imaldab koos userfaultfd() kasutamisega kindlaks teha kindlatesse m\u00e4lu piirkondadesse kirjutamise juhtumeid.\n<li class=\"l\"> Rakendatud on v\u00f5imalus taastada voog \u00f5igesse cgroup v1.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61910\">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 4.0 (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 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 [&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-119910","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d 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