{"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\/hu\/blog\/news\/vypusk-criu-4-0-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"A CRIU 4.0 kiad\u00e1sa, egy rendszer a folyamatok \u00e1llapot\u00e1nak ment\u00e9s\u00e9re \u00e9s vissza\u00e1ll\u00edt\u00e1s\u00e1ra Linux alatt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a CRIU 4.0 (Checkpoint and Restore In Userspace) eszk\u00f6zk\u00e9szlet, amely a felhaszn\u00e1l\u00f3i t\u00e9rben fut\u00f3 folyamatok \u00e1llapot\u00e1nak meg\u0151rz\u00e9s\u00e9re \u00e9s helyre\u00e1ll\u00edt\u00e1s\u00e1ra szolg\u00e1l. Az eszk\u00f6zk\u00e9szlet lehet\u0151v\u00e9 teszi egy vagy csoportnyi folyamat \u00e1llapot\u00e1nak meg\u0151rz\u00e9s\u00e9t, amelyet k\u00e9s\u0151bb \u00fajra lehet kezdeni a meg\u0151rz\u00f6tt poz\u00edci\u00f3b\u00f3l, bele\u00e9rtve a rendszer \u00fajraind\u00edt\u00e1s\u00e1t vagy m\u00e1s szerverre val\u00f3 \u00e1thelyez\u00e9s\u00e9t megszak\u00edt\u00e1s n\u00e9lk\u00fcli h\u00e1l\u00f3zati kapcsolatokkal. A projekt k\u00f3dja C nyelven \u00edr\u00f3dott, \u00e9s GPLv2 licenc alatt ker\u00fcl forgalomba. A CRIU olyan kont\u00e9nerkezel\u0151 rendszerekben haszn\u00e1latos, mint az OpenVZ, LXC\/LXD \u00e9s Docker. A CRIU m\u0171k\u00f6d\u00e9s\u00e9hez sz\u00fcks\u00e9ges v\u00e1ltoztat\u00e1sok beker\u00fcltek a Linux kernel alap\u00e9rtelmezett \u00f6sszet\u00e9tel\u00e9be.      <\/p>\n<p>A CRIU technol\u00f3gia alkalmaz\u00e1si ter\u00fcletei k\u00f6z\u00e9 tartozik az oper\u00e1ci\u00f3s rendszer \u00fajraind\u00edt\u00e1sa an\u00e9lk\u00fcl, hogy megszak\u00edtan\u00e1nk a hossz\u00fa ideig fut\u00f3 folyamatok folytat\u00e1s\u00e1t, izol\u00e1lt kont\u00e9nerek \u00e9l\u0151 migr\u00e1ci\u00f3ja, lass\u00fa folyamatok ind\u00edt\u00e1s\u00e1nak felgyors\u00edt\u00e1sa (lehet\u0151s\u00e9g van a munka megkezd\u00e9s\u00e9re az inicializ\u00e1l\u00e1s ut\u00e1n meg\u0151rz\u00f6tt \u00e1llapotb\u00f3l), kernelfriss\u00edt\u00e9sek v\u00e9grehajt\u00e1sa a szolg\u00e1ltat\u00e1sok \u00fajraind\u00edt\u00e1sa n\u00e9lk\u00fcl, hossz\u00fa fut\u00e1s\u00fa sz\u00e1m\u00edt\u00e1si feladatok \u00e1llapot\u00e1nak peri\u00f3dikus meg\u0151rz\u00e9se a helyre\u00e1ll\u00edt\u00e1s c\u00e9lj\u00e1b\u00f3l, terhel\u00e9seloszt\u00e1s a klaszterek csom\u00f3pontjai k\u00f6z\u00f6tt, folyamatok m\u00e1s g\u00e9pre val\u00f3 m\u00e1sol\u00e1sa (fork egy t\u00e1voli rendszerre), felhaszn\u00e1l\u00f3i alkalmaz\u00e1sok pillanatfelv\u00e9teleinek k\u00e9sz\u00edt\u00e9se m\u0171k\u00f6d\u00e9s k\u00f6zben azok elemz\u00e9s\u00e9re egy m\u00e1sik rendszeren vagy arra az esetre, ha a program tov\u00e1bbi l\u00e9p\u00e9seit vissza kellene vonni.     <\/p>\n<p>Az \u00faj kiad\u00e1sban:  <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva a CUDA plug-in, amely lehet\u0151v\u00e9 teszi az NVIDIA CUDA technol\u00f3gi\u00e1n alapul\u00f3 alkalmaz\u00e1sok \u00e1llapot\u00e1nak meg\u0151rz\u00e9s\u00e9t \u00e9s helyre\u00e1ll\u00edt\u00e1s\u00e1t.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt a Shadow Stack mechanizmus t\u00e1mogat\u00e1sa, amely a Linux 6.6 kernelt\u0151l kezd\u0151d\u0151en \u00e9rhet\u0151 el, \u00e9s lehet\u0151v\u00e9 teszi sok exploit blokkol\u00e1s\u00e1t az Intel processzorok hardveres k\u00e9pess\u00e9geit kihaszn\u00e1lva. A vez\u00e9rl\u00e9s \u00e1tad\u00e1sa ut\u00e1n a visszat\u00e9r\u00e9si c\u00edmeket a processzor nemcsak a norm\u00e1l veremben, hanem egy k\u00fcl\u00f6n \"\u00e1rny\u00e9k\" veremben is t\u00e1rolja, amely k\u00f6zvetlen\u00fcl nem m\u00f3dos\u00edthat\u00f3. A f\u00fcggv\u00e9nyb\u0151l val\u00f3 kil\u00e9p\u00e9s el\u0151tt a visszat\u00e9r\u00e9si c\u00edm az \u00e1rny\u00e9k veremb\u0151l ker\u00fcl el\u0151h\u00edv\u00e1sra, \u00e9s \u00f6sszehasonl\u00edt\u00e1sra ker\u00fcl a f\u0151 veremben tal\u00e1lhat\u00f3 visszat\u00e9r\u00e9si c\u00edmmel.\n<li class=\"l\"> A PAGEMAP_SCAN ioctl command support has been added to retrieve information about the contents of memory page tables, which, among other things, allows you to identify write occurrences in a specific memory area when used with userfaultfd().\n<li class=\"l\"> The ability to restore a thread in the correct cgroup v1 has been implemented.<br \/>\n<br \/>Forr\u00e1s: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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