{"id":108061,"date":"2023-04-25T00:48:19","date_gmt":"2023-04-24T22:48:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=108061"},"modified":"2023-04-25T08:22:37","modified_gmt":"2023-04-25T06:22:37","slug":"vypusk-criu-3-18-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-criu-3-18-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Sortie de CRIU 3.18, un syst\u00e8me pour la sauvegarde et la restauration de l'\u00e9tat des processus sous Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version de l'outil CRIU 3.18 (Checkpoint and Restore In Userspace) a \u00e9t\u00e9 publi\u00e9e, permettant de sauvegarder et de restaurer des processus dans l'espace utilisateur. Cet outil permet de conserver l'\u00e9tat d'un ou plusieurs processus, puis de reprendre le travail \u00e0 partir de cette position sauvegard\u00e9e, m\u00eame apr\u00e8s un red\u00e9marrage du syst\u00e8me ou sur un autre serveur sans interrompre les connexions r\u00e9seau d\u00e9j\u00e0 \u00e9tablies. Le code du projet est sous licence GPLv2.    <\/p>\n<p>Parmi les applications de la technologie CRIU, on peut citer la possibilit\u00e9 de red\u00e9marrer le syst\u00e8me d'exploitation sans interrompre l'ex\u00e9cution de processus de longue dur\u00e9e, la migration en direct de conteneurs isol\u00e9s, l'acc\u00e9l\u00e9ration du d\u00e9marrage de processus lents (il est possible de commencer \u00e0 partir d'un \u00e9tat sauvegard\u00e9 apr\u00e8s l'initialisation), la mise \u00e0 jour du noyau sans red\u00e9marrer les services, la sauvegarde p\u00e9riodique de l'\u00e9tat des t\u00e2ches de calcul intensif afin de reprendre le travail en cas de crash, l'\u00e9quilibrage de la charge sur les n\u0153uds dans les clusters, la duplication de processus sur une autre machine (fork sur un syst\u00e8me distant), et la cr\u00e9ation de snapshots d'applications utilisateur en cours d'ex\u00e9cution pour leur analyse sur un autre syst\u00e8me ou au cas o\u00f9 il faudrait annuler les actions ult\u00e9rieures dans le programme. CRIU est utilis\u00e9 dans des syst\u00e8mes de gestion de conteneurs tels qu'OpenVZ, LXC\/LXD et Docker. Les modifications n\u00e9cessaires au fonctionnement de CRIU sont int\u00e9gr\u00e9es dans le noyau Linux principal.      <\/p>\n<p>Dans cette nouvelle version :  <\/p>\n<ul>\n<li class=\"l\"> Il est d\u00e9sormais possible d'utiliser CRIU sans droits root.\n<li class=\"l\"> Ajout du support du signal SIGTSTP (signal interactif de suspension de l'ex\u00e9cution qui, contrairement \u00e0 SIGSTOP, peut \u00eatre g\u00e9r\u00e9 et ignor\u00e9).\n<li class=\"l\"> Ajout\u00e9 le param\u00e8tre &#171;&#8212;skip-file-rwx-check&#187; pour ignorer la v\u00e9rification des permissions de fichier (r\/w\/x) lors de la restauration.\n<li class=\"l\"> Ajout du support des options IP_PKTINFO et IPV6_RECVPKTINFO.\n<li class=\"l\"> Sur les plateformes ARM, le support des points d'arr\u00eat mat\u00e9riels a \u00e9t\u00e9 impl\u00e9ment\u00e9.\n<li class=\"l\"> Optimisation des points de sauvegarde pour les fichiers fant\u00f4mes tr\u00e8s clairsem\u00e9s (&#8212;ghost-fiemap) ajout\u00e9e.    <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59024\">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 3.18 (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 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&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-108061","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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