{"id":101386,"date":"2021-09-23T22:22:39","date_gmt":"2021-09-23T20:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-criu-3-16-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2021-09-23T22:22:39","modified_gmt":"2021-09-23T20:22:39","slug":"vypusk-criu-3-16-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-criu-3-16-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux","title":{"rendered":"Sortie de CRIU 3.16, un syst\u00e8me pour sauvegarder et restaurer l'\u00e9tat des processus sous Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version 3.16 de l'outil CRIU (Checkpoint and Restore In Userspace) a \u00e9t\u00e9 publi\u00e9e, permettant la sauvegarde et la restauration 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 cet \u00e9tat sauvegard\u00e9, m\u00eame apr\u00e8s un red\u00e9marrage du syst\u00e8me ou sur un autre serveur sans interruption des connexions r\u00e9seau \u00e9tablies. Le code du projet est distribu\u00e9 sous la 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\"> La commande criu-ns a \u00e9t\u00e9 ajout\u00e9e, permettant de restaurer un instantan\u00e9 de processus sauvegard\u00e9 avec un nouvel identifiant PID et dans un espace de noms de points de montage distinct. Le d\u00e9marrage avec un autre PID peut \u00eatre n\u00e9cessaire, par exemple, si l'ancien PID est d\u00e9j\u00e0 utilis\u00e9 dans le syst\u00e8me.\n<li class=\"l\"> La possibilit\u00e9 de sauvegarder et de restaurer les instantan\u00e9s d'\u00e9tat des profils imbriqu\u00e9s apparmor a \u00e9t\u00e9 mise en \u0153uvre.\n<li class=\"l\"> La verrouillage et le d\u00e9verrouillage des ressources r\u00e9seau bas\u00e9es sur nftables ont \u00e9t\u00e9 r\u00e9alis\u00e9s.\n<li class=\"l\"> La prise en charge de la restauration des dispositifs veth pr\u00e9alablement cr\u00e9\u00e9s a \u00e9t\u00e9 ajout\u00e9e.\n<li class=\"l\"> L'assistance pour la restauration des conteneurs dans des pods existants a \u00e9t\u00e9 am\u00e9lior\u00e9e.\n<li class=\"l\"> Pour les clients RPC, une fonctionnalit\u00e9 de r\u00e9utilisation des PID a \u00e9t\u00e9 ajout\u00e9e, mise en \u0153uvre via le m\u00e9canisme pidfd.\n<li class=\"l\"> La licence de tous les fichiers proto dans le r\u00e9pertoire images\/ a \u00e9t\u00e9 chang\u00e9e en MIT.      <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55858\">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 3.16 (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-101386","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\" 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 3.16 (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 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