{"id":99653,"date":"2021-04-04T16:22:47","date_gmt":"2021-04-04T14:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2"},"modified":"2021-04-04T16:22:47","modified_gmt":"2021-04-04T14:22:47","slug":"kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"La soci\u00e9t\u00e9 Oracle a publi\u00e9 le noyau Unbreakable Enterprise Kernel R6U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La soci\u00e9t\u00e9 Oracle a publi\u00e9 la deuxi\u00e8me mise \u00e0 jour fonctionnelle pour le noyau Unbreakable Enterprise Kernel R6, qui est positionn\u00e9 pour \u00eatre utilis\u00e9 dans la distribution Oracle Linux comme alternative au noyau fourni avec Red Hat Enterprise Linux. Le noyau est disponible pour les architectures x86_64 et ARM64 (aarch64). Les codes sources du noyau, y compris la r\u00e9partition en patches individuels, sont publi\u00e9s dans le r\u00e9f\u00e9rentiel Git public d'Oracle.    <\/p>\n<p>Le package Unbreakable Enterprise Kernel 6 est bas\u00e9 sur le noyau Linux 5.4 (UEK R5 \u00e9tait bas\u00e9 sur le noyau 4.14), qui est enrichi de nouvelles fonctionnalit\u00e9s, optimisations et corrections, et qui a \u00e9t\u00e9 v\u00e9rifi\u00e9 pour garantir la compatibilit\u00e9 avec la plupart des applications fonctionnant sous RHEL, tout en \u00e9tant sp\u00e9cialement optimis\u00e9 pour fonctionner avec le logiciel et le mat\u00e9riel industriels d'Oracle. Les packages d'installation et src du noyau UEK R6 ont \u00e9t\u00e9 pr\u00e9par\u00e9s pour Oracle Linux 7.x et 8.x.       <\/p>\n<p>Principales modifications :  <\/p>\n<ul>\n<li class=\"l\">  Pour les cgroups, un nouveau contr\u00f4leur de distribution de m\u00e9moire slab (slab memory controller) a \u00e9t\u00e9 ajout\u00e9, remarqu\u00e9 pour le transfert du suivi des slab du niveau des pages m\u00e9moire vers le niveau des objets noyau, permettant le partage des pages slab entre diff\u00e9rents cgroup, au lieu d'allouer des caches slab distincts pour chaque cgroup. L'approche propos\u00e9e permet d'am\u00e9liorer l'efficacit\u00e9 de l'utilisation des slab, de r\u00e9duire de 50 % la taille de la m\u00e9moire utilis\u00e9e pour les slab, de diminuer significativement la consommation de m\u00e9moire globale par le noyau et de r\u00e9duire la fragmentation de la m\u00e9moire.\n<li class=\"l\"> Pour les appareils Mellanox ConnectX-6 Dx, un nouveau pilote vpda a \u00e9t\u00e9 ajout\u00e9 avec support du cadre vDPA (vHost Data Path Acceleration), permettant d'utiliser l'acc\u00e9l\u00e9ration mat\u00e9rielle pour I\/O dans les machines virtuelles bas\u00e9e sur VirtIO.\n<li class=\"l\"> Des am\u00e9liorations concernant le support des appareils NVMe ont \u00e9t\u00e9 transf\u00e9r\u00e9es depuis le noyau Linux 5.9.\n<li class=\"l\"> Des corrections et am\u00e9liorations ont \u00e9t\u00e9 apport\u00e9es aux syst\u00e8mes de fichiers Btrfs, CIFS, ext4, NFS, OCFS2 et XFS.\n<li class=\"l\"> Les pilotes ont \u00e9t\u00e9 mis \u00e0 jour, y compris lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) avec support du mode 256 gigabits pour SCSI Fibre Channel, mpt3sas 36.100.00.00 (LSI MPT Fusion SAS 3.0), qla2xxx 0.02.00.103-k (QLogic Fibre Channel HBA).\n<li class=\"l\"> Support exp\u00e9rimental ajout\u00e9 pour <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, impl\u00e9ment\u00e9 au niveau du noyau.\n<li class=\"l\">  Dans NFS, un support exp\u00e9rimental a \u00e9t\u00e9 ajout\u00e9 pour la possibilit\u00e9 de copier directement des fichiers entre <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-dusseldorf\/\"   title=\"serveurs tr\u00e8s charg\u00e9s\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">serveurs tr\u00e8s charg\u00e9s<\/a>, d\u00e9fini dans la sp\u00e9cification NFS 4.2\n<li class=\"l\"> Dans le planificateur de t\u00e2ches, une fonctionnalit\u00e9 exp\u00e9rimentale a \u00e9t\u00e9 mise en \u0153uvre pour limiter l'ex\u00e9cution parall\u00e8le de t\u00e2ches importantes sur diff\u00e9rents c\u0153urs CPU, afin de bloquer les canaux de fuite li\u00e9s \u00e0 l'utilisation du cache partag\u00e9 dans le CPU.       <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54896\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u0432\u0442\u043e\u0440\u043e\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Unbreakable Enterprise Kernel R6, \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 Oracle Linux \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u044b \u0448\u0442\u0430\u0442\u043d\u043e\u043c\u0443 \u043f\u0430\u043a\u0435\u0442\u0443 \u0441 \u044f\u0434\u0440\u043e\u043c \u0438\u0437 Red Hat Enterprise Linux. \u042f\u0434\u0440\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86_64 \u0438 ARM64 (aarch64). \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u044f\u0434\u0440\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0440\u0430\u0437\u0431\u0438\u0432\u043a\u0443 \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0430\u0442\u0447\u0438, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u043c Git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 Oracle. \u041f\u0430\u043a\u0435\u0442 Unbreakable Enterprise [&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-99653","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 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