{"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\/es\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"La empresa Oracle ha lanzado el n\u00facleo Unbreakable Enterprise Kernel R6U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La empresa Oracle ha lanzado la segunda actualizaci\u00f3n funcional del n\u00facleo Unbreakable Enterprise Kernel R6, que est\u00e1 posicionado para su uso en la distribuci\u00f3n Oracle Linux como alternativa al paquete est\u00e1ndar con el n\u00facleo de Red Hat Enterprise Linux. El n\u00facleo est\u00e1 disponible para arquitecturas x86_64 y ARM64 (aarch64). Los c\u00f3digos fuente del n\u00facleo, incluidos los parches individuales, se han publicado en un repositorio Git p\u00fablico de Oracle.    <\/p>\n<p>El paquete Unbreakable Enterprise Kernel 6 se basa en el n\u00facleo Linux 5.4 (el UEK R5 se basaba en el n\u00facleo 4.14), y se complementa con nuevas funcionalidades, optimizaciones y correcciones, adem\u00e1s de estar probado en compatibilidad con la mayor\u00eda de las aplicaciones que funcionan en RHEL y estar especialmente optimizado para trabajar con software y hardware industrial de Oracle. Los paquetes de instalaci\u00f3n y src del n\u00facleo UEK R6 est\u00e1n preparados para Oracle Linux 7.x y 8.x.       <\/p>\n<p>Principales cambios:  <\/p>\n<ul>\n<li class=\"l\">  Se ha a\u00f1adido un nuevo controlador de distribuci\u00f3n de memoria slab (slab memory controller) para los cgroups, que se caracteriza por trasladar el conteo de slab del nivel de p\u00e1ginas de memoria al nivel de objetos del n\u00facleo, lo que permite compartir p\u00e1ginas slab entre diferentes cgroup en lugar de asignar cach\u00e9s slab separadas para cada cgroup. El enfoque propuesto permite aumentar la eficiencia del uso de slab, reducir en un 50% el tama\u00f1o de la memoria utilizada para slab, disminuir considerablemente el consumo total de memoria del n\u00facleo y reducir la fragmentaci\u00f3n de memoria.\n<li class=\"l\"> Se ha a\u00f1adido un nuevo controlador vpda para dispositivos Mellanox ConnectX-6 Dx con soporte para el marco vDPA (vHost Data Path Acceleration), que permite aprovechar la aceleraci\u00f3n de hardware para entradas\/salidas en m\u00e1quinas virtuales basada en VirtIO.\n<li class=\"l\"> Se han trasladado mejoras del n\u00facleo Linux 5.9 relacionadas con el soporte de dispositivos NVMe.\n<li class=\"l\"> Se han trasladado correcciones y mejoras para los sistemas de archivos Btrfs, CIFS, ext4, NFS, OCFS2 y XFS.\n<li class=\"l\"> Se han actualizado los controladores, incluidos lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) con soporte para modo de 256 gigabits para 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\"> Se ha a\u00f1adido soporte experimental para <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, implementada a nivel del n\u00facleo.\n<li class=\"l\">  En NFS se ha a\u00f1adido soporte experimental para la posibilidad de copiar archivos directamente entre <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-dusseldorf\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">servidores<\/a>, especificado en la especificaci\u00f3n NFS 4.2\n<li class=\"l\"> En el programador de tareas se ha implementado una funci\u00f3n experimental para limitar la ejecuci\u00f3n paralela de tareas importantes en diferentes n\u00facleos de CPU, con el fin de bloquear los canales de fuga asociados con el uso de la cach\u00e9 compartida en la CPU.       <\/ul>\n<p>Fuente: <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 \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 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