{"id":34910,"date":"2019-10-31T22:01:11","date_gmt":"2019-10-31T19:01:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2\/"},"modified":"2019-10-31T22:01:11","modified_gmt":"2019-10-31T19:01:11","slug":"kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2","title":{"rendered":"Oracle ha lanzado el n\u00facleo Unbreakable Enterprise Kernel R5U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Empresa Oracle <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/linux\/announcing-the-general-availability-of-the-unbreakable-enterprise-kernel-release-5-update-2\">lanz\u00f3<\/a><\/noindex> segunda actualizaci\u00f3n funcional para el n\u00facleo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48813\">Unbreakable Enterprise Kernel R5<\/a><\/noindex>, dise\u00f1ado para su uso en la distribuci\u00f3n de Oracle Linux como alternativa al paquete est\u00e1ndar con 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, <noindex><a rel=\"nofollow\" href=\"https:\/\/oss.oracle.com\/git\/?p=linux-uek.git;a=summary\">se publicaron<\/a><\/noindex> en el repositorio p\u00fablico de Git de Oracle.<\/p>\n<p>El paquete Unbreakable Enterprise Kernel 5 se basa en el n\u00facleo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47513\">Linux 4.14<\/a><\/noindex> (UEK R4 se bas\u00f3 en el n\u00facleo 4.1), que se complementa con nuevas funcionalidades, optimizaciones y correcciones, adem\u00e1s de estar comprobado para ser compatible con la mayor\u00eda de las aplicaciones que funcionan en RHEL, y especialmente optimizado para trabajar con software y hardware industrial de Oracle. Paquetes de instalaci\u00f3n y src con el n\u00facleo UEK R5U1 <noindex><a rel=\"nofollow\" href=\"https:\/\/yum.oracle.com\/oracle-linux-7.html\">preparadas<\/a><\/noindex> para Oracle Linux 7.5 y 7.6 (no hay obst\u00e1culos para usar este n\u00facleo en versiones similares de RHEL, CentOS y Scientific Linux). <\/p>\n<p>Mejoras clave <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/index.html\">mejoras<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Se han trasladado parches con la implementaci\u00f3n del subsistema PSI (Pressure Stall Information), que permite analizar informaci\u00f3n sobre el tiempo de espera para obtener diversos recursos (CPU, memoria, entrada\/salida) para tareas espec\u00edficas o conjuntos de procesos en cgroup. Con PSI, los controladores en espacio de usuario pueden evaluar con mayor precisi\u00f3n el nivel de carga del sistema y la naturaleza de la desaceleraci\u00f3n, en comparaci\u00f3n con el Promedio de Carga;\n<li class=\"l\"> Para cgroup2 se ha incluido el controlador de recursos cpuset, que proporciona un mecanismo para limitar la colocaci\u00f3n de tareas seg\u00fan los nodos de memoria y CPU de NUMA, permitiendo el uso solo de los recursos definidos para el grupo de tareas a trav\u00e9s de la interfaz del sistema de archivos pseudo cpuset;\n<li class=\"l\"> Se ha implementado el marco ktask para la paralelizaci\u00f3n de tareas en el n\u00facleo que consumen recursos significativos de CPU. Por ejemplo, a trav\u00e9s de ktask se puede organizar la paralelizaci\u00f3n de operaciones de limpieza de rangos de p\u00e1ginas de memoria o el procesamiento de listas de inode;\n<li class=\"l\"> En DTrace <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-dtrace.html\">se ha a\u00f1adido<\/a><\/noindex> soporte para la captura de paquetes a trav\u00e9s de libpcap utilizando la nueva acci\u00f3n &#171;pcap(skb,proto)&#187;. Por ejemplo &#171;dtrace -n &#8216;ip:::send { pcap((void *)arg0, PCAP_IP); }'&#187;;\n<li class=\"l\"> De las nuevas versiones del n\u00facleo <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-fs.html\">se han trasladado<\/a><\/noindex> correcciones en la implementaci\u00f3n de los sistemas de archivos btrfs, CIFS, ext4, OCFS2 y XFS;\n<li class=\"l\"> Del n\u00facleo 4.19 <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-virt.html\">se han trasladado<\/a><\/noindex> cambios relacionados con el soporte de hipervisores KVM, Xen y Hyper-V;\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/ol_drvupd.html\">Actualizados<\/a><\/noindex> controladores de dispositivos y soporte ampliado para unidades NVMe (se han trasladado cambios de n\u00facleos desde 4.18 hasta 4.21);\n<li class=\"l\"> Se aplicaron configuraciones para optimizar el rendimiento en plataformas ARM.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50798\">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 R5, \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-34910","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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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