{"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\/ro\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"Compania Oracle a lansat nucleul Unbreakable Enterprise Kernel R6U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Oracle a lansat a doua actualizare func\u021bional\u0103 pentru nucleul Unbreakable Enterprise Kernel R6, destinat utiliz\u0103rii \u00een distribu\u021bia Oracle Linux ca alternativ\u0103 la pachetul standard cu nucleul Red Hat Enterprise Linux. Nucleul este disponibil pentru arhitecturile x86_64 \u0219i ARM64 (aarch64). Codul surs\u0103 al nucleului, inclusiv divizarea \u00een patch-uri separate, a fost publicat \u00een depozitul Git public al Oracle.    <\/p>\n<p>Pachetul Unbreakable Enterprise Kernel 6 se bazeaz\u0103 pe nucleul Linux 5.4 (UEK R5 bazat pe nucleul 4.14), care este \u00eembun\u0103t\u0103\u021bit cu noi func\u021bionalit\u0103\u021bi, optimiz\u0103ri \u0219i corec\u021bii, fiind de asemenea verificat pentru compatibilitate cu majoritatea aplica\u021biilor care ruleaz\u0103 \u00een RHEL \u0219i special optimizat pentru a func\u021biona cu software-ul \u0219i hardware-ul industrial Oracle. Pachetele de instalare \u0219i cele surs\u0103 cu nucleul UEK R6 au fost preg\u0103tite pentru Oracle Linux 7.x \u0219i 8.x.       <\/p>\n<p>Modific\u0103ri principale:  <\/p>\n<ul>\n<li class=\"l\">  Pentru cgroups a fost ad\u0103ugat un nou controler de distribu\u021bie a memoriei slab (slab memory controller), care se remarc\u0103 prin mutarea contabiliz\u0103rii slab de la nivelul paginilor de memorie la nivelul obiectelor nucleului, ceea ce permite partajarea paginilor slab \u00eentre diferite cgroup-uri, \u00een loc de alocarea unor cache-uri slab separate pentru fiecare cgroup. Abordarea propus\u0103 permite cre\u0219terea eficien\u021bei utiliz\u0103rii slab, reduc\u00e2nd volumul de memorie pentru slab cu p\u00e2n\u0103 la 50%, diminu\u00e2nd semnificativ consumul total de memorie al nucleului \u0219i reduc\u00e2nd fragmentarea memoriei.\n<li class=\"l\"> Pentru dispozitivele Mellanox ConnectX-6 Dx a fost ad\u0103ugat un nou driver vpda cu suport pentru framework-ul vDPA (vHost Data Path Acceleration), care permite utilizarea acceler\u0103rii hardware pentru intrare\/ie\u0219ire \u00een ma\u0219inile virtuale bazate pe VirtIO.\n<li class=\"l\"> \u00cembun\u0103t\u0103\u021birile legate de suportul pentru dispozitive NVMe au fost transferate din nucleul Linux 5.9.\n<li class=\"l\"> Corec\u021biile \u0219i \u00eembun\u0103t\u0103\u021birile pentru sistemele de fi\u0219iere Btrfs, CIFS, ext4, NFS, OCFS2 \u0219i XFS au fost transferate.\n<li class=\"l\"> Driverele au fost actualizate, inclusiv lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) cu suport pentru modul de 256 gigabi\u021bi pentru 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\"> Suport experimental ad\u0103ugat <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, implementat\u0103 la nivelul nucleului.\n<li class=\"l\">  \u00cen NFS a fost ad\u0103ugat\u0103 suport experimental pentru capacitatea de copiere direct\u0103 a fi\u0219ierelor \u00eentre <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-dusseldorf\/\"   title=\"servers\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">servers<\/a>, definit\u0103 \u00een specifica\u021bia NFS 4.2\n<li class=\"l\"> \u00cen planificatorul de sarcini a fost implementat\u0103 o func\u021bionalitate experimental\u0103 de restric\u021bionare a execu\u021biei paralele a sarcinilor importante pe diferite nuclee CPU, pentru a bloca canalele de scurgere asociate cu utilizarea cache-ului comun \u00een CPU.       <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54896\">opennet.ro<\/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 5.0.2.1 - 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 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