{"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\/sv\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"F\u00f6retaget Oracle har sl\u00e4ppt k\u00e4rnan Unbreakable Enterprise Kernel R6U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle har sl\u00e4ppt den andra funktionella uppdateringen f\u00f6r Unbreakable Enterprise Kernel R6, som positioneras f\u00f6r anv\u00e4ndning i Oracle Linux-distributionen som ett alternativ till den standardinstallation som anv\u00e4nder k\u00e4rnan fr\u00e5n Red Hat Enterprise Linux. K\u00e4rnan \u00e4r tillg\u00e4nglig f\u00f6r arkitekturerna x86_64 och ARM64 (aarch64). K\u00e4llkoden f\u00f6r k\u00e4rnan, inklusive uppdelning i enskilda patchar, har publicerats i Oracle's offentliga Git-repo.    <\/p>\n<p>Unbreakable Enterprise Kernel 6-paketet bygger p\u00e5 Linux 5.4-k\u00e4rnan (UEK R5 baserades p\u00e5 k\u00e4rna 4.14), vilket kompletteras med nya funktioner, optimeringar och korrigeringar, samt har testats f\u00f6r kompatibilitet med de flesta applikationer som k\u00f6rs i RHEL, och \u00e4r speciellt optimerat f\u00f6r att fungera med industriprogramvara och -utrustning fr\u00e5n Oracle. Installations- och src-paket med UEK R6-k\u00e4rnan har f\u00f6rberetts f\u00f6r Oracle Linux 7.x och 8.x.       <\/p>\n<p>Huvudsakliga f\u00f6r\u00e4ndringar:  <\/p>\n<ul>\n<li class=\"l\">  F\u00f6r cgroups har en ny slab-minneskontroller lagts till, som \u00e4r anm\u00e4rkningsv\u00e4rd f\u00f6r att ha flyttat redovisningen av slab fr\u00e5n sidniv\u00e5 till k\u00e4rnobjektsniv\u00e5. Detta m\u00f6jligg\u00f6r delning av slab-sidor mellan olika cgroup, ist\u00e4llet f\u00f6r att allokera separata slab-cache f\u00f6r varje cgroup. Den f\u00f6reslagna metoden \u00f6kar effektiviteten i anv\u00e4ndningen av slab, minskar storleken p\u00e5 det minne som anv\u00e4nds f\u00f6r slab med upp till 50%, minskar det totala minnesutnyttjandet av k\u00e4rnan och minskar minnesfragmentering.\n<li class=\"l\"> F\u00f6r Mellanox ConnectX-6 Dx-enheter har en ny vpda-drivrutin lagts till med st\u00f6d f\u00f6r vDPA (vHost Data Path Acceleration)-ramverk, vilket m\u00f6jligg\u00f6r anv\u00e4ndning av h\u00e5rdvaruacceleration f\u00f6r in-\/utdata i virtuella maskiner baserat p\u00e5 VirtIO.\n<li class=\"l\"> F\u00f6rb\u00e4ttringar relaterade till st\u00f6d av NVMe-enheter har \u00f6verf\u00f6rts fr\u00e5n Linux 5.9-k\u00e4rnan.\n<li class=\"l\"> Korrigeringar och f\u00f6rb\u00e4ttringar f\u00f6r filsystemen Btrfs, CIFS, ext4, NFS, OCFS2 och XFS har \u00f6verf\u00f6rts.\n<li class=\"l\"> Drivrutinerna har uppdaterats, inklusive lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) med st\u00f6d f\u00f6r 256-gigabitsl\u00e4ge f\u00f6r 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\"> Experimentellt st\u00f6d har lagts till <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, implementerat p\u00e5 k\u00e4rnniv\u00e5.\n<li class=\"l\">  I NFS har experimentellt st\u00f6d lagts till f\u00f6r direkt filkopiering mellan <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-dusseldorf\/\"   title=\"servrar\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">servrar<\/a>, definierad i specifikationen NFS 4.2\n<li class=\"l\"> I schemal\u00e4ggaren har en experimentell m\u00f6jlighet f\u00f6r att begr\u00e4nsa parallell exekvering av viktiga uppgifter p\u00e5 olika CPU-k\u00e4rnor implementerats, f\u00f6r att blockera l\u00e4ckkanaler relaterade till anv\u00e4ndningen av en gemensam cache i CPU.       <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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, 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