{"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\/da\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"Oracle har udgivet Unbreakable Enterprise Kernel R6U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle har udgivet den anden funktionelle opdatering til Unbreakable Enterprise Kernel R6, der positioneres til brug i Oracle Linux distributionen som et alternativ til standardpakken med kernen fra Red Hat Enterprise Linux. Kernen er tilg\u00e6ngelig for arkitekturerne x86_64 og ARM64 (aarch64). Kildekoden til kernen, inklusive opdelingen i individuelle patches, er offentliggjort i Oracle's offentlige Git-repository.    <\/p>\n<p>Unbreakable Enterprise Kernel 6 pakken er baseret p\u00e5 Linux 5.4 kerne (UEK R5 var baseret p\u00e5 kerne 4.14), som er suppleret med nye funktioner, optimeringer og rettelser, samt blevet testet for kompatibilitet med de fleste applikationer, der k\u00f8rer p\u00e5 RHEL, og er is\u00e6r optimeret til at arbejde med industriel software og hardware fra Oracle. Installations- og src-pakker med UEK R6 kernen er forberedt til Oracle Linux 7.x og 8.x.       <\/p>\n<p>Vigtige \u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\">  Der er tilf\u00f8jet en ny kontrolenhed for hukommelsesfordeling til cgroups, nemlig slab (slab memory controller), som er bem\u00e6rkelsesv\u00e6rdig ved at flytte registreringen af slab fra sidesniveau til niveauet for kernenheder, hvilket muligg\u00f8r deling af slab-sider p\u00e5 tv\u00e6rs af forskellige cgroups i stedet for at allokere separate slab-cacher for hver cgroup. Den foresl\u00e5ede tilgang kan \u00f8ge effektiviteten af slab-brugen, reducere hukommelsen, der bruges til slab, med op til 50%, betydeligt reducere den samlede hukommelsesforbrug i kernen og mindske hukommelsesfragmentering.\n<li class=\"l\"> Der er tilf\u00f8jet en ny driver vpda til Mellanox ConnectX-6 Dx enheder med st\u00f8tte for vDPA (vHost Data Path Acceleration) frameworket, der muligg\u00f8r hardwareacceleration for I\/O i virtuelle maskiner baseret p\u00e5 VirtIO.\n<li class=\"l\"> Forbedringer vedr\u00f8rende underst\u00f8ttelse af NVMe enheder er blevet overf\u00f8rt fra Linux 5.9.\n<li class=\"l\"> Fejlrettelser og forbedringer til filsystemerne Btrfs, CIFS, ext4, NFS, OCFS2 og XFS er blevet overf\u00f8rt.\n<li class=\"l\"> Drivers er blevet opdateret, inklusive lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) med st\u00f8tte for 256-gigabit tilstand for 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\"> Experimental support has been added. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, implementeret p\u00e5 kerne-niveau.\n<li class=\"l\">  I NFS er der tilf\u00f8jet eksperimentel st\u00f8tte til muligheden for direkte filoverf\u00f8rsel mellem <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/dts-dusseldorf\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">servere<\/a>, defineret i specifikationen NFS 4.2\n<li class=\"l\"> Task scheduler has implemented an experimental feature to limit the parallel execution of important tasks across different CPU cores, aimed at blocking leak channels related to the use of shared cache in the CPU.       <\/ul>\n<p>Kilde: <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 5.0.3 - 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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