{"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\/cs\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r6u2","title":{"rendered":"Spole\u010dnost Oracle vydala j\u00e1dro Unbreakable Enterprise Kernel R6U2.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Oracle vydala druh\u00e9 funk\u010dn\u00ed aktualizace pro j\u00e1dro Unbreakable Enterprise Kernel R6, kter\u00e9 je ur\u010deno k pou\u017eit\u00ed v distribuci Oracle Linux jako alternativy k standardn\u00edmu bal\u00edku s j\u00e1drem z Red Hat Enterprise Linux. J\u00e1dro je dostupn\u00e9 pro architektury x86_64 a ARM64 (aarch64). Zdrojov\u00e9 k\u00f3dy j\u00e1dra, v\u010detn\u011b rozd\u011blen\u00ed na jednotliv\u00e9 patche, byly zve\u0159ejn\u011bny v ve\u0159ejn\u00e9m Git repozit\u00e1\u0159i Oracle.    <\/p>\n<p>Bal\u00ed\u010dek Unbreakable Enterprise Kernel 6 je zalo\u017een na j\u00e1d\u0159e Linux 5.4 (UEK R5 byl zalo\u017een na j\u00e1d\u0159e 4.14), kter\u00e9 bylo dopln\u011bno o nov\u00e9 mo\u017enosti, optimalizace a opravy, a tak\u00e9 bylo testov\u00e1no na kompatibilitu s v\u011bt\u0161inou aplikac\u00ed b\u011b\u017e\u00edc\u00edch na RHEL. Bylo speci\u00e1ln\u011b optimalizov\u00e1no pro pr\u00e1ci s pr\u016fmyslov\u00fdm softwarem a hardwarem Oracle. Instala\u010dn\u00ed a src bal\u00ed\u010dky pro j\u00e1dro UEK R6 jsou p\u0159ipraveny pro Oracle Linux 7.x a 8.x.       <\/p>\n<p>Hlavn\u00ed zm\u011bny:  <\/p>\n<ul>\n<li class=\"l\">  Pro cgroups byl p\u0159id\u00e1n nov\u00fd kontroler rozd\u011blen\u00ed pam\u011bti slab (slab memory controller), kter\u00fd je pozoruhodn\u00fd p\u0159enesen\u00edm sledov\u00e1n\u00ed slab z \u00farovn\u011b str\u00e1nek pam\u011bti na \u00farove\u0148 objekt\u016f j\u00e1dra, co\u017e umo\u017e\u0148uje sd\u00edlen\u00ed slab-str\u00e1nek v r\u016fzn\u00fdch cgroup, m\u00edsto p\u0159id\u011blen\u00ed samostatn\u00fdch cache slab pro ka\u017edou cgroup. Navrhovan\u00fd p\u0159\u00edstup zvy\u0161uje efektivitu vyu\u017eit\u00ed slab, \u010din\u00ed o 50% men\u0161\u00ed velikost pam\u011bti pou\u017e\u00edvan\u00e9 pro slab, v\u00fdznamn\u011b sni\u017euje celkovou spot\u0159ebu pam\u011bti j\u00e1drem a sni\u017euje fragmentaci pam\u011bti.\n<li class=\"l\"> Pro za\u0159\u00edzen\u00ed Mellanox ConnectX-6 Dx byl p\u0159id\u00e1n nov\u00fd ovlada\u010d vpda s podporou r\u00e1mce vDPA (vHost Data Path Acceleration), kter\u00fd umo\u017e\u0148uje vyu\u017e\u00edt v virtu\u00e1ln\u00edch stroj\u00edch hardwarov\u00e9 akcelerace pro vstup\/v\u00fdstup na z\u00e1klad\u011b VirtIO.\n<li class=\"l\"> Z j\u00e1dra Linux 5.9 byla p\u0159enesena vylep\u0161en\u00ed t\u00fdkaj\u00edc\u00ed se podpory za\u0159\u00edzen\u00ed NVMe.\n<li class=\"l\"> Byly p\u0159eneseny opravy a vylep\u0161en\u00ed pro souborov\u00e9 syst\u00e9my Btrfs, CIFS, ext4, NFS, OCFS2 a XFS.\n<li class=\"l\"> Byly aktualizov\u00e1ny ovlada\u010de, v\u010detn\u011b lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fibre Channel SCSI) s podporou 256-gigabitov\u00e9ho re\u017eimu pro 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\"> Byla p\u0159id\u00e1na experiment\u00e1ln\u00ed podpora <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"154\">VPN<\/a> Wireguard, implementovan\u00fd na \u00farovni j\u00e1dra.\n<li class=\"l\">  V NFS byla p\u0159id\u00e1na experiment\u00e1ln\u00ed podpora pro mo\u017enost p\u0159\u00edm\u00e9ho kop\u00edrov\u00e1n\u00ed soubor\u016f mezi <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-dusseldorf\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3441\">servery<\/a>, definovanou ve specifikaci NFS 4.2.\n<li class=\"l\"> V pl\u00e1nova\u010di \u00faloh byla implementov\u00e1na experiment\u00e1ln\u00ed mo\u017enost omezen\u00ed paraleln\u00edho vykon\u00e1v\u00e1n\u00ed d\u016fle\u017eit\u00fdch \u00faloh na r\u016fzn\u00fdch j\u00e1drech CPU, aby se zablokovaly kan\u00e1ly \u00fanik\u016f spojen\u00e9 s vyu\u017e\u00edv\u00e1n\u00edm sd\u00edlen\u00e9 cache v CPU.       <\/ul>\n<p>Zdroj: <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 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