{"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\/pl\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2","title":{"rendered":"Firma Oracle wyda\u0142a j\u0105dro Unbreakable Enterprise Kernel R5U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Oracle <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/linux\/announcing-the-general-availability-of-the-unbreakable-enterprise-kernel-release-5-update-2\">wyda\u0142a<\/a><\/noindex> drugie funkcjonalne aktualizacje j\u0105dra <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48813\">Unbreakable Enterprise Kernel R5<\/a><\/noindex>, zaprojektowane do u\u017cycia w dystrybucji Oracle Linux jako alternatywa dla standardowego pakietu j\u0105dra z Red Hat Enterprise Linux. J\u0105dro jest dost\u0119pne dla architektur x86_64 i ARM64 (aarch64). \u0179r\u00f3d\u0142a j\u0105dra, w tym podzia\u0142 na osobne \u0142atki, <noindex><a rel=\"nofollow\" href=\"https:\/\/oss.oracle.com\/git\/?p=linux-uek.git;a=summary\">opublikowane<\/a><\/noindex> s\u0105 dost\u0119pne w publicznym repozytorium Git Oracle.<\/p>\n<p>Pakiet Unbreakable Enterprise Kernel 5 oparty jest na j\u0105drze <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47513\">Linux 4.14<\/a><\/noindex> (UEK R4 oparty by\u0142 na j\u0105drze 4.1), kt\u00f3re zosta\u0142o wzbogacone o nowe funkcjonalno\u015bci, optymalizacje i poprawki, a tak\u017ce sprawdzone pod k\u0105tem kompatybilno\u015bci z wi\u0119kszo\u015bci\u0105 aplikacji dzia\u0142aj\u0105cych w RHEL, i specjalnie zoptymalizowane do pracy z oprogramowaniem i sprz\u0119tem Oracle. Pakiety instalacyjne i src z j\u0105drem UEK R5U1 <noindex><a rel=\"nofollow\" href=\"https:\/\/yum.oracle.com\/oracle-linux-7.html\">przygotowano<\/a><\/noindex> dla Oracle Linux 7.5 i 7.6 (nie ma \u017cadnych przeszk\u00f3d w u\u017cywaniu tego j\u0105dra w podobnych wersjach RHEL, CentOS i Scientific Linux). <\/p>\n<p>Kluczowe <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/index.html\">ulepszenia<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Przeniesiono \u0142atki z implementacj\u0105 subsystemu PSI (Pressure Stall Information), kt\u00f3ry pozwala na analizowanie informacji o czasie oczekiwania na uzyskanie r\u00f3\u017cnych zasob\u00f3w (CPU, pami\u0119\u0107, We\/Wy) dla okre\u015blonych zada\u0144 lub grup proces\u00f3w w cgroup. Dzi\u0119ki PSI, przetworniki w przestrzeni u\u017cytkownika mog\u0105 dok\u0142adniej oceni\u0107 poziom obci\u0105\u017cenia systemu i charakter spowolnienia pracy, w por\u00f3wnaniu do Load Average;\n<li class=\"l\"> Dla cgroup2 w\u0142\u0105czono kontroler zasob\u00f3w cpuset, kt\u00f3ry zapewnia mechanizm ograniczania rozmieszczenia zada\u0144 na w\u0119z\u0142ach pami\u0119ci i CPU NUMA, zezwalaj\u0105cy na wykorzystanie tylko zasob\u00f3w okre\u015blonych dla grupy zada\u0144 przez interfejs pseudofilesystemu cpuset;\n<li class=\"l\"> Zrealizowano framework ktask do r\u00f3wnoleglenia zada\u0144 w j\u0105drze, kt\u00f3re wymagaj\u0105 znacznych zasob\u00f3w CPU. Na przyk\u0142ad, za pomoc\u0105 ktask mo\u017cna zorganizowa\u0107 r\u00f3wnoleg\u0142e operacje na czyszczeniu zakres\u00f3w stron pami\u0119ci lub przetwarzaniu listy inode;\n<li class=\"l\"> W DTrace <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-dtrace.html\">dodano<\/a><\/noindex> wsparcie dla przechwytywania pakiet\u00f3w przez libpcap za pomoc\u0105 nowej akcji \u201epcap(skb,proto)\u201d, na przyk\u0142ad \u201edtrace -n \u2018ip:::send { pcap((void *)arg0, PCAP_IP); }\u2019\u201d;\n<li class=\"l\"> Z nowych wyda\u0144 j\u0105dra <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-fs.html\">przeniesiono<\/a><\/noindex> poprawki w implementacji system\u00f3w plik\u00f3w btrfs, CIFS, ext4, OCFS2 i XFS;\n<li class=\"l\"> Z j\u0105dra 4.19 <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-virt.html\">przeniesiono<\/a><\/noindex> zmiany zwi\u0105zane z obs\u0142ug\u0105 hipernadzorc\u00f3w KVM, Xen i Hyper-V;\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/ol_drvupd.html\">Zaktualizowano<\/a><\/noindex> sterowniki urz\u0105dze\u0144 i rozszerzono wsparcie dla dysk\u00f3w NVMe (przeniesiono zmiany z j\u0105der od 4.18 do 4.21);\n<li class=\"l\"> Zastosowano ustawienia w celu optymalizacji wydajno\u015bci na platformach ARM.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pl\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" 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