{"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\/sv\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2","title":{"rendered":"Oracle har sl\u00e4ppt k\u00e4rnan Unbreakable Enterprise Kernel R5U2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/linux\/announcing-the-general-availability-of-the-unbreakable-enterprise-kernel-release-5-update-2\">har sl\u00e4ppt<\/a><\/noindex> andra funktionsuppdateringen f\u00f6r k\u00e4rnan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48813\">Unbreakable Enterprise Kernel R5<\/a><\/noindex>, som positioneras f\u00f6r anv\u00e4ndning i Oracle Linux-distributionen som ett alternativ till det inbyggda paketet med k\u00e4rnan fr\u00e5n Red Hat Enterprise Linux. K\u00e4rnan \u00e4r tillg\u00e4nglig f\u00f6r arkitekturerna x86_64 och ARM64 (aarch64). K\u00e4lla till k\u00e4rnan, inklusive uppdelning i separata patchar, <noindex><a rel=\"nofollow\" href=\"https:\/\/oss.oracle.com\/git\/?p=linux-uek.git;a=summary\">som offentlig dom\u00e4n (<\/a><\/noindex> finns i Oracle:s offentliga Git-repo.<\/p>\n<p>Paketet Unbreakable Enterprise Kernel 5 \u00e4r baserat p\u00e5 k\u00e4rnan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47513\">Linux 4.14<\/a><\/noindex> (UEK R4 baserades p\u00e5 k\u00e4rnan 4.1), vilket kompletteras med nya funktioner, optimeringar och korrigeringar, samt testats f\u00f6r kompatibilitet med de flesta applikationer som k\u00f6rs p\u00e5 RHEL, och \u00e4r speciellt optimerat f\u00f6r att fungera med industriell programvara och h\u00e5rdvara fr\u00e5n Oracle. Installations- och src-paket med k\u00e4rnan UEK R5U1 <noindex><a rel=\"nofollow\" href=\"https:\/\/yum.oracle.com\/oracle-linux-7.html\">\u00e4r f\u00f6rberedda<\/a><\/noindex> f\u00f6r Oracle Linux 7.5 och 7.6 (det finns inga hinder f\u00f6r att anv\u00e4nda denna k\u00e4rna i motsvarande versioner av RHEL, CentOS och Scientific Linux). <\/p>\n<p>Nyckel <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/index.html\">f\u00f6rb\u00e4ttringar<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Patcharna f\u00f6r subsystemet PSI (Pressure Stall Information) har \u00f6verf\u00f6rts, vilket m\u00f6jligg\u00f6r analys av information om v\u00e4ntetider f\u00f6r att f\u00e5 olika resurser (CPU, minne, in\/ut) f\u00f6r specifika uppgifter eller processgrupper i cgroup. Med PSI kan anv\u00e4ndarutrymmesprocessorer mer exakt bed\u00f6ma systembelastningen och typen av prestandaf\u00f6rs\u00e4mring, j\u00e4mf\u00f6rt med Load Average;\n<li class=\"l\"> F\u00f6r cgroup2 har resurshanteraren cpuset aktiverats, vilket ger en mekanism f\u00f6r att begr\u00e4nsa placeringen av uppgifter \u00f6ver NUMA-minnes- och CPU-noder, vilket till\u00e5ter anv\u00e4ndning av endast de resurser som definieras f\u00f6r uppgiftsgruppen via pseudo-FS cpuset;\n<li class=\"l\"> Ramverket ktask har implementerats f\u00f6r att parallellisera k\u00e4rnuppgifter som kr\u00e4ver betydande CPU-resurser. Till exempel kan ktask anv\u00e4ndas f\u00f6r att organisera parallellisering av operationer f\u00f6r att rensa minnessideomr\u00e5den eller bearbeta inode-listor;\n<li class=\"l\"> I DTrace <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-dtrace.html\">har lagts till<\/a><\/noindex> st\u00f6d f\u00f6r paketf\u00e5ngst via libpcap med den nya \u00e5tg\u00e4rden &#171;pcap(skb,proto)&#187; Till exempel &#171;dtrace -n &#8216;ip:::send { pcap((void *)arg0, PCAP_IP); }'&#187;;\n<li class=\"l\"> Fr\u00e5n de nya k\u00e4rnutg\u00e5vorna <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-fs.html\">har \u00f6verf\u00f6rts<\/a><\/noindex> fixar i implementeringen av filsystem btrfs, CIFS, ext4, OCFS2 och XFS;\n<li class=\"l\"> Fr\u00e5n k\u00e4rnan 4.19 <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-virt.html\">har \u00f6verf\u00f6rts<\/a><\/noindex> \u00e4ndringar relaterade till st\u00f6d f\u00f6r hypervisorer KVM, Xen och Hyper-V;\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/ol_drvupd.html\">logotyp och namn f\u00f6r webbl\u00e4saren ('Firefox Browser' ist\u00e4llet f\u00f6r 'Firefox Quantum').<\/a><\/noindex> enheter och utvidgat st\u00f6d f\u00f6r NVMe-lagringsl\u00f6sningar (\u00e4ndringar fr\u00e5n k\u00e4rnor 4.18 till 4.21 har \u00f6verf\u00f6rts);\n<li class=\"l\"> Justeringar har genomf\u00f6rts f\u00f6r att optimera prestanda p\u00e5 ARM-plattformar.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <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 5.0.4 - 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.\" \/>\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\/sv\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" 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