{"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\/hu\/blog\/news\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u2","title":{"rendered":"Az Oracle kiadta az Unbreakable Enterprise Kernel R5U2 magj\u00e1t","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle v\u00e1llalat <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/linux\/announcing-the-general-availability-of-the-unbreakable-enterprise-kernel-release-5-update-2\">kiadta<\/a><\/noindex> m\u00e1sodik funkcion\u00e1lis friss\u00edt\u00e9s a kern\u00e9lhez <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48813\">Unbreakable Enterprise Kernel R5<\/a><\/noindex>, amelyet az Oracle Linux disztrib\u00faci\u00f3j\u00e1ban haszn\u00e1lnak alternat\u00edvak\u00e9nt a Red Hat Enterprise Linux alap\u00fa kernellel szemben. A kernel el\u00e9rhet\u0151 az x86_64 \u00e9s ARM64 (aarch64) architekt\u00far\u00e1khoz. A kernel forr\u00e1sk\u00f3dja, bele\u00e9rtve az egyes patch-ekre val\u00f3 bont\u00e1st, <noindex><a rel=\"nofollow\" href=\"https:\/\/oss.oracle.com\/git\/?p=linux-uek.git;a=summary\">megjelentek<\/a><\/noindex> el\u00e9rhet\u0151 az Oracle nyilv\u00e1nos Git-repository-j\u00e1ban.<\/p>\n<p>Az Unbreakable Enterprise Kernel 5 csomag az <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47513\">Linux 4.14<\/a><\/noindex> (az UEK R4 a 4.1 kernelen alapult), amely \u00faj lehet\u0151s\u00e9gekkel, optimaliz\u00e1l\u00e1sokkal \u00e9s jav\u00edt\u00e1sokkal b\u0151v\u00fclt, \u00e9s kompatibilit\u00e1s\u00e1t tesztelt\u00e9k a RHEL alatt fut\u00f3 legt\u00f6bb alkalmaz\u00e1ssal, \u00e9s kifejezetten az Oracle ipari szoftvereihez \u00e9s hardvereihez val\u00f3 m\u0171k\u00f6d\u00e9sre optimaliz\u00e1lt\u00e1k. Az UEK R5U1 kernel telep\u00edt\u0151 \u00e9s src-csomagjai <noindex><a rel=\"nofollow\" href=\"https:\/\/yum.oracle.com\/oracle-linux-7.html\">kiad\u00e1sok<\/a><\/noindex> az Oracle Linux 7.5 \u00e9s 7.6-hoz (nincs akad\u00e1lya ennek a kernelnek hasonl\u00f3 RHEL, CentOS \u00e9s Scientific Linux verzi\u00f3kban t\u00f6rt\u00e9n\u0151 haszn\u00e1lat\u00e1nak). <\/p>\n<p>Kulcsok <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/index.html\">fejleszt\u00e9sek<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> \u00c1thelyeztek patch-eket a PSI (Pressure Stall Information) alrendszer megval\u00f3s\u00edt\u00e1s\u00e1hoz, amely lehet\u0151v\u00e9 teszi a k\u00fcl\u00f6nb\u00f6z\u0151 er\u0151forr\u00e1sok (CPU, mem\u00f3ria, I\/O) v\u00e1rakoz\u00e1si idej\u00e9nek elemz\u00e9s\u00e9t adott feladatok vagy folyamatcsoportok eset\u00e9n a cgroup-ban. A PSI seg\u00edts\u00e9g\u00e9vel a felhaszn\u00e1l\u00f3i t\u00e9rbeli kezel\u0151k pontosabban fel tudj\u00e1k m\u00e9rni a rendszer terhelts\u00e9gi szintj\u00e9t \u00e9s a m\u0171k\u00f6d\u00e9s lassul\u00e1s\u00e1nak term\u00e9szet\u00e9t, \u00f6sszehasonl\u00edtva a Load Average-szel;\n<li class=\"l\"> A cgroup2 sz\u00e1m\u00e1ra megval\u00f3s\u00edtott\u00e1k a cpuset er\u0151forr\u00e1s-kontrollert, amely mechanizmust biztos\u00edt a feladatok elhelyez\u00e9s\u00e9nek korl\u00e1toz\u00e1s\u00e1ra a mem\u00f3ria \u00e9s CPU NUMA-csom\u00f3pontjai alapj\u00e1n, lehet\u0151v\u00e9 t\u00e9ve, hogy csak azok az er\u0151forr\u00e1sok ker\u00fcljenek felhaszn\u00e1l\u00e1sra, amelyeket a feladatcsoport sz\u00e1m\u00e1ra a cpuset \u00e1lkimeneti rendszer interf\u00e9szen kereszt\u00fcl hat\u00e1rozottak meg;\n<li class=\"l\"> Megval\u00f3s\u00edtott\u00e1k a ktask keretrendszert a CPU-er\u0151forr\u00e1sokat jelent\u0151sen fogyaszt\u00f3 feladatok p\u00e1rhuzamos\u00edt\u00e1s\u00e1ra a kernelben. P\u00e9ld\u00e1ul a ktask seg\u00edts\u00e9g\u00e9vel p\u00e1rhuzamos\u00edthat\u00f3 a mem\u00f3riaoldalak t\u00f6rl\u00e9s\u00e9nek vagy inode-list\u00e1k feldolgoz\u00e1s\u00e1nak m\u0171velete;\n<li class=\"l\"> A DTrace-ben <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-dtrace.html\">hozz\u00e1adva lett<\/a><\/noindex> csomagok r\u00f6gz\u00edt\u00e9se libpcap-en kereszt\u00fcl az \u00faj &#171;pcap(skb,proto)&#187; cselekv\u00e9ssel. P\u00e9ld\u00e1ul &#171;dtrace -n &#8216;ip:::send { pcap((void *)arg0, PCAP_IP); }'&#187;;\n<li class=\"l\"> Az \u00faj kernelverzi\u00f3kb\u00f3l <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-fs.html\">a<\/a><\/noindex> jav\u00edt\u00e1sok a btrfs, CIFS, ext4, OCFS2 \u00e9s XFS f\u00e1jlrendszerek megval\u00f3s\u00edt\u00e1s\u00e1ban;\n<li class=\"l\"> A 4.19-es kernelb\u0151l <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/uek5-features-virt.html\">a<\/a><\/noindex> v\u00e1ltoz\u00e1sok a KVM, Xen \u00e9s Hyper-V hypervisorok t\u00e1mogat\u00e1sa ter\u00e9n;\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E93554_01\/F16744\/html\/ol_drvupd.html\">Friss\u00edtve lettek<\/a><\/noindex> eszk\u00f6zmeghajt\u00f3k \u00e9s kiterjesztett NVMe t\u00e1rol\u00f3k t\u00e1mogat\u00e1sa (v\u00e1ltoz\u00e1sok \u00e1tvitele a 4.18 \u00e9s 4.21 k\u00f6z\u00f6tti kernelvekb\u0151l);\n<li class=\"l\"> be\u00e1ll\u00edt\u00e1sokat alkalmaztak a teljes\u00edtm\u00e9ny optimaliz\u00e1l\u00e1s\u00e1ra ARM platformokon.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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 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