Oracle ya fito da Kernel Kasuwancin da ba a karyewa R5U2

Kamfanin Oracle saki sabuntawa na biyu don kernel Kernel Enterprise mara karyewa R5, an sanya shi don amfani a cikin rarraba Oracle Linux a matsayin madadin daidaitaccen kunshin tare da kernel daga Red Hat Enterprise Linux. Ana samun kernel don gine-ginen x86_64 da ARM64 (aarch64). Madogaran kwaya, gami da rarrabuwa zuwa faci guda ɗaya, buga a cikin ma'ajiyar Oracle Git na jama'a.

Unbreakable Enterprise Kernel 5 ya dogara ne akan kwaya Linux 4.14 (UEK R4 ya dogara ne akan kernel 4.1), wanda aka sabunta tare da sababbin siffofi, ingantawa da gyare-gyare, kuma an gwada shi don dacewa da yawancin aikace-aikacen da ke gudana akan RHEL, kuma an inganta shi musamman don aiki tare da software na masana'antu na Oracle da hardware. Shigarwa da fakitin src tare da kernel UEK R5U1 shirya don Oracle Linux 7.5 da 7.6 (babu cikas ga amfani da wannan kwaya a cikin nau'ikan RHEL, CentOS da Linux Scientific).

Maɓalli ingantawa:

• An canja wurin faci tare da aiwatar da tsarin tsarin PSI (Matsa lamba Stall Information), wanda ke ba ku damar bincika bayanai game da lokacin jira don samun albarkatu daban-daban (CPU, ƙwaƙwalwar ajiya, I / O) don wasu ayyuka ko saitin matakai a cikin rukuni. . Yin amfani da PSI, masu kula da sararin samaniya na masu amfani za su iya ƙididdigewa daidai matakin nauyin tsarin da tsarin raguwa idan aka kwatanta da Matsakaicin Load;
• Don cgroup2, an kunna mai sarrafa albarkatun cpuset, wanda ke ba da hanyar da za a iya iyakance sanya ayyuka a kan nodes na ƙwaƙwalwar ajiya na NUMA da CPUs, yana ba da damar amfani da albarkatun kawai da aka ayyana don ƙungiyar ɗawainiya ta hanyar cpuset pseudo-FS interface;
• An aiwatar da tsarin ktask don daidaita ayyuka a cikin kwaya wanda ke cinye mahimman albarkatun CPU. Misali, ta amfani da ktask, daidaita ayyukan aiki don share jeri na shafukan ƙwaƙwalwar ajiya ko aiwatar da jerin inodes za a iya shirya;
• A cikin DTrace kara da cewa tallafi don kama fakiti ta hanyar libpcap ta amfani da sabon aikin "pcap (skb, proto)" Misali "dtrace -n 'ip :: aika {pcap ((void *)arg0, PCAP_IP); }'";
• Daga sabbin fitattun kwaya ɗauka gyare-gyare a cikin aiwatar da tsarin fayilolin btrfs, CIFS, ext4, OCFS2 da XFS;
• Daga kernel 4.19 ɗauka canje-canjen da suka danganci goyon baya ga KVM, Xen da Hyper-V hypervisors;
• An sabunta Direbobin na'ura da faɗaɗa tallafi don tafiyar da NVMe (an canza canjin kernels 4.18 zuwa 4.21);
• An yi amfani da gyare-gyare don haɓaka aiki akan dandamali na ARM.

source: budenet.ru