Inkampani ye-Oracle isibuyekezo sesici sesibili se-kernel , ibekwe ukuze isetshenziswe ekusabalalisweni Oracle Linux njengendlela ehlukile kunephakheji ejwayelekile ye-kernel evela ku-Red Hat Enterprise LinuxI-kernel iyatholakala kuzakhiwo ze-x86_64 kanye ne-ARM64 (aarch64). Ikhodi yomthombo we-kernel, okuhlanganisa nokuhlukaniswa kwama-patches ngamanye, endaweni yokugcina ye-Oracle Git yomphakathi.
I-Unbreakable Enterprise Kernel 5 isekelwe ku-kernel (I-UEK R4 ibisekelwe ku-4.1 kernel), ebuyekezwa ngezici ezintsha, ukuthuthukiswa nokulungiswa, futhi iphinde ihlolelwe ukuhambisana nezinhlelo zokusebenza eziningi ezisebenza ku-RHEL, futhi ilungiselelwe ngokukhethekile ukusebenza nesofthiwe yemboni ye-Oracle nehadiwe. Ukufakwa namaphakheji we-src nge-UEK R5U1 kernel ngoba Oracle Linux 7.5 и 7.6 (нет никаких препятствий по использованию данного ядра в аналогичных версиях RHEL, CentOS kanye neSayensi Linux).
Ukhiye :
- Amapheshana adluliselwe ngokusetshenziswa kwesistimu engaphansi ye-PSI (Pressure Stall Information), ekuvumela ukuthi uhlaziye imininingwane mayelana nesikhathi sokulinda sokuthola izinsiza ezahlukahlukene (i-CPU, inkumbulo, i-I/O) yemisebenzi ethile noma amasethi ezinqubo kuqoqo. . Ngokusebenzisa i-PSI, izibambi zesikhala somsebenzisi zingalinganisela ngokunembe kakhudlwana izinga lomthwalo wesistimu namaphethini okwehlisa ijubane uma kuqhathaniswa Nesilinganiso Sokulayisha;
- Ku-cgroup2, isilawuli sensiza ye-cpuset sinikwe amandla, esihlinzeka ngendlela yokukhawulela ukubekwa kwemisebenzi kumanodi enkumbulo e-NUMA nama-CPU, okuvumela ukusetshenziswa kwezinsiza ezichazwe kuphela zeqembu lomsebenzi ngokusebenzisa isixhumi esibonakalayo se-cpuset mbumbulu-FS;
- Uhlaka lwe-ktask lusetshenziswe ukufanisa imisebenzi ku-kernel edla izinsiza ezibalulekile ze-CPU. Isibonelo, kusetshenziswa i-ktask, ukufana kwemisebenzi ukuze usule ububanzi bamakhasi ememori noma ukucubungula uhlu lwama-inode lungahlelwa;
- Ku-DTrace usekelo lokuthwebula iphakethe nge-libpcap kusetshenziswa isenzo esisha “pcap(skb,proto)” Ngokwesibonelo “dtrace -n 'ip:::send {pcap((void *)arg0, PCAP_IP); }'";
- Kusukela ekukhishweni okusha kwe-kernel ukulungiswa ekusetshenzisweni kwezinhlelo zefayela le-btrfs, CIFS, ext4, OCFS2 kanye ne-XFS;
- Kusuka ku-kernel 4.19 izinguquko ezihlobene nokusekelwa kwe-KVM, i-Xen ne-Hyper-V hypervisors;
- abashayeli bedivayisi nokusekelwa okunwetshiwe kwamadrayivu e-NVMe (izinguquko ezisuka ku-kernel 4.18 kuya ku-4.21 zidlulisiwe);
- Ukulungiswa kusetshenziswe ukuze kuthuthukiswe ukusebenza ezinkundleni ze-ARM.
Source: opennet.ru
