Oracle ya fito da sabuntawa na biyu na aiki don Unbreakable Enterprise Kernel R6, wanda aka sanya don amfani a cikin rarraba Linux Oracle a matsayin madadin daidaitaccen kunshin tare da kernel daga Red Hat Enterprise Linux. Ana samun kernel don gine-ginen x86_64 da ARM64 (aarch64). Ana buga tushen kernel, gami da rarrabuwar kai zuwa faci ɗaya, a cikin ma'ajiyar Oracle Git na jama'a.
Unbreakable Enterprise Kernel 6 ya dogara ne akan Linux 5.4 kernel (UEK R5 ya dogara ne akan kernel 4.14), wanda aka sabunta tare da sababbin fasali, ingantawa da gyarawa, 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 da kayan aikin Oracle. An shirya shigarwa da fakitin src tare da kernel UEK R6 don Oracle Linux 7.x da 8.x.
Babban canje-canje:
- Don ƙungiyoyi, an ƙara sabon mai kula da ƙwaƙwalwar slab, wanda sananne ne don matsar da lissafin slab daga matakin shafi na ƙwaƙwalwar ajiya zuwa matakin kernel abu, wanda ke ba da damar raba shafukan slab a cikin ƙungiyoyi daban-daban, maimakon rarraba caches daban-daban ga kowane ɗayan. ƙungiya. Hanyar da aka ba da shawarar ta ba da damar haɓaka haɓakar amfani da slab, rage girman ƙwaƙwalwar da aka yi amfani da shi don slab har zuwa 50%, rage yawan yawan ƙwaƙwalwar ajiyar kwaya da rage raguwar ƙwaƙwalwar ajiya.
- Don na'urorin Mellanox ConnectX-6 Dx, an ƙara sabon direban vpda tare da tallafi don tsarin vDPA (vHost Data Path Acceleration), wanda ke ba ku damar amfani da haɓaka kayan aiki don I / O dangane da VirtIO a cikin injunan kama-da-wane.
- An aiwatar da haɓakawa masu alaƙa da tallafi don na'urorin NVMe daga Linux kernel 5.9.
- An aika da gyarawa da haɓakawa don tsarin fayilolin Btrfs, CIFS, ext4, NFS, OCFS2 da XFS.
- Direbobin da aka sabunta, gami da lpfc 12.8.0.5 (Broadcom Emulex LightPulse Fiber Channel SCSI) tare da goyan bayan yanayin 256-gigabit don tashar SCSI Fiber Channel, mpt3sas 36.100.00.00 (LSI MPT Fusion SAS 3.0), qla.2xx. HBA).
- Ƙara goyan bayan gwaji don VPN Wireguard, wanda aka aiwatar a matakin kernel.
- NFS ta ƙara goyan bayan gwaji don ikon kwafin fayiloli kai tsaye tsakanin sabobin, wanda aka ayyana a cikin ƙayyadaddun NFS 4.2
- Mai tsara ɗawainiya yana da ikon gwaji don iyakance daidaitaccen aiwatar da ayyuka masu mahimmanci akan nau'ikan nau'ikan CPU daban-daban don toshe tashoshi masu ɗigo masu alaƙa da amfani da cache ɗin da aka raba akan CPU.
source: budenet.ru