ByteDance makes Linux kernel reboots faster

ByteDance, the company behind TikTok is proposing few patches to the linux kernel to make kernel reboots via kexec go from 500ms down to 15 ms saving huge time in updating kernel on thousands of machines. Let us discuss this

0:00 Intro
1:30 Linux Kernel Reboot Options
2:30 how kexec works
4:00 The optimization
5:00 Going through the patch
6:00 Updating Servers at TikTok scale
9:00 Summary
https://www.phoronix.com/news/Bytedance-Faster-Kexec-Reboot
https://lore.kernel.org/lkml/20220725083904.56552-1-huangjie.albert@bytedance.com/
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Видео ByteDance makes Linux kernel reboots faster канала Hussein Nasser