We reduced core unit boot time from hours to minutes (opens in new tab)  🥾Bootloaders  Content type: Blog

--- description: We investigated why firmware updates were causing our core servers to take four hours to reboot. By diving into UEFI data structures and iPXE automation, we eliminated unnecessary timeouts and cut boot times back down to minutes. title: How we reduced core unit boot time from hours to minutes image: --- # How we reduced core unit boot time from hours to minutes 2026-06-01 * Giovanni Pereira Zantedeschi * Nnamdi Ajah * Omar Sheik-Omar 7 min read Cloudflare's core is...

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