I have same problem on GCP VM(n1-standard-2 and g1-small). a result of dstat indicate that xz and python3 consume most of cpu time on the task. I think this is fatal thing on small core machine.
** Attachment added: "dstat result" https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1396787/+attachment/4640632/+files/unattended-upgrades-dstat.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1396787 Title: checking trust of archives eats a lot of cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1396787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs