Running health-check against lxd I see that there is a lot of contention on a futex and a load of context switches going on in lxd.
** Attachment added: "output from health-check when examining lxd" https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1567557/+attachment/4909747/+files/health-check-lxd-with-zfs.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1567557 Title: Performance degradation of "zfs clone" when under load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1567557/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
