Looks much better. $ time uvt-simplestreams-libvirt sync
real 6m24.381s user 1m7.168s sys 1m27.080s $ sudo apt-get install python-simplestreams/xenial-proposed ... Unpacking python-simplestreams (0.1.0~bzr426-0ubuntu1.1) over (0.1.0~bzr426-0ubuntu1) ... Setting up python-simplestreams (0.1.0~bzr426-0ubuntu1.1) ... $ time uvt-simplestreams-libvirt sync real 0m2.743s user 0m0.356s sys 0m0.032s ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1580534 Title: Signature verification is too slow To manage notifications about this bug go to: https://bugs.launchpad.net/simplestreams/+bug/1580534/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs