$ time systemd-resolve -p dns not-a-real-hostname not-a-real-hostname: resolve call failed: No appropriate name servers or networks for name found
real 0m0.003s user 0m0.000s sys 0m0.004s $ time systemd-resolve -p llmnr not-a-real-hostname not-a-real-hostname: resolve call failed: All attempts to contact name servers or networks failed real 0m0.850s user 0m0.000s sys 0m0.004s $ time systemd-resolve -p llmnr-ipv4 not-a-real-hostname not-a-real-hostname: resolve call failed: All attempts to contact name servers or networks failed real 0m0.820s user 0m0.000s sys 0m0.000s $ time systemd-resolve -p llmnr-ipv6 not-a-real-hostname not-a-real-hostname: resolve call failed: All attempts to contact name servers or networks failed real 0m0.750s user 0m0.000s sys 0m0.000s $ time systemd-resolve not-a-real-hostname not-a-real-hostname: resolve call failed: All attempts to contact name servers or networks failed real 0m0.712s user 0m0.004s sys 0m0.000s The dns resolution from systemd-resolve is fast; the llmnr one is not. We currently have llmnr resolution enabled by default. ...it's a feature?! What is the usecase of resolving things that do not exist? Surely we optimise for the fact that most resolutions will succeed, from performance point of view. The first result retrieved, is returned back. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1739672 Title: Regression in getaddrinfo(): calls block for much longer on Bionic (compared to Xenial) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1739672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
